Skin tumor - Nonmelanocytic - Papillary eccrine adenoma

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Skin - Nonmelanocytic tumors

Adnexal tumors - eccrine sweat glands

Papillary eccrine adenoma

Reviewer: Christopher Hale, M.D. (see Reviewers page)
Revised: 4 July 2012, last major update June 2012
Copyright: (c) 2001-2012, PathologyOutlines.com, Inc.

General
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● Usually distal extremities of blacks
● Recur locally, don’t metastasize

Case reports
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● 28 year old man with a solitary mildly tender nodule on right hand (Indian J Dermatol Venereol Leprol 2004;70:370)

Micro description
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● Eccrine duct-like structures, often dilated and with intraluminal papillomatosis

Micro images
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Various images

Electron macroscopy description
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● Differentiation towards secretory epithelium of sweat glands

Differential diagnosis
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● Low grade eccrine carcinoma
● Aggressive digital papillary adenoma
● Syringocystadenoma papilliferum
● Hidradenoma papilliferum
● Tubular apocrine adenoma

End of Skin - Nonmelanocytic tumors > Adnexal tumors - eccrine sweat glands > Papillary eccrine adenoma

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