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QUICK REFERENCE OTOLARYNGOLOGY Guide for APRNs, PAs, and Other Health Care Practitioners Kim Scott Consultants Richard F. Debo Alan S. Keyes David W. Leonard for IMAGE BANK

Transcript of IMAGE BANK QUICK REFERENCE - Springer Publishing...IMAGE BANK SScott_Image Bank_03-11-14.indd...

  • QUICKREFERENCE OTOLARYNGOLOGY

    Guide for APRNs, PAs, and Other Health Care Practitioners

    Kim ScottConsultants

    Richard F. Debo

    Alan S. Keyes

    David W. Leonard

    for

    IMAGE BANK

    Scott_Image Bank_03-11-14.indd 1Scott_Image Bank_03-11-14.indd 1 3/17/2014 3:58:02 PM3/17/2014 3:58:02 PM

  • FIGURE 1.1 Normal tympanic membrane.

    © Springer Publishing Company

    Physical ExaminationDocumentation of Normal and Abnormal Findings From the Ear, Nose, and Throat Examination

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  • HelixScaphoid

    fossaCrura ofantihelix

    Triangularfossa

    Crus of helix

    Tragus

    Externalauditory meatus

    Intertragicnotch

    Antitragus

    Lobule

    Auriculartubercle

    Cymba ofconcha

    Concha ofauricle

    Cavum ofconcha

    Antihelix

    Helix

    FIGURE 1.2 Pinna.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 3Scott_Image Bank_03-11-14.indd 3 3/17/2014 3:58:05 PM3/17/2014 3:58:05 PM

  • Auricle(pinna)

    External ear Middle ear Inner ear

    (not to scale)

    Malleus Incus

    Auditory ossicles

    Stapes

    Temporalbone

    Externalauditorymeatus

    Tympanicmembrane

    Semicircularcanals

    Oval window

    Facial nerve

    Acousticnerve (VIII)

    Vestibularnerve

    Cochlearnerve

    Vestibule

    Round window

    Eustachian tube

    FIGURE 1.3 External, middle, and inner ear.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 4Scott_Image Bank_03-11-14.indd 4 3/17/2014 3:58:05 PM3/17/2014 3:58:05 PM

  • FIGURE 1.4 Tympanic membrane.

    © Springer Publishing Company

    Pars flaccida

    Incus

    Pars tensa

    Umbo

    Cone of light

    Handle of malleus

    Short process

    of malleus

    Scott_Image Bank_03-11-14.indd 5Scott_Image Bank_03-11-14.indd 5 3/17/2014 3:58:05 PM3/17/2014 3:58:05 PM

  • FIGURE 1.5 Central tympanic membrane perforation.

    © Springer Publishing Company

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  • FIGURE 1.6 Tympanosclerosis.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 7Scott_Image Bank_03-11-14.indd 7 3/17/2014 3:58:07 PM3/17/2014 3:58:07 PM

  • Frontal bone

    Nasal bones

    Upper lateralnasal cartilages

    Septal cartilage anddorsum of the nose

    Tip

    Lower lateralnasal cartilages

    Greater alar cartilage

    Medial crus

    Septal cartilage

    Columalla

    Alla

    Alargroove

    Lateral crus

    FIGURE 1.7 External nose.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 8Scott_Image Bank_03-11-14.indd 8 3/17/2014 3:58:08 PM3/17/2014 3:58:08 PM

  • FIGURE 1.8 Paranasal sinuses.

    © Springer Publishing Company

    Cribriform plateof ethmoid

    Frontalsinus

    Ethmoid air cells

    Orbit

    Uncinate process

    Maxillary sinus

    Inferior turbinateand meatus

    Vomer

    Middle turbinateand meatus

    Superior turbinateand meatus

    Lamina papyracea(ethmoid)

    Orbital plate(frontal bone)

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  • Parotidsalivary gland

    Stensen’sduct

    Masseter muscle

    Sublingual ducts

    Sublingualsalivary gland

    Submandibular salivary gland

    Wharton’s duct

    FIGURE 1.9 Salivary glands.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 10Scott_Image Bank_03-11-14.indd 10 3/17/2014 3:58:09 PM3/17/2014 3:58:09 PM

  • FIGURE 1.10 Oral cavity and oropharynx.

    © Springer Publishing Company

    Superior lip

    Superior labialfrenulum

    Palatoglossal arch

    Palatopharyngeal arch

    Posterior wallof oropharynx

    Tongue

    Lingual frenulum

    Gingivae (gums)

    Inferior labial frenulum

    Vestibule

    Duct ofsubmandibular gland

    Palatine tonsil

    Uvula

    Soft palate

    Hard palate

    Gingivae (gums)

    Inferior lip

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  • 0Surgically removed tonsils

    3Tonsils are beyond

    the pillars

    4Tonsils extend to midline

    1Tonsils hidden within

    tonsil pillars

    2Tonsils extending to

    the pillars

    FIGURE 1.11 Tonsil size scoring.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 12Scott_Image Bank_03-11-14.indd 12 3/17/2014 3:58:09 PM3/17/2014 3:58:09 PM

  • FIGURE 1.12 Oropharynx, hypopharynx, trachea, and larynx.

    © Springer Publishing Company

    Frontal sinus

    Sella turcica

    Adenoid

    Pharyngeal opening ofauditory (eustachian) tube

    Thyroid cartilage

    Vocal fold (cord)

    Transverse arytenoid muscle

    Cricoid cartilage

    Trachea

    Esophagus

    Sphenoid sinus

    Soft palate

    Hard palate

    Incisive canal

    Uvula

    Oral cavity

    Body of tongue

    Palatine tonsil

    Lingual tonsil

    Base of tongue

    Epiglottis

    Hyoid bone

    Thyrohyoid membrane

    Nasopharynx

    Oropharynx

    Hypopharynx

    Scott_Image Bank_03-11-14.indd 13Scott_Image Bank_03-11-14.indd 13 3/17/2014 3:58:10 PM3/17/2014 3:58:10 PM

  • FIGURE 1.13 Larynx landmarks.

