Diagnose this 21-month-old with history of “skin tags” on her gluteal cleft

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Can you diagnose this patient? Take our poll and find out! Then check back for the full case, differential diagnosis, 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 Friday, April 4, 2025 at 12:00 PM ET or later for the full case presentation, differential diagnoses, and the correct patient diagnosis. The full case will be presented as a separate article on our home page.

This case was presented by Rylee Moody, BS; Mary Gibney, MD;and Elaine Siegfried, MD.

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Figure 1A - Present case

Image credit: Author provided

Figure 1A - Present case

Image credit: Author provided

The case:

A 21-month-old girl presented with a history of "skin tags" involving her gluteal cleft,noted at birth (Figure 1A). She was otherwise healthy and developing normally. Notably, her older sister had a confirmed history of molluscum contagiosum (MC).

Skin exam featured three prominent2-4 mm soft, pedunculated papules within the superior aspect of hergluteal cleft, as well as sparsely scattered 1-2 mmpapulescharacteristic of MC on the gluteal prominences and in mirror distribution on the perianal mucosa.

What is the diagnosis of this case, based on the information provided?

Condyloma
Acrochordon
Molluscum contagiosum
Midline developmental anomaly

Visit ContemporaryPediatrics.com on Friday, April 4, 2025 at 12:00 PM ET or later for the full case presentation, differential diagnoses, and the correct patient diagnosis.

The full case will be presented as a separate article on our home page.

Thank you for taking this Contemporary Pediatrics poll!

Want more puzzler case studies? Click here.

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