Derm Flashcards
1
Q
DDX for palisaded granulomatous dermatitis
A
- granuloma annulare
- necrobiosis lipoidica diabeticorum
- rheumatoid nodule
- epithelioid sarcoma
2
Q
Calciphylaxis
A
Renal failure, purpuric patches, calcification of vessels in subcutis with associated fat necrosis
3
Q
Psoriasiform dermatitis
A
- parakeratosis
- elongation of rete ridges
- thinning of dermal papillae (why they bleed clinically-Auspitz sign)
- often PMNs (Munro’s microabscesses)
4
Q
Infantile myofibroma
A
Nodule on lower extremity of baby, myxoid nodules with HPC-like areas