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Arch Dermatol. 2004;140:1003-1008.

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

Diagnosis: Eccrine spiradenoma.

MICROSCOPIC FINDINGS AND CLINICAL COURSE

The biopsy specimen revealed a sharply demarcated, deeply basophilic-staining tumor mass in the upper dermis. The nodule had a surrounding fibrous capsule and was not connected to the overlying epidermis. The tumor was arranged in cords and sheets with a glandlike formation and was noted to be composed of 2 types of cells: (1) small, dark basaloid cells with compact nuclei at the periphery, and (2) larger cells with pale nuclei at the center. The findings were most consistent with a diagnosis of eccrine spiradenoma.

A crescentic excisional biopsy of the proximal nail fold was performed. The patient has had no recurrence of the lesion, and good nail regrowth was evident 8 months after excision.

DISCUSSION

Eccrine spiradenoma most frequently presents as a solitary, 1- to 2-cm, soft to firm intradermal nodule on the trunk and head, rarely occurring on the hand or extremities.^1-2 Most cases develop in the second to . . . [Full Text of this Article]

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Papular Lesion of the Proximal Nail Fold—Quiz Case
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Arch Dermatol. 2004;140(8):1003-1008.
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