    © Springer Publishing Company

    Epiglottis

    Base of tongue(lingual tonsil)

    Ventricular folds(false cords)

    Vestibule

    Aryepiglottic fold

    Ventricle

    ArytenoidEsophagus

    Interarytenoidnotch

    Piriform recess

    Trachea

    Glottic aperature

    Vocal folds(true cords)

    Vallecula

    Median glosso-epiglottic fold

    Scott_Image Bank_03-11-14.indd 14Scott_Image Bank_03-11-14.indd 14 3/17/2014 3:58:10 PM3/17/2014 3:58:10 PM

  • FIGURE 1.14 Omega-shaped epiglottis and vallecula.

    © Springer Publishing Company

    OMEGA-SHAPED EPIGLOTTIS

    VALLECULA

    Scott_Image Bank_03-11-14.indd 15Scott_Image Bank_03-11-14.indd 15 3/17/2014 3:58:10 PM3/17/2014 3:58:10 PM

  • FIGURE 1.15 Cartilages of larynx.

    © Springer Publishing Company

    Epiglottis

    Hyoid bone

    Thyrohyoid membrane

    Larynx location

    Superior horn ofthyroid cartilage

    Arytenoid cartilage(behind thyroid cartilage)

    Thyroid cartilage

    Cricothyroid ligament

    Inferior horn ofthyroid cartilage

    Cricoid cartilage

    Trachea

    Anterior View

    Scott_Image Bank_03-11-14.indd 16Scott_Image Bank_03-11-14.indd 16 3/17/2014 3:58:14 PM3/17/2014 3:58:14 PM

  • FIG

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    Scott_Image Bank_03-11-14.indd 17Scott_Image Bank_03-11-14.indd 17 3/17/2014 3:58:14 PM3/17/2014 3:58:14 PM

  • Ear, Nose, and Throat Anatomy and PhysiologyNormal Findings

    Frontal bone

    Nasal bone

    Zygomatic

    arch

    Maxilla

    Mandible

    Temporal bone

    Occipital bone

    Sphenoid bone

    Parietal bone

    Styloid

    process

    Mastoid

    process

    FIGURE 2.1 Skull bone landmarks.

    © Springer Publishing Company

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  • FIGURE 2.2 Trigeminal nerve and facial nerve branches.

    © Springer Publishing Company

    Temporalbranch

    Ophthalmicbranch (V1)

    Zygomaticbranch

    Maxillarybranch (V2)

    Mandibularbranch (V3)

    Trigeminalnerve

    Facialnerve

    Buccalbranch

    Mandibularbranch

    Cervicalbranch

    Scott_Image Bank_03-11-14.indd 19Scott_Image Bank_03-11-14.indd 19 3/17/2014 3:58:14 PM3/17/2014 3:58:14 PM

  • Superior andinferior ganglia

    To pharynx

    Glossopharyngealnerve

    To stylopharyngeusmuscle

    To carotid bodyand carotid sinus

    To tongue for tasteand general sensation

    To palatine tonsil

    To parotid gland

    FIGURE 2.3 Glossopharyngeal nerve.

    © Springer Publishing Company

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  • FIGURE 2.4 Middle and inner ear.

    © Springer Publishing Company

    Dura mater

    Ampullae

    Endolymphatic sac

    Endolymphatic ductin vestibular aqueduct

    Utricle

    Saccule

    Cochlear aqueduct

    Vestibule

    Auditory(eustachian) tube

    Round (cochlear) window(closed by secondarytympanic membrane)

    Tympanic membrane

    External acoustic meatus

    Tympanic cavity

    MalleusIncus

    Stapes in oval(vestibular) window

    Lateral semicircularcanal and duct

    Common crus and duct

    Posterior semicircularcanal and duct

    Anterior (superior) semicircular canal and duct

    Scott_Image Bank_03-11-14.indd 21Scott_Image Bank_03-11-14.indd 21 3/17/2014 3:58:15 PM3/17/2014 3:58:15 PM

  • FIGURE 2.5 Maxillary sinuses.

    © Springer Publishing Company

    MMAXILLARY SINUS CAVITIES

    NASAL SEPTUM

    SINUS CT SCAN: CORONAL VIEW

    MAXILLARY SINUS CAVITIES

    NASAL SEPTUM

    SINUS CT SCAN: CORONAL VIEW

    Scott_Image Bank_03-11-14.indd 22Scott_Image Bank_03-11-14.indd 22 3/17/2014 7:14:15 PM3/17/2014 7:14:15 PM

  • Nasal septumturned superiorly

    Septal branch of facial artery

    Branches of posteriorethmoidal artery

    Septal branch ofnasopalatine artery

    Nasopalatine artery

    Sphenopalatineforamen

    Lateral nasal branchof nasopalatine artery

    Maxillary artery

    External carotid artery

    Lesser palatine arteryLateral wall of nasal cavity

    Greater palatine artery

    Anastomosis betweenseptal branch of

    nasopalatine artery andgreater palatine artery

    in incisive canal

    Lateral nasalbranches offacial artery

    Kiesselbach’sPlexus

    Branches of anteriorethmoidal artery

    FIGURE 2.6 Arteries of nasal cavity.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 22Scott_Image Bank_03-11-14.indd 22 3/17/2014 3:58:15 PM3/17/2014 3:58:15 PM

  • FIGURE 2.7 Olfactory nerve.

    © Springer Publishing Company

    Olfactory bulb

    Olfactory nerves

    Olfactory tract

    Scott_Image Bank_03-11-14.indd 23Scott_Image Bank_03-11-14.indd 23 3/17/2014 3:58:16 PM3/17/2014 3:58:16 PM

  • FIGURE 2.8 Frontal, ethmoid, and sphenoid sinuses.

