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Pablo F. Peñas, MD; María Jones-Caballero, MD; Amaro García-Díez, MD
Department of Dermatology Hospital de la Princesa 28006 Madrid, Spain

Arch Dermatol. 1995;131(6):731.

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

We read with interest the article by Stone et al¹ in the June 1994 issue of the ARCHIVES. They report two cases of rudimentary meningocele (type I or primary cutaneous meningioma²) that presented at birth with a prominent tuft of hair located on the scalp. The authors opine that primary cutaneous meningiomas are developmental defects similar to meningoceles. This has been the prevalent opinion in the literature, but we have described a patient with a congenital localized hypertrichosis on the left lumbar region that showed the histologic and immunohistochemical features of a primary cutaneous meningioma (with no connection to the central nervous system), making the meningocele mechanism unlikely.³ Theaker et al⁴ have suggested that these lesions represent the continued growth of meningeal cells, displaced with cutaneous nerves, within the perineural environment that normally supports the growth and development of a related cell type. A literature search . . . [Full Text PDF of this Article]

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