A 45-Year-Old Man with Known HIV Infection Comes to the Emergency

question 33

Multiple Choice

A 45-year-old man with known HIV infection comes to the emergency department due to a rash that began on his hands 4-5 weeks ago but then spread to involve his upper arms, shoulders, and ears.  He has no fever, trauma, recent travel, or insect bites.  He lives in a shelter and has poor medical follow-up.  The patient was treated in the past for Candida esophagitis and Pneumocystis jirovecii pneumonia.  His CD4⁺ cell count 6 months ago was 50/µL.  His temperature is 36.7 C (98 F) , blood pressure is 126/80 mm Hg, and pulse is 80/min.  Photographs of the patient's skin examination are shown below.
   
Which of the following is the most likely diagnosis?

• A)Crusted scabies
• B)Eczema
• C)Psoriasis
• D)Seborrheic dermatitis
• E)Tinea corporis

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Definitions:

Underestimates Risk

The situation where the potential for loss in investments or strategies is not fully recognized or assessed.

Standard Deviation

A statistical measure of the dispersion or variability in a set of data, often used in finance to gauge the volatility of an investment.

Skewness

A measure of the asymmetry of the probability distribution of a real-valued random variable, indicating how much the distribution leans to the left or right of the mean.

Distribution

The process of making a product or service available for use or consumption by a consumer or business user.