Odd Skin on the Shins: Your Diagnosis?

QUESTION 1:

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A 57-year-old man presents for evaluation of an intensely itchy eruption involving both forelegs. He is ostensibly in good health and denies medication use.

QUESTION 2:

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A 41-year-old man was treated with doxycycline for non-gonococcal urethritis. After 5 days, a superficial but painful neck lesion developed.

QUESTION 3:

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QUESTION 4:

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An elderly woman who resides in a nursing home has had a pressure sore on her left heel for a few days. She has hypertension and coronary arterial disease. Vital signs are normal. Both feet feel cool and are of equal temperature. She has weak but palpable distal pulses on the good foot, but they are not palpable on the left foot. There are unilateral petechiae on the dorsum of the left foot.

QUESTION 5:

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An obese woman in her thirties with a history of fibromyalgia syndrome, depression, polycystic ovarian syndrome, and diabetes mellitus presents to the emergency department with 1 week of gradually worsening midline back pain. Her temperature is 37.4°C (99.4°F) taken orally.

ANSWER KEY:

Question 1. Answer: c

Question 2. Answer: e

Question 3. Answer: b

Question 4. Answer: c

Question 5. Answer: d