Poll: What's the diagnosis of this linear eruption on the leg of a 9-year-old girl?
Take your best guess and try to diagnose this 9-year-old girl's linear eruption on the back of her left thigh and leg. Stay tuned for the full case presentation and correct diagnosis!
Welcome to this Contemporary Pediatrics poll. Take a look at the following case below. After reading through the description, choose a multiple choice answer and try to guess the correct patient diagnosis.
Then, come back to ContemporaryPediatrics.com on Monday, March 24, 2025 at 12:00 PM ET or later for the full case presentation, differential diagnoses, and the correct patient diagnosis.
This case was provided by Muhammad Aamir Anees and Bernard A. Cohen, MD.
Want more puzzler and dermatology cases? Click here.
The case:
A healthy 9-year-old girl developed an asymptomatic eruption of discrete and confluent, 2 to 3 mm, hypopigmented papules in a linear pattern along the lines of Blaschko on the back of her left thigh and leg over the past 3 weeks. The lesions cleared without treatment 4 to 5 months later.
What is the diagnosis of this case, based on the information provided?
Visit ContemporaryPediatrics.com on Monday, March 24, 2025 at 12:00 PM ET or later for the full case presentation, differential diagnosis, and correct patient diagnosis.
Thank you for taking this Contemporary Pediatrics poll!
Full case: Infant presents with an asymptomatic pearl-like nodule on the heel
Infant is closely monitored at subsequent well visits and rechecked after 3 months, showed full resolution of the skin lesion over the heel area.
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