A 60-year-old female presents with eczematous itching lesions. Biopsy revealed a subepidermal cleft with Direct Immunofluorescence showing Linear C3 & IgG deposition along the basement membrane zone. What is the likely diagnosis?
APemphigus foliaceus
BPemphigus Vulgaris
CDermatitis herpetiformis
DBullous Pemphigoid
A skin biopsy shows acantholysis with intraepidermal blistering. Which immunofluorescence pattern would confirm pemphigus vulgaris?
AFishnet pattern of IgG
BLinear IgA deposits
CGranular IgG deposits
DLinear C3 deposits
A 58-year-old woman had a mitral valve replacement, and was placed on anticoagulants and prophylactic antibiotics following her surgery. Five days after her surgery, she developed a sharply demarcated, erythematous rash on her left thigh. Two days after the rash appeared, large hemorrhagic bullae began to form in the area of the rash. Which of the following medications most likely caused the patient's rash?
ACefazolin
BAspirin
CHeparin
DWarfarin
+ 7 more in the PDF
Browse all chapters