“Punched-Out” Erosions

June 15, 2015

Is this pruritic lesion just unsightly, or is it indicative of a dangerous condition? Test your acumen in this quiz.

 

Question 1:

A 4-year-old girl with a medical history of asthma and atopic dermatitis presented with 4 days of pruritus and worsening erythema, swelling, and erosions on her right knee.

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The correct answer is c. Eczema herpeticum
For a discussion of the case, click here.

 

Question 2:

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

 

Question 3:

A 60-year-old woman with a past history of many non-melanoma skin cancers presented with a tender, freely mobile, firm-feeling nodule on the left wrist.

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The correct answer is a. Hypertrophic actinic keratosis
For a discussion of the case, click here.

 

Question 4:

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

 

Question 5:

A 43-year-old man has fever, rash, headaches, and body aches. He denies cough, sore throat, runny nose, vomiting, photophobia, and diarrhea. His symptoms wax and wane, and have been present for 3 days. He has taken simvastatin for many years. He recently traveled to the Caribbean.

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The correct answer is d. Dengue fever
For a discussion of the case, click here.