Pathology - Epithelial Tumors Flashcards
What is the MC cutaneous malignancy
Basal cell carcinoma
What is the MC cancer d/t immunosuppressive therapy and creates keratin pearls
SCC
Def: benign, raised, discolored papules on the extremities or face that form a coin-like, waxy, “stuck-on” appearance in elderly pts
Seborrheic Keratosis
What are the MC places for Acanthosis Nigricans to appear
Axilla Groin
What is the Tx for Basal cell carcinoma
Surgical excision (mets rare)
What is the well-differentiated SCC that develops and regresses rapidly
Karatoacanthoma
What is the MC sight for Basal cell carcinoma to appear
Upper lip
What is the MC sight for SCC to appear
Lower lip
What do the lesions look like in Karatoacanthoma
Cup-shaped tumor filled w/ keratin debris
Sx’s: ulcerated, nodular mass typically on the face
SCC
What is the Tx for SCC
Excision (mets rare)
What is the precursor lesion to SCC that creates hyperkeratotic, scaly plaques on the face, neck, and back
Actinic Keratosis
Def: epidermal hyperplasia w/ darkening of the skin (velvet-like skin)
Acanthosis Nigricans
Sx’s: elevated nodule w/ central, ulcerated crater surrounded by dilated (telangiectatic) vessels creating a “pink, pearl-like” papule
Basal cell carcinoma
Acanthosis Nigricans is assc w/…
Insulin resistance Malignancy (Gastric)