    © Springer Publishing Company

    SINUS CT SCAN: SAGITTAL VIEW SINUS CT SCAN: SAGITTAL VIEW

    ETHMOID ETHMOID SINUSES SINUSES

    FRONTAL SINUSES FRONTAL SINUSES

    SPHENOID SINUSES SPHENOID SINUSES

    SINUS CT SCAN: SAGITTAL VIEW

    ETHMOID SINUSES

    FRONTAL SINUSES

    SPHENOID SINUSES

    Scott_Image Bank_03-11-14.indd 25Scott_Image Bank_03-11-14.indd 25 3/17/2014 7:14:18 PM3/17/2014 7:14:18 PM

  • Epiglottis

    Palatine tonsil

    Apex

    Base oftongue

    Body

    Medianglossoepiglottic fold

    Lateralglossoepiglottic fold

    Vallecula

    Lingual tonsil(lingual follicles)

    Foramen cecum

    Sulcus terminalis

    Vallate papillae

    Foliate papillae

    Filiform papillae

    Fungiform papilla

    Median sulcus

    FIGURE 2.9 Oral cavity, tongue, and oropharynx.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 24Scott_Image Bank_03-11-14.indd 24 3/17/2014 3:58:17 PM3/17/2014 3:58:17 PM

  • FIGURE 2.10 Mallampati Classifi cation Score.

    © Springer Publishing Company

    I II

    IVIII

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  • PIRIFORM RECESS

    TRUE VOCAL FOLDSFALSE VOCAL FOLDS

    ANTERIOR COMMISSURE

    ARYTENOIDARYEPIGLOTTIC FOLD

    FIGURE 2.11 Larynx.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 26Scott_Image Bank_03-11-14.indd 26 3/17/2014 3:58:17 PM3/17/2014 3:58:17 PM

  • FIGURE 2.12 Anomalous neural and vascular anatomy of the larynx.

    © Springer Publishing Company

    Left vagusnerve (X)

    Left commoncarotid artery

    Left inferiorlaryngeal nerve

    Left recurrentlaryngeal nerve

    Left subclavian artery

    Anomalous (retroesophageal)right subclavian artery originatingfrom left side of aortic arch

    Left recurrentlaryngeal nerve

    Anterior View

    Arch of aorta

    Right commoncarotid artery

    Anomalous (retroesophageal)right subclavian artery

    Anomalous right inferiorlaryngeal nerve (not recurrent)

    Right vagusnerve (X)

    Scott_Image Bank_03-11-14.indd 27Scott_Image Bank_03-11-14.indd 27 3/17/2014 3:58:21 PM3/17/2014 3:58:21 PM

  • A B C

    D E F

    Foodbolus

    FIGURE 2.13 Normal swallowing.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 28Scott_Image Bank_03-11-14.indd 28 3/17/2014 3:58:21 PM3/17/2014 3:58:21 PM

  • FIGURE 3.1 Cranial nerves.

    © Springer Publishing Company

    Physical Examination of theCranial Nerves for the Head and Neck

    Olfactory

    Oculomotor

    Trochlear

    Abducens

    Vestibulocochlear

    Optic

    Trigeminal

    Facial

    Glossopharyngeal

    VagusHypoglossal

    Accessory

    Scott_Image Bank_03-11-14.indd 29Scott_Image Bank_03-11-14.indd 29 3/17/2014 3:58:22 PM3/17/2014 3:58:22 PM

  • Superior palpebral conjunctiva:tarsal (Meibomian) glands

    shining through

    Superior lacrimalpapilla and puncta

    Plica semilunaris

    Lacrimal carunclein lacrimal lake

    Inferior lacrimalpapilla and puncta

    Pupil

    Cornea

    Limbus of cornea

    Bulbar conjunctivaover sclera

    Inferior fornixof conjunctiva

    Inferior palpebral conjunctiva:tarsal glands shining through

    FIGURE 3.2 Eye anatomy.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 30Scott_Image Bank_03-11-14.indd 30 3/17/2014 3:58:22 PM3/17/2014 3:58:22 PM

  • FIGURE 3.3 Trigeminal nerve branches: Sensory distribution.

    © Springer Publishing Company

    1st Branch:Ophthalmic (eye)

    2nd Branch:Maxillary (top jaw)

    3rd Branch:Mandibular (lower jaw)

    Scott_Image Bank_03-11-14.indd 31Scott_Image Bank_03-11-14.indd 31 3/17/2014 3:58:22 PM3/17/2014 3:58:22 PM

  • Internalacoustic meatus

    Brachial motor

    Visceral motor

    Special sensory

    General sensory

    Motor nucleusof facial nerve

    Posteriorauricular branch

    Stylomastoid foramen

    FIGURE 3.4 Facial nerve motor and sensory components.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 32Scott_Image Bank_03-11-14.indd 32 3/17/2014 3:58:22 PM3/17/2014 3:58:22 PM

  • FIGURE 3.5 Vagus nerve distribution.

    © Springer Publishing Company

    Vagus nerve

    Superior and inferiorvagal ganglions

    Cardiac branch

    Pulmonary plexus

    Esophageal plexus

    Stomach

    Liver

    Colon

    Small intestine

    Celiac plexus

    Kidney

    Spleen

    Heart

    Lung

    Laryngealbranches

    Pharyngeal branch

    Scott_Image Bank_03-11-14.indd 33Scott_Image Bank_03-11-14.indd 33 3/17/2014 3:58:23 PM3/17/2014 3:58:23 PM

  • Evaluation and Management of Hearing and Tinnitus

    Quiet

    Frequency in Hertz (Hz)

    Hea

    rin

    g L

    evel

    in D

    ecib

    els

    (dB

    )

    Loud

    Low pitch

    Normalhearing

    High pitch

    –100

    102030405060708090

    100110120130140

    125 250 500 1000 2000 4000 8000

    FIGURE 5.1 Audiogram.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 34Scott_Image Bank_03-11-14.indd 34 3/17/2014 3:58:23 PM3/17/2014 3:58:23 PM

  • FIGURE 5.2 Tympanogram.

    © Springer Publishing Company

    –400

    1400

    1200

    1000

    800

    600

    400

    200

    –300 –200 –100

    Type C

    +100 +2000–400

    1400

    1200

    1000

    800

    600

    400

    200

    –300 –200 –100

    Type B

    +100 +2000–400

    1400

    1200

    1000

    800

    600

    400

    200

    –300 –200 –100

    Type A

    +100 +2000

    –400

    1400

    1200

    1000

    800

    600

    400

    200

    –300 –200 –100

    Type AS

    +100 +2000 –400

    1400

    1200

    1000

    800

    600

    400

    200

    –300 –200 –100

    Type AD

    +100 +2000

    Scott_Image Bank_03-11-14.indd 35Scott_Image Bank_03-11-14.indd 35 3/17/2014 3:58:23 PM3/17/2014 3:58:23 PM

  • Frequency in Hertz (Hz)

    Hea

    rin

    g L

    evel

    in d

    ecib

    els

    (dB

    )

    –10

    0

    10

    20

    30

    40

    50

    60

    70

    80

    90

    100

    110125 250 500 1000 2000 4000 8000

    FIGURE 5.3 Conductive hearing loss (left ear).

