Approach to common skin rashes Quiz: Ace Your Exams
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A 58-year-old man presents to the primary care office for a rash. He has had an itchy patch of skin on his right arm for six weeks which has not improved with over-the-counter steroid cream. He has not had a fever and has not been in contact with any new materials or outdoor plants. He is not currently being treated for any chronic medical conditions. Temperature is 37.0°C (98.6°F), pulse is 72/min, respiratory rate is 18/min, and blood pressure is 120/78 mmHg. On examination, the patient is awake and alert and in no distress. Ear, nose, and throat examinations are within normal limits. Cardiopulmonary exam reveals no abnormalities. A skin rash is seen on the right elbow as pictured below. Pinpoint bleeding is noted when a small area of the rash is removed. Which of the following additional findings would be most consistent with this patient’s underlying condition?
Image by Li X, Li J, Wang L, Niu X, Hou R, Liu R, Hao Z, Wang C, Yin G, Zhang K - Blood cancer journal (2015) was cropped from original, licensed under CC BY 4.0, reproduced from Open-i
Image by Li X, Li J, Wang L, Niu X, Hou R, Liu R, Hao Z, Wang C, Yin G, Zhang K - Blood cancer journal (2015) was cropped from original, licensed under CC BY 4.0, reproduced from Open-i
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