Infections - Columbia University
Transcript of Infections - Columbia University
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Polypoid LesionsNasal Cavity, Paranasal Sinuses
1. Inflammatory polyp2. Benign tumors3. Malignant tumors
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Inflammatory PolypsNasal Cavity, Sinuses
A. CommonB. Allergy, infectionC. One, multipleD. ObstructionE. BleedingF. Up to 1.5cm
PapillomatosisInverted PapillomasSqamous Papillomas
1. One, multiple polyps2. Nasal cavity, sinuses3. Nasal obstruction4. Bleeding5. 25 to 50x less common
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Papillomatosis
A. Human Papilloma Virus
B. Recurrences: 50 – 70%Multiple RecurrencesInvasive Carcinoma: 5%
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1. Uncommon2. Papillomatosis3. Chronic infections4. Wood workers5. Nickel smelting6. Thorotrast
CarcinomaNasal Cavity, Sinuses
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A. Destructive lesions nasal cavity, sinuses
B. Perforation, nasal septum
C. Collapse, nasal bridge
Lethal Midline GranulomaMidline Granulomatous Disease
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Malignant lymphomasWegener’s GranulomatosisCarcinomaSyphilisTBC, Leprosy, FungusCocaine Sniffing
Lethal Midline Granuloma
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1. Hyperplastic lymphoid tissue: Nasopharynx
2. Difficulty breathing3. Middle ear infections
Adenoids
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1. Epistaxis2. Middle ear infections3. Met.: Cervical L.N.4. Cranial nerve paralysis5. Nasopharyngoscope6. Biopsy7. Radiation therapy
Carcinoma, Nasopharyx
1. Chinesea) In chinab) Exiles
2. Middle East3. HLA subgroups4. Wood smoke esp. childhood5. High titers: EB Virus
? Transforming Agent
Carcinoma of Nasopharyx
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1. Common2. Children3. Tympanic membrane ruptures4. Chronic otitis media5. Mastoiditis6. Myringotomy
Middle Ear Infections(Acute, Chronic Otitis Media)
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1. Chronic otitis media2. Cuboidal epithelium replaced
by squamous epithelium3. ? Metaplasia
? Ingrowth4. Keratin: Mass5. Destruction of ossicles
Cholesteatoma
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1. Nasopharynx2. Tonsils3. Lingual tonsils4. Uvula, pharynx5. Hypopharyx
Waldeyer’s RingLymphoid Tissue
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Tumors: pharynx
1. Dysphagia2. Ulcers, masses3. Unilateral tonsillar swelling4. Squamous cell carcinoma
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Squamous Cell CarcinomaLarynx
1. 10,000 new cases / year2. Heavy smoking3. Vocal apparatus:
hoarseness4. Supraglottic area: large;
dysphagia
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“Minor” Salivary GlandsSerous and Mucous GlandsNasal CavityParanasal SinusesNasopharynxOral CavityPharynxEsophagusLarynxTracheaBronchi
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Benign and Malignant Tumors by Site
50%50%Lacrimal45%55%“Minor” Glands
100%--Sublingual45%55%Submandibular20%80%Parotid
MalignantBenignSite
Benign Mixed Tumors
Most commonSlowly growing, painlessMiddle agedFemales: 60%