Clinical Quiz

Clinical Challenge: Triangular Erythematous Patch

A 73-year-old man presents to the dermatology clinic for evaluation of hand dermatitis. During the physical examination, scattered keratoses are noted on his face, and a triangular erythematous patch is identified on his upper chest. The patient was unaware of the duration of the patch and denies trauma to the area, itching, and/or bleeding. No…

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Clinical Challenge: Bilobed Genital Nodule

A 69-year-old man with a history of stasis dermatitis and actinic keratoses requests removal of a lesion on his penis. He states the growth has been present for at least 20 years and has significantly increased in size over the past year. He last engaged in sexual activity more than 7 years ago. Physical examination reveals a bilobed, flesh-colored nodule.

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Clinical Challenge: Pigmented Lesion on the Nasolabial Fold

A 52-year-old man presents for evaluation of moles. His paternal family history is positive for basal cell carcinoma and negative for melanoma. Scattered nevi are noted on his trunk and extremities but are not clinically suspicious when viewed under a dermatoscope. Of concern is a pigmented lesion situated within his right nasolabial fold.

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Clinical Challenge: Asymptomatic Rash on the Trunk

A 65-year-old woman presents for evaluation of an asymptomatic rash on her chest, abdomen, and middle back. The eruption is of approximately 2 months’ duration and seems to have worsened following an intramuscular injection of triamcinolone. What’s your diagnosis?

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Clinical Challenge: Itchy Eruption on the Upper Back and Arm

A 50-year-old woman presents with acute onset of an itchy eruption on her upper back and arm following a weekend spent hiking and relaxing at a day spa. As a child she experienced numerous bouts of poison ivy but has had no similar cases for most of her adult life. The patient has been taking lovastatin for the past 18 months.

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