A 10-month-old otherwise healthy female infant presented with a 4-mm yellow-white exophytic papule on the anterior midline of the neck at the level of the suprasternal notch (Figure). The parents reported that the lesion had been present since birth, had not grown noticeably in size or changed in appearance, and was asymptomatic. There was no family history of similar lesions. Ultrasonography was performed and showed a 0.4-cm thin-walled cystic structure at the anterior midline of the neck, which appeared to originate from the skin. No underlying sinus tract was identified. A shave biopsy was performed, and histopathologic examination revealed an epidermal inclusion cyst.
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Rushin C, Nassim JS, Kane KS. Midline Anterior Neck Inclusion Cyst. JAMA Dermatol. Published online May 13, 2020. doi:10.1001/jamadermatol.2020.1089
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