Dermatopathology — Flashcards

Flashcard 71: The pathology of alopecia areata is most likely autoimmune and is _____-cell mediated

Answer: T

Flashcard 72: Neuroendocrine carcinoma of the skin arises from _____ cells

Answer: Merkel

Flashcard 73: What changes are seen in the basal layer in lichenoid reaction?_____

Answer: Liquefaction degeneration and colloid body formation (2)

Flashcard 74: Dermatitis herpetiformis involves the _____ layer of the dermis

Answer: Papillary

Extra: Dermatitis herpetiformis is characterized by subepidermal blisters with microabscesses at the **tips of dermal papillae**. Immunofluorescence shows granular **IgA** deposits.

Flashcard 75: Neurotization of nevus suggests _____ nature of nevus

Answer: benign (benign/malignant)

Flashcard 76: _____ giant cells are lipid-containing macrophages, having a central ring of nuclei while the peripheral cytoplasm is clear due to accumulated lipid

Answer: Touton

Flashcard 77: _____ gland hypertrophy, hyperplasia and fibrosis are characteristic histologic findings in Rhinophyma.

Answer: Sebaceous

Flashcard 78: _____ relates to process of abnormal epidermal cell keratinization.

Answer: Dyskeratosis

Flashcard 79: Characteristic peripheral palisading of tumor cells is seen in _____

Answer: BCC::Skin neoplasm

Flashcard 80: DNA analysis of person with fine scaly erythematous plaques, showing clonal arrangements of T cell receptor genes, is suggestive of _____

Answer: mycosis fungoides