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 36Scott_Image Bank_03-11-14.indd 36 3/17/2014 3:58:24 PM3/17/2014 3:58:24 PM

  • FIGURE 5.4 Sensorineural hearing loss (right ear).

    © Springer Publishing Company

    Frequency in Hertz (Hz)

    Sensorineural Hearing Loss AudiogramH

    eari

    ng

    Lev

    el in

    dec

    ibel

    s (d

    B)

    –10

    0

    10

    20

    30

    40

    50

    60

    70

    80

    90

    100

    110125 250 500

    Air conduction Bone conduction

    1000 2000 4000 8000

    Scott_Image Bank_03-11-14.indd 37Scott_Image Bank_03-11-14.indd 37 3/17/2014 3:58:24 PM3/17/2014 3:58:24 PM

  • Frequency in Hertz (Hz)

    Hea

    rin

    g L

    evel

    in d

    ecib

    els

    (dB

    )

    –10

    0

    10

    20

    30

    40

    50

    60

    70

    80

    90

    100

    110125 250 500

    Air conduction:

    Left ear

    Right ear

    Left ear

    Right ear

    Bone conduction:

    1000 2000 4000 8000

    FIGURE 5.5 Mixed hearing loss (bilateral ears).

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 38Scott_Image Bank_03-11-14.indd 38 3/17/2014 3:58:24 PM3/17/2014 3:58:24 PM

  • FIGURE 5.6 Otosclerosis Carhart’s notch (right ear).

    © Springer Publishing Company

    Frequency in Hertz (Hz)

    Hea

    rin

    g L

    evel

    in d

    ecib

    els

    (dB

    )–10

    0

    10

    20

    30

    40

    50

    60

    70

    80

    90

    100

    110125 250 500 1000 2000 4000 8000

    Scott_Image Bank_03-11-14.indd 39Scott_Image Bank_03-11-14.indd 39 3/17/2014 3:58:24 PM3/17/2014 3:58:24 PM

  • Evaluation and Management of Middle Ear Conditions

    FIGURE 7.1 Bulging tympanic membrane as seen with otitis media.

    © Springer Publishing Company

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  • FIGURE 7.2 Bullous myringitis.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 41Scott_Image Bank_03-11-14.indd 41 3/17/2014 3:58:26 PM3/17/2014 3:58:26 PM

  • FIGURE 7.3 Tympanic membrane perforation (large) with tympanic membrane scarring (left ear).

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 42Scott_Image Bank_03-11-14.indd 42 3/17/2014 3:58:27 PM3/17/2014 3:58:27 PM

  • FIGURE 7.4 Normal tympanostomy tube (Armstrong).

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 43Scott_Image Bank_03-11-14.indd 43 3/17/2014 3:58:28 PM3/17/2014 3:58:28 PM

  • FIGURE 7.5 Large tympanic membrane perforation.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 44Scott_Image Bank_03-11-14.indd 44 3/17/2014 3:58:29 PM3/17/2014 3:58:29 PM

  • FIGURE 8.1 Components of balance.

    © Springer Publishing Company

    Evaluation and Management of Inner Ear Conditions

    + =

    SensorimotorControl Input

    • Vestibular: Inner ear

    • Visual: Eyes

    • Proprioception:Muscles andjoint receptors

    Integration ofInput in CNS

    Brainstem(sorts info)

    MotorOutput

    Bal

    ance

    • Cerebral cortex:Functions inthinking andmemory andcontains previouslylearned information

    • Cerebellum:Functions as thecoordinationcenter andcontains automaticmovementspreviously learned

    • Vestibulo-ocular reflex: Eye position

    compensatesfor movementsof the head

    • Vestibulo-spinal reflex: Controls body posture

    • Vestibulo-collic reflex: Keeps head

    on a level planewith movement

    Components of Balance

    Scott_Image Bank_03-11-14.indd 45Scott_Image Bank_03-11-14.indd 45 3/17/2014 3:58:31 PM3/17/2014 3:58:31 PM

  • Vestibular System

    Angular Acceleration(Head Rotation)

    • Anterior/superior canal and posterior canal:

    detects rotations of thehead in a sagittal plane(as when nodding) and inthe frontal plane (as whencartwheeling)

    • Horizontal or lateral canal:corresponds to rotation of the headaround a verticle axis (i.e., the neck)as when doing a complete spin

    Linear Acceleration(One Directional Movement)

    • Saccule:senses motion in the sagittalplane (up-down movement)and gravity

    Each semicircular canal is a continuous endolymph-filled hoop. Hair cells sit in the small swelling at the base called an ampula. The function of these canals is to stabilize eye movement with head movement.

    Both the utricle and saccule use small stones (otoliths) and a viscous fluid to stimulate their hair cells to detect motion and orientation. The major role of the utricle and saccule is to keep the person vertically oriented with respect to gravity.

    • Utricle:the three semicircular canalsopen into the utricle. It sensesmotion in the horizontal plane(i.e., forward-backwardmovement, left-rightmovement, or both)

    FIGURE 8.2 Vestibular system.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 46Scott_Image Bank_03-11-14.indd 46 3/17/2014 3:58:31 PM3/17/2014 3:58:31 PM

  • Posteriorcanal

    Superiorcanal

    Utriculus

    Posterior-canalampulla

    Particles

    Particles

    Gravity

    Gravity

    Vantagepoint

    45°

    Superiorcanal

    Utriculus

    Posterior-canalampulla

    Posteriorcanal

    Gravity

    Gravity

    A

    B

    Vantagepoint

    Sagittal body

    plane

    FIGURE 8.3 Dix–Hallpike maneuver.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 47Scott_Image Bank_03-11-14.indd 47 3/17/2014 3:58:31 PM3/17/2014 3:58:31 PM

  • 3

    21

    4

    5

    FIGURE 8.4 Epley maneuver (for right-sided posterior semicircular canal benign paroxysmal positional vertigo).

