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Eleanor E. Sahn, MD; R. Carter Grine, MD

Arch Dermatol. 1995;131(5):614.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

REPORT OF A CASE

A 19-month-old boy with numerous nevi, including a 10-cm congenital nevus of the scalp, developed a pigmented left paraspinal plaque at the age of 10 months. There was hypertrichosis within the plaque, and the mother reported ''bulging'' when the area was stroked. A vertebral radiograph was normal. On physical examination, there was a 3x3-cm smooth, hyperpigmented plaque with hypertrichosis at approximately Level L2-4 in the left paraspinal region. (Figure 1 and Figure 2) Magnetic resonance imaging of the lumbar spine was normal.

A skin biopsy specimen was obtained from the left paraspinal plaque (Figure 3 and Figure 4).

What is your diagnosis?

DIAGNOSIS:

Congenital smooth-muscle hamartoma.

HISTOPATHOLOGIC FINDINGS

The biopsy specimen demonstrated an unusual array of smooth-muscle bundles within the reticular dermis. These smooth-muscle bundles were well-defined and extended in various directions. Some of the smooth-muscle bundles within the reticular dermis. . . . [Full Text PDF of this Article]

Author Affiliations
Medical University of South Carolina, Charleston

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