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Off-Center Fold
June 2004

Enlarging Congenital Pigmented Plaque—Diagnosis

Author Affiliations
 

MICHAEL E.MINGMD

Arch Dermatol. 2004;140(6):751. doi:10.1001/archderm.140.6.751-e

Both the macular and the infiltrative biopsy specimens showed the same pathologic features. Examination of hematoxylin-eosin–stained histologic sections demonstrated a spindle cell process involving dermis and subcutaneous tissue. The tumor was well circumscribed and composed of uniform, bland-appearing cells, some of which had a wavy nucleus. There was mucin between the spindle cells. There were no melanophages or increase in melanin or melanocytes either epidermally or dermally. The findings were characteristic of a neurofibroma.

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