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 48Scott_Image Bank_03-11-14.indd 48 3/17/2014 3:58:33 PM3/17/2014 3:58:33 PM

  • Eval

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    Scott_Image Bank_03-11-14.indd 49Scott_Image Bank_03-11-14.indd 49 3/17/2014 3:58:34 PM3/17/2014 3:58:34 PM

  • Evaluation and Management of theNose—External Conditions

    1 2 3 4 5

    Type Anatomical Defi cits

    1 Minor supratip or nasal dorsal depression, with a normal projection of lower third of the nose

    2 Depressed nasal dorsum (moderate to severe) with relatively prominent lower third

    3 Depressed nasal dorsum (moderate to severe) with loss of tip support and structural defi cits in the lower third of the nose

    4 Catastrophic (severe) nasal dorsal loss with signifi cant loss of the nasal structures in the lower and upper thirds of the nose

    FIGURE 10.1 Saddle nose deformity.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 50Scott_Image Bank_03-11-14.indd 50 3/17/2014 3:58:35 PM3/17/2014 3:58:35 PM

  • FIGURE 11.1 Nasal polyp.

    © Springer Publishing Company

    Evaluation and Management ofthe Nasal Cavity and Paranasal Sinuses

    Nasal Polyp Nasal Polyp

    LEFT MIDDLE TURBINATELEFT MIDDLE TURBINATE

    Nasal Polyp

    LEFT MIDDLE TURBINATE

    Scott_Image Bank_03-11-14.indd 51Scott_Image Bank_03-11-14.indd 51 3/17/2014 3:58:35 PM3/17/2014 3:58:35 PM

  • Antrochoanal Polyp Antrochoanal Polyp

    BEFORE EXCISIONBEFORE EXCISION

    AFTER EXCISIONAFTER EXCISION

    MiddleMiddleTurbinate Turbinate

    Antrochoanal Polyp

    BEFORE EXCISION

    AFTER EXCISION

    MiddleTurbinate

    FIGURE 11.2 Antrochoanal polyp.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 52Scott_Image Bank_03-11-14.indd 52 3/17/2014 3:58:37 PM3/17/2014 3:58:37 PM

  • FIGURE 11.3 Mucous retention cyst.

    © Springer Publishing Company

    Left Maxillary MucousLeft Maxillary MucousRetention Cyst Retention Cyst Left Maxillary MucousRetention Cyst

    Scott_Image Bank_03-11-14.indd 55Scott_Image Bank_03-11-14.indd 55 3/17/2014 7:14:31 PM3/17/2014 7:14:31 PM

  • POSTSURGICAL CHANGESPOSTSURGICAL CHANGES

    Bilateral Ethmoidectomies withBilateral Ethmoidectomies withpatency of the frontoethmoid recesses. patency of the frontoethmoid recesses.

    Postsurgical changes fromPostsurgical changes frombilateral antral window creation. bilateral antral window creation.

    Moderate dependent mucosalModerate dependent mucosalthickening within the rightthickening within the rightmaxillary sinus. maxillary sinus.

    POSTSURGICAL CHANGES

    Bilateral Ethmoidectomies withpatency of the frontoethmoid recesses.

    Postsurgical changes frombilateral antral window creation.

    Moderate dependent mucosalthickening within the rightmaxillary sinus.

    FIGURE 11.4 Postsurgical changes.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 56Scott_Image Bank_03-11-14.indd 56 3/17/2014 7:14:32 PM3/17/2014 7:14:32 PM

  • FIGURE 11.5 Inverted papilloma.

    © Springer Publishing Company

    INVERTED PAPILLOMAINVERTED PAPILLOMA

    LEFT MIDDLE TURBINATE LEFT MIDDLE TURBINATE

    INVERTED PAPILLOMA

    LEFT MIDDLE TURBINATE

    Scott_Image Bank_03-11-14.indd 53Scott_Image Bank_03-11-14.indd 53 3/17/2014 3:58:41 PM3/17/2014 3:58:41 PM

  • Nasal bone

    Perpendicularplate of ethmoid

    Septal cartilage

    Vomeronasalcartilage

    MaxillaVomer

    Palatinebone

    Pharyngealtonsil

    Sphenoidsinus

    Cribriform plateof ethmoid boneFrontal sinus

    FIGURE 11.6 Nasal septum anatomy.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 54Scott_Image Bank_03-11-14.indd 54 3/17/2014 3:58:45 PM3/17/2014 3:58:45 PM

  • FIGURE 11.7 Obstructed osteomeatal complex bilateral. Moderate left and right maxillary and ethmoid sinus mucosal thickening. Osteomeatal complex is

    occluded bilaterally.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 59Scott_Image Bank_03-11-14.indd 59 3/17/2014 7:14:34 PM3/17/2014 7:14:34 PM

  • FIGURE 11.8 Obstructed osteomeatal complex unilateral. Complete opacifi cation of the right maxillary sinus. Near-complete opacifi cation of the

    anterior ethmoid air cells. Right osteomeatal complex is opacifi ed. There is also occlusion of the right frontoethmoid recess.

    © Springer Publishing Company

    R

    Scott_Image Bank_03-11-14.indd 60Scott_Image Bank_03-11-14.indd 60 3/17/2014 7:14:34 PM3/17/2014 7:14:34 PM

  • FIGURE 11.9 Haller cell.

    © Springer Publishing Company

    Haller Cell Haller Cell Haller Cell

    Scott_Image Bank_03-11-14.indd 55Scott_Image Bank_03-11-14.indd 55 3/17/2014 3:58:45 PM3/17/2014 3:58:45 PM

  • Concha BullosaConcha BullosaConcha Bullosa

    FIGURE 11.10 Concha bullosa.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 56Scott_Image Bank_03-11-14.indd 56 3/17/2014 3:58:48 PM3/17/2014 3:58:48 PM

  • FIGURE 11.11 Agger nasi cell.

