Merkel Cell Carcinoma (MCC)

DERMATOLOGY

MCC is the most lethal of all skin cancers including melanoma; mortality is 33% Most lesions presumed benign at time of dx (can resemble BCCs, asx, nontender, red or pink violaceous papules & nodules) Acronym: AEIOU (Asx; Expanding rapidly, Immunosuppressed, Older...

Squamous Cell Carcinoma

DERMATOLOGY

Epidemiology: > 700,000 new cases/ y in US; 0.3– 16% risk of metastic disease; incidence est 32– 270/ 100,000 annually (no nat’l cancer registry); most pts > 50 y Morphology: Eroded, friable, hyperkeratotic papules, plaques, nodules; pain can = perineural...

Basal Cell Carcinoma

Clinic A/P, adults, DERMATOLOGY

Epidemiology: Most common skin cancer; rarely metastasize but locally invasive & destructive; recurrence risk is 30% Morphology: Pearly translucent papule or plaque w/ telangiectasias, often eroded; can have globules of pigment; rolled border Superficial variant:...

Actinic Keratoses (AK)

Clinic A/P, adults, DERMATOLOGY

Definition Skin-colored, pink, or erythematous macule with gritty scale (no papule). -Easier to feel than to see; -AK is a premalignant lesion with the potential to progress to SCC. -Cutaneous horns (15% with SCC at the base) -Common on the head, neck, forearms...

Acne Vulgaris

Clinic A/P, adults, Clinic A/P, Peds, DERMATOLOGY

Diagnosis H&P consistent with acne vulgaris. Acne severity: ______ DDx of Acne:_____ Inflammatory lesions vs. noninflammatory lesions. Treatment -Treatment per acne severity based on acne algorithm from the Global Alliance to Improve Acne. -Pharmacologic and...