Common Skin ProblemsCommon Skin Problems

►InfectionsInfections Athlete’s foot (tinea Athlete’s foot (tinea

pedis)pedis)► Caused by fungal Caused by fungal

infectioninfection

Boils and carbunclesBoils and carbuncles► Caused by bacterial Caused by bacterial

infectioninfection

Cold soresCold sores► Caused by virusCaused by virus

Common Skin ProblemsCommon Skin Problems

►Infections and Infections and allergiesallergies Contact dermatitisContact dermatitis

► Exposures cause Exposures cause allergic reactionallergic reaction

ImpetigoImpetigo► Caused by bacterial Caused by bacterial

infectioninfection

PsoriasisPsoriasis► Cause is unknownCause is unknown► Triggered by trauma, Triggered by trauma,

infection, stressinfection, stress

Skin CancerSkin Cancer

►Cancer—abnormal cell growthCancer—abnormal cell growth►Classified two waysClassified two ways

BenignBenign► Does not spreadDoes not spread

MalignantMalignant► Metastasized (moves) to other parts of the Metastasized (moves) to other parts of the

bodybody

►Skin cancer is the most common type Skin cancer is the most common type of cancerof cancer

Skin Cancer TypesSkin Cancer Types

►Basal cell carcinomaBasal cell carcinoma Least malignantLeast malignant Most common typeMost common type Arises from stratum Arises from stratum

basalebasale

Skin Cancer TypesSkin Cancer Types

►Squamous cell Squamous cell carcinomacarcinoma Metastasizes to Metastasizes to

lymph nodes if not lymph nodes if not removedremoved

Early removal allows Early removal allows a good chance of curea good chance of cure

Believed to be sun-Believed to be sun-inducedinduced

Arises from stratum Arises from stratum spinosum spinosum

Skin Cancer TypesSkin Cancer Types

►Malignant Malignant melanomamelanoma Most deadly of skin Most deadly of skin

cancerscancers Cancer of Cancer of

melanocytesmelanocytes Metastasizes rapidly Metastasizes rapidly

to lymph nodes and to lymph nodes and blood vesselsblood vessels