    © Springer Publishing Company

    Agger Nasi Cell Agger Nasi Cell Agger Nasi Cell

    Scott_Image Bank_03-11-14.indd 57Scott_Image Bank_03-11-14.indd 57 3/17/2014 3:58:51 PM3/17/2014 3:58:51 PM

  • RIGHT MIDDLE TURBINATE RIGHT MIDDLE TURBINATE

    RIGHT MAXILLARYRIGHT MAXILLARYOSTIA OSTIA

    RIGHT ETHMOIDRIGHT ETHMOIDOSTIAOSTIA

    RIGHT MIDDLE TURBINATE

    RIGHT MAXILLARYOSTIA

    RIGHT ETHMOIDOSTIA

    FIGURE 11.12 Sinus ostia after endoscopic sinus surgery. View of the right ethmoid and maxillary ostia.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 58Scott_Image Bank_03-11-14.indd 58 3/17/2014 3:58:54 PM3/17/2014 3:58:54 PM

  • Oroantral Fistula Oroantral Fistula Oroantral Fistula

    FIGURE 11.13 Oroantral fi stula.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 65Scott_Image Bank_03-11-14.indd 65 3/17/2014 7:14:41 PM3/17/2014 7:14:41 PM

  • R

    FIGURE 11.14 Silent sinus syndrome. Scan shows marked reduction in left maxillary sinus volume. There is inferior bowing of the orbital fl oor with

    increased left orbital volume and enophthalmos with an absence of the left maxillary ostium (compared to the right) and complete opacifi cation of the left

    maxillary sinus with occlusion of the left osteomeatal complex (OMC). These fi ndings are compatible with silent sinus syndrome. Incidental note: There is a

    mucus retention cyst versus a polyp in the right maxillary sinus. The right OMC is patent.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 66Scott_Image Bank_03-11-14.indd 66 3/17/2014 7:14:42 PM3/17/2014 7:14:42 PM

  • Evaluation and Management ofNasopharynx Conditions

    FIGURE 12.1 Adenoid hypertrophy blocking the posterior nasopharynx on nasal endoscopic examination.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 59Scott_Image Bank_03-11-14.indd 59 3/17/2014 3:58:57 PM3/17/2014 3:58:57 PM

  • FIGURE 12.2 Postop adenoidectomy scar as seen on nasopharyngoscopy examination.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 60Scott_Image Bank_03-11-14.indd 60 3/17/2014 3:58:59 PM3/17/2014 3:58:59 PM

  • Evaluation and Management ofOropharynx Disorders

    FIGURE 13.1 Aphthous ulcer.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 61Scott_Image Bank_03-11-14.indd 61 3/17/2014 3:59:00 PM3/17/2014 3:59:00 PM

  • TONSIL HYPERTROPHYTONSIL HYPERTROPHYTONSIL HYPERTROPHY

    FIGURE 13.2 Tonsil hypertrophy (on fi beroptic laryngoscopy examination).

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 62Scott_Image Bank_03-11-14.indd 62 3/17/2014 3:59:01 PM3/17/2014 3:59:01 PM

  • FIGURE 13.3 Tonsillitis.

    © Springer Publishing Company

    Infected tonsil

    Edematous uvula

    Tongue

    Infected tonsil

    Scott_Image Bank_03-11-14.indd 63Scott_Image Bank_03-11-14.indd 63 3/17/2014 3:59:05 PM3/17/2014 3:59:05 PM

  • FIGURE 15.1 Warthin’s tumor. Within left parotid gland there is a peripherally enhancing mass with smooth well-defi ned margins arising within the deep parotid lobe and extending below it, measuring 2.8 x 2.77 cm. It abuts the

    sternocleidomastoid. Pathology confi rmed Warthin’s tumor.

    © Springer Publishing Company

    Evaluation and Management ofSalivary Gland Conditions

    R

    Scott_Image Bank_03-11-14.indd 72Scott_Image Bank_03-11-14.indd 72 3/17/2014 7:14:48 PM3/17/2014 7:14:48 PM

  • FIGURE 16.1 Branchial cleft cyst. Cyst in the right neck anterior to the parotid gland. Excision of the lesion was done and it was determined to be moderately

    differentiated cystic squamous cell carcinoma.

    © Springer Publishing Company

    Evaluation and Management ofBenign Neck Conditions

    Scott_Image Bank_03-11-14.indd 73Scott_Image Bank_03-11-14.indd 73 3/17/2014 7:14:49 PM3/17/2014 7:14:49 PM

  • R

    FIGURE 16.2 Thyroglossal duct cyst: Rounded lesion within midline of the tongue measures 3.3 x 6.1 x 4.5 cm with no evidence of calcifi cation. The lesion is

    above the hyoid bone without extension beyond the borders of the tongue.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 74Scott_Image Bank_03-11-14.indd 74 3/17/2014 7:14:49 PM3/17/2014 7:14:49 PM

  • Overview ofMalignant Neck Conditions

    Dorsum ofDorsum ofTongueTongue

    SCC of the tongueSCC of the tongue

    Dorsum ofTongue

    SCC of the tongue

    FIGURE 17.1 Tongue mass.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 64Scott_Image Bank_03-11-14.indd 64 3/17/2014 3:59:09 PM3/17/2014 3:59:09 PM

  • FIGURE 17.2 Squamous cell carcinoma at the base of the tongue: Mass has irregular margins, crossing the midline and measuring 3.7 x 3.4 x 5.9 cm.

    It was determined to be a moderately to poorly differentiated squamous cell carcinoma predominantly involving the oropharynx with extension into the

    posterior tongue.

