Home   Chapter Home   Jobs   Conferences   Fellowships   Books



Advertisement

Skin - Nonmelanocytic tumors

Cysts

Apocrine hidrocystoma


Reviewer: Christopher Hale, M.D. (see Reviewers page)
Revised: 3 July 2012, last major update June 2012
Copyright: (c) 2001-2012, PathologyOutlines.com, Inc.

General
=========================================================================

● Usually face, solitary or multiple, 1-3 mm, but giant variant (2 cm) also reported

Case reports
=========================================================================

● 58 year old man with periorbital lesions (Dermatol Online J 2010;16:16)

Clinical images
=========================================================================



Giant, multi-loculated hidrocystomas

Gross description
=========================================================================

● Soft, skin-colored, translucent papules

Micro description
=========================================================================

● Lined by two rows of sweat duct-like epithelium which may have apocrine features (decapitation secretion)

Micro images
=========================================================================


       
Contributed by Angel Fernandez-Flores, MD, PhD, Hospital El Bierzo and Clinica Ponferrada, Spain


Giant, multi-loculated hidrocystoma


Figure a: HER2 staining

Positive stains
=========================================================================

● HER2 (Mod Pathol 2004;1:28)

Differential diagnosis
=========================================================================

● Eccrine hidrocystoma

End of Skin - Nonmelanocytic tumors > Cysts > Apocrine hidrocystoma


This information is intended for physicians and related personnel, who understand that medical information is often imperfect, and must be interpreted in the context of a patient's clinical data using reasonable medical judgment. This website should not be used as a substitute for the advice of a licensed physician.

All information on this website is protected by copyright of PathologyOutlines.com, Inc. Information from third parties may also be protected by copyright. Please contact us at copyrightPathOut@gmail.com with any questions (click here for other contact information).