Pigmented Lesion – Friday Pop Quiz 6/11
This patient presented for a different lesion but you see this during your exam and perform a biopsy. If the pigmented lesion seen here is 0.9mm deep, what is the recommended margin for excision?
A. <0.5cm
B. 0.5cm
C. 1.0cm
D. 2.0cm
E. >2.0cm
To find out the correct answer and read the explanation, click here.
Brought to you by our brand partner Derm In-Review. A …
This patient presented for a different lesion but you see this during your exam and perform a biopsy. If the pigmented lesion seen here is 0.9mm deep, what is the recommended margin for excision?
A. <0.5cm
B. 0.5cm
C. 1.0cm
D. 2.0cm
E. >2.0cm
To find out the correct answer and read the explanation, click here.
Brought to you by our brand partner Derm In-Review. A … 
This healthy 2-year-old female presents with a 2-day history of the pruritic rash seen here. She had mild edema of the dorsal hands and feet and positive dermatographism on exam. All lesions were transient, lasting less than 24 hours in the same location. She was otherwise well and her parents denied any fever or systemic symptoms. What is the best diagnosis?
A. Serum sickness-like reaction … 
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A 65-year-old female patient presents with poorly demarcated, symmetric, very painful patches of erythema and retiform purpura, favoring the thighs and buttocks. Bullae and a dusky gray discoloration developed, as well as the appearance of ulcerations with black, leathery eschars. A skin biopsy of the affected area is suggestive of calciphylaxis. Shortly after, she dies from secondary infectio … 
This tumor commonly results from mutations in p53. Which of the following is correct?
A. It is the most common type of skin cancer in Caucasians
B. Oral variants most commonly present on the dorsal tongue
C. It is typically less aggressive in patients with CLL
D. plant patients have a 10-fold increased risk of developing this tumor
E. Tumors arising within scars/chronic ulcers h … 