    © Springer Publishing Company

    R

    Scott_Image Bank_03-11-14.indd 76Scott_Image Bank_03-11-14.indd 76 3/17/2014 7:14:52 PM3/17/2014 7:14:52 PM

  • Nasopharyngeal MassNasopharyngeal Mass

    Nasopharyngeal MassNasopharyngeal Mass

    Nasopharyngeal MassNasopharyngeal MassNasopharyngeal MassNasopharyngeal Mass

    Nasopharyngeal Mass

    Nasopharyngeal Mass

    Nasopharyngeal MassNasopharyngeal Mass

    FIGURE 17.3 Nasopharyngeal mass.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 65Scott_Image Bank_03-11-14.indd 65 3/17/2014 3:59:13 PM3/17/2014 3:59:13 PM

  • R

    FIGURE 17.4 Squamous cell carcinoma of neck: CT with contrast shows a left neck mass interior to the sternocleidomastoid, with increased heterogeneity,

    compatible with necrosis. The mass abuts the left carotid artery. There are multiple adjacent lymph nodes as well. Pathology results indicated that the neck

    mass was a moderately differentiated squamous cell carcinoma.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 78Scott_Image Bank_03-11-14.indd 78 3/17/2014 7:14:57 PM3/17/2014 7:14:57 PM

  • R

    FIGURE 17.5 Lymphoma: Solid right parotid gland mass just inferior to the right ear along the posterior aspect of the inferior-most parotid

    gland, 20 x 13 mm. The borders are indistinct with mild surrounding fatty infi ltration. No calcifi cation is observed. Pathology indicated malignant

    lymphoma, follicular type.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 79Scott_Image Bank_03-11-14.indd 79 3/17/2014 7:14:58 PM3/17/2014 7:14:58 PM

  • Evaluation and Management ofTrachea Disorders and Conditions

    Cricothyroidotomy

    Percutaneousdilational

    tracheostomy site

    Standardtracheostomy site

    Thyroid cartilage

    Cricothyroid membrane

    Cricoid cartilage

    Subcricoid space

    First tracheal cartilage

    Second tracheal cartilage

    FIGURE 20.1 Tracheostomy tube insertion site.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 66Scott_Image Bank_03-11-14.indd 66 3/17/2014 3:59:24 PM3/17/2014 3:59:24 PM

  • Plug

    ObturatorInner cannula

    Pilot balloon

    Cuff inflation line

    Outer cannula

    Cuff

    Fenestration

    FIGURE 20.2 Tracheostomy tube.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 67Scott_Image Bank_03-11-14.indd 67 3/17/2014 3:59:24 PM3/17/2014 3:59:24 PM

  • Evaluation and Management ofLarynx and Hypopharynx Disorders

    FIGURE 22.1 Reinke’s edema.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 68Scott_Image Bank_03-11-14.indd 68 3/17/2014 3:59:25 PM3/17/2014 3:59:25 PM

  • FIGURE 22.2 Vocal cord polyp and nodule.

    © Springer Publishing Company

    Right TVCRight TVC

    Right TVCRight TVC Left TVCLeft TVC

    Left TVCLeft TVC

    VC PolypVC Polyp

    VC NoduleVC Nodule

    Right TVC

    Right TVC Left TVC

    Left TVC

    VC Polyp

    VC Nodule

    Scott_Image Bank_03-11-14.indd 69Scott_Image Bank_03-11-14.indd 69 3/17/2014 3:59:26 PM3/17/2014 3:59:26 PM

  • FIGURE 22.3 Right true vocal cord polyp.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 70Scott_Image Bank_03-11-14.indd 70 3/17/2014 3:59:33 PM3/17/2014 3:59:33 PM

  • FIGURE 22.4 Right true vocal cord polyp before and after excision.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 71Scott_Image Bank_03-11-14.indd 71 3/17/2014 3:59:35 PM3/17/2014 3:59:35 PM

  • FIGURE 22.5 Vocal cord cysts.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 72Scott_Image Bank_03-11-14.indd 72 3/17/2014 3:59:39 PM3/17/2014 3:59:39 PM

  • FIGURE 22.6 Right true vocal cord intracordal cyst.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 73Scott_Image Bank_03-11-14.indd 73 3/17/2014 3:59:40 PM3/17/2014 3:59:40 PM

  • FIGURE 22.7 Vocal cord granuloma.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 74Scott_Image Bank_03-11-14.indd 74 3/17/2014 3:59:41 PM3/17/2014 3:59:41 PM

  • FIGURE 22.8 Vocal cord papilloma.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 75Scott_Image Bank_03-11-14.indd 75 3/17/2014 3:59:43 PM3/17/2014 3:59:43 PM

  • R

    FIGURE 22.9 Squamous cell carcinoma of right true vocal cord. CT shows signifi cant soft tissue density surrounded and nearly occluded

    by the glottic portion of the airway. CT fi ndings were worrisome for malignancy. Biopsy results confi rmed moderately differentiated squamous cell carcinoma of

    the right true vocal cord.

    © Springer Publishing Company

    Scott_Image Bank_03-11-14.indd 90Scott_Image Bank_03-11-14.indd 90 3/17/2014 7:15:08 PM3/17/2014 7:15:08 PM

    Quick Reference for Otolaryngology1.Physical Examination Documentation of Normal and Abnormal Findings From the Ear, Nose, and Throat ExaminationFigure 1.1 Normal tympanic membrane.Figure 1.2 Pinna.Figure 1.3 External, middle, and inner ear. Figure 1.4 Tympanic membrane.Figure 1.5 Central tympanic membrane perforation.Figure 1.6 Tympanosclerosis.Figure 1.7 External nose.Figure 1.8 Paranasal sinuses.Figure 1.9 Salivary glands.Figure 1.10 Oral cavity and oropharynx.Figure 1.11 Tonsil size scoring.Figure 1.12 Oropharynx, hypopharynx, trachea, and larynx.Figure 1.13 Larynx landmarks.Figure 1.14 Omega-shaped epiglottis and vallecula.Figure 1.15 Cartilages of larynx.Figure 1.16 Neck: Lymphatic system and node groups.

    2. Ear, Nose, and Throat Anatomy and Physiology Normal FindingsFigure 2.1 Skull bone landmarks.Figure 2.2 Trigeminal nerve and facial nerve branches.Figure 2.3 Glossopharyngeal nerve.Figure 2.4 Middle and inner ear.Figure 2.5 Maxillary sinuses.Figure 2.6 Arteries of nasal cavity.Figure 2.7 Olfactory nerve.Figure 2.8 Frontal, ethmoid, and sphenoid sinuses.Figure 2.9 Oral cavity, tongue, and oropharynx.Figure 2.10 Mallampati Classification Score.Figure 2.11 Larynx.Figure 2.12 Anomalous neural and vascular anatomy of the larynx.Figure 2.13 Normal swallowing.

    3. Physical Examination of the Cranial Nerves for the Head and NeckFigure 3.1 Cranial nerves.Figure 3.2 Eye anatomy.Figure 3.3 Trigeminal nerve branches: Sensory distribution. Figure 3.4 Facial nerve motor and sensory components.Figure 3.5 Vagus nerve distribution.

