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Correspondence |

A Maroon Plaque in an Infant

Christy Wang, BS, BM; Liqiao Ma, BS; Stephanie Savory, MD; Sandy Cope-Yokoyama, MD; Nnenna G. Agim, MD
JAMA Dermatol. 2013;149(5):629-630. doi:10.1001/jamadermatol.2013.251.
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Large congenital masses appropriately raise clinical concern, especially when they do not present with the classic appearance, thus requiring consideration of broad differential diagnostic categories prior to conclusive diagnosis. We discuss analysis and treatment of a vascular lesion most closely resembling a fibrous hamartoma of infancy (FHI).

Correspondence: Dr Agim, Children's Medical Center and University of Texas Southwestern Medical Center, Pediatric Dermatology, 2350 N Stemmons Freeway, MC F6.01, Dallas, TX 75207 (Nnenna.Agim@childrens.com).

Conflict of Interest Disclosures: None reported.

Additional Contributions: We are indebted to Paul R. Bergstresser, MD, for advice and editing.

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Figure 1. Clinical image of our patient. Physical examination revealed a 3 × 2-cm maroon, firm, well-demarcated, nonblanching plaque with a palpable subcutaneous component and overlying hypertrichosis on the right buttock.

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Figure 2. Histopathologic analysis of lesion specimen (hematoxylin-eosin, original magnification ×100). Evident are 2 predominant components, a prominent proliferation of spindle-shaped cells admixed with numerous round blood vessels lined by plump endothelial cells throughout the dermis and subcutis.




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