lesion

Skin Lesion – Friday Pop Quiz 01/08
Granular cell tumors
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Histologically, this lesion shows plump, polygonal cells arranged in nests and fascicles with granular cytoplasm. Which immunohistochemical stain would be positive? A. CD31 B. Synaptophysin C. Factor XIIIa D. S-100 E. CD34 To find out the correct answer and read the explanation, click here.  Brought to you by our brand partner Derm In-Review.  A product of SanovaWorks. …
Skin Lesion – Friday Pop Quiz 2/27
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What would this lesion show histologically? A. A proliferation of basaloid cells with small ducts B. A grenz zone with a lot of inflammatory cells and globi C. Well formed tuberculoid granulomas in a linear pattern D. Scattered comedo-like cysts E. Acanthosis and neutrophilic infiltrate To find out the correct answer and read the explanation, click here. Brought to you by our …
Lesion Treatment – Friday Pop Quiz 8/23
lesion treatment
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Biopsy of this lesion reveals massive papillary dermal edema, a diffuse neutrophilic infiltrate, and a lack of vasculitis. Stains for infectious organisms are negative. What is the first line treatment? A. Dapsone B. Colchicine C. Thalidomide D. Potassium iodide E. Prednisone To find out the correct answer and read the explanation, click here. Brought to you by our Brand Partn …
Histopathology – Friday Pop Quiz 6/21
histopathology
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What is the best description of the histopathology expected for the border of the lesion seen here? A. Regular elongated rete ridges with superficial small vessels B. Epidermal spongiosis with atypical lymphocytes spreading into the epidermis C. Perivascular lymphocytic infiltrate with prominent eosinophils D. Hyperplasia of the superficial epidermis E. Parakeratosis in a column …