    5. Evaluation and Management of Hearing and TinnitusFigure 5.1 Audiogram. Figure 5.2 Tympanogram.Figure 5.3 Conductive hearing loss (left ear).Figure 5.4 Sensorineural hearing loss (right ear).Figure 5.5 Mixed hearing loss (bilateral ears).Figure 5.6 Otosclerosis Carhart’s notch (right ear).

    7. Evaluation and Management of Middle Ear ConditionsFigure 7.1 Bulging tympanic membrane as seen with otitis media.Figure 7.2 Bullous myringitis.Figure 7.3 Tympanic membrane perforation (large) with tympanic membrane scarring (left ear).Figure 7.4 Normal tympanostomy tube (Armstrong).Figure 7.5 Large tympanic membrane perforation.

    8. Evaluation and Management of Inner Ear ConditionsFigure 8.1 Components of balance.Figure 8.2 Vestibular system.Figure 8.3 Dix–Hallpike maneuver. Figure 8.4 Epley maneuver (for right-sided posterior semicircular canal benign paroxysmal positional vertigo).

    9. Evaluation and Management of Olfactory DisordersFigure 9.1 Olfaction.

    10. Evaluation and Management of the Nose—External ConditionsFigure 10.1 Saddle nose deformity.

    11. Evaluation and Management of the Nasal Cavity and Paranasal SinusesFigure 11.1 Nasal polyp.Figure 11.2 Antrochoanal polyp.Figure 11.3 Mucous retention cyst.Figure 11.4 Postsurgical changes.Figure 11.5 Inverted papilloma.Figure 11.6 Nasal septum anatomy. Figure 11.7 Obstructed osteomeatal complex bilateral. Moderate left and right maxillary and ethmoid sinus mucosal thickening. Osteomeatal complex is occluded bilaterally.Figure 11.8 Obstructed osteomeatal complex unilateral. Complete opacification of the right maxillary sinus. Near-complete opacification of the anterior ethmoid air cells. Right osteomeatal complex is opacified. There is also occlusion of the right frontoethmoid recess.Figure 11.9 Haller cell.Figure 11.10 Concha bullosa.Figure 11.11 Agger nasi cell.Figure 11.12 Sinus ostia after endoscopic sinus surgery. View of the right ethmoid and maxillary ostia.Figure 11.13 Oroantral fistula.Figure 11.14 Silent sinus syndrome. Scan shows marked reduction in left maxillary sinus volume. There is inferior bowing of the orbital floor with increased left orbital volume and enophthalmos with an absence of the left maxillary ostium (compared to the right) and complete opacification of the left maxillary sinus with occlusion of the left osteomeatal complex (OMC). These findings are compatible with silent sinus syndrome. Incidental note: There is a mucus retention cyst versus a polyp in the right maxillary sinus. The right OMC is patent.

    12. Evaluation and Management of Nasopharynx ConditionsFigure 12.1 Adenoid hypertrophy blocking the posterior nasopharynx on nasal endoscopic examination.Figure 12.2 Postop adenoidectomy scar as seen on nasopharyngoscopy examination.

    13. Evaluation and Management of Oropharynx DisordersFigure 13.1 Aphthous ulcer.Figure 13.2 Tonsil hypertrophy (on fiberoptic laryngoscopy examination).Figure 13.3 Tonsillitis.

    15. Evaluation and Management of Salivary Gland ConditionsFigure 15.1 Warthin’s tumor. Within left parotid gland there is a peripherally enhancing mass with smooth well-defined margins arising within the deep parotid lobe and extending below it, measuring 2.8 x 2.77 cm. It abuts the sternocleidomastoid. Pathology confirmed Warthin’s tumor.

    16. Evaluation and Management of Benign Neck ConditionsFigure 16.1 Branchial cleft cyst. Cyst in the right neck anterior to the parotid gland. Excision of the lesion was done and it was determined to be moderately differentiated cystic squamous cell carcinoma.Figure 16.2 Thyroglossal duct cyst: Rounded lesion within midline of the tongue measures 3.3 x 6.1 x 4.5 cm with no evidence of calcification. The lesion is above the hyoid bone without extension beyond the borders of the tongue.

    17. Overview of Malignant Neck ConditionsFigure 17.1 Tongue mass.Figure 17.2 Squamous cell carcinoma at the base of the tongue: Mass has irregular margins, crossing the midline and measuring 3.7 x 3.4 x 5.9 cm. It was determined to be a moderately to poorly differentiated squamous cell carcinoma predominantly involving the oropharynx with extension into the posterior tongue.Figure 17.3 Nasopharyngeal mass.Figure 17.4 Squamous cell carcinoma of neck: CT with contrast shows a left neck mass interior to the sternocleidomastoid, with increased heterogeneity, compatible with necrosis. The mass abuts the left carotid artery. There are multiple adjacent lymph nodes as well. Pathology results indicated that the neck mass was a moderately differentiated squamous cell carcinoma.Figure 17.5 Lymphoma: Solid right parotid gland mass just inferior to the right ear along the posterior aspect of the inferior-most parotid gland, 20 x 13 mm. The borders are indistinct with mild surrounding fatty infiltration. No calcification is observed. Pathology indicated malignant lymphoma, follicular type.

    20. Evaluation and Management of Trachea Disorders and ConditionsFigure 20.1 Tracheostomy tube insertion site.Figure 20.2 Tracheostomy tube.

    22. Evaluation and Management of Larynx and Hypopharynx DisordersFigure 22.1 Reinke’s edema.Figure 22.2 Vocal cord polyp and nodule.Figure 22.3 Right true vocal cord polyp.Figure 22.4 Right true vocal cord polyp before and after excision.Figure 22.5 Vocal cord cysts.Figure 22.6 Right true vocal cord intracordal cyst.Figure 22.7 Vocal cord granuloma.Figure 22.8 Vocal cord papilloma.Figure 22.9 Squamous cell carcinoma of right true vocal cord. CT shows significant soft tissue density surrounded and nearly occluded by the glottic portion of the airway. CT findings were worrisome for malignancy. Biopsy results confirmed moderately differentiated squamous cell carcinoma of the right true vocal cord.