“Rough” Lesion

March 18, 2015

This lesion began to develop multiple colors. Is there cause for concern? Test your knowledge on 5 topics in this quiz.

 

Question 1:

A 59-year-old man became concerned when a long-standing pigmented lesion on the shoulder began to both expand and develop multiple colors.

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The correct answer is b. Seborrheic keratosis
For a discussion of the case, click here.

 

Question 2:

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The correct answer is a. Sibutramine
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Question 3:

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The correct answer is b. 3 months
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Question 4:

An otherwise healthy, 42-year-old man who took no medications had a pruritic rash characterized by pink, scaly plaques with a few crusted erosions on his elbows, knees, lower back, and buttocks. Laboratory examination revealed elevated levels of transglutaminase and anti-gliadin antibodies. Dermatitis herpetiformis was diagnosed.

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The correct answer is a. True
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Question 5:

Calciphylaxis was diagnosed in an 88-year-old man with this non-healing leg ulcer.

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The correct answer is d. Elevated levels of parathyroid hormone, phosphorus, calcium, and the calcium-phosphorus product are always present. For a discussion of the case, click here.