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American Journal of Dermatopathology:
Extraordinary Case Reports

Proliferation of Eccrine Sweat Ducts Associated With Heterotopic Neural Tissue (Nasal Glioma)

Gambini, Claudio M.D.; Rongioletti, Franco M.D.; Rebora, Alfredo M.D.

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The term “nasal glioma” refers to the presence of heterotopic neural tissue, mainly glial in nature, at or near the root of the nose. We describe a case in which all three components of neural tissue, that is, leptomeninges, glia, and neurons, were present, associated with sweat-duct hyperplasia. Proliferation of sweat ducts is a reactive process in some benign and malignant neoplasms, hamartomas, and cysts. This is the first documented case of hyperplasia of eccrine ductal epithelium induced by nasal glioma.

© 2000 Lippincott Williams & Wilkins, Inc.


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