Home > Skin nonmelanocytic tumor > Eccrine angiomatous hamartoma

Skin nonmelanocytic tumor

Vascular tumors

Malformations, ectasias and hamartomas of vascular origin

Eccrine angiomatous hamartoma

Author: Nat Pernick, M.D.

Last author update: 1 August 2014

Last staff update: 16 April 2021

Copyright: 2002-2024, PathologyOutlines.com, Inc.

PubMed Search: eccrine angiomatous hamartoma

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Table of Contents

Cite this page: Pernick N. Eccrine angiomatous hamartoma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skintumornonmelanocyticeah.html. Accessed December 4th, 2024.

Definition / general

Rare benign hamartoma of eccrine glands and blood vessels that often occurs in the extremities (Ann Dermatol 2013;25:208)

Clinical features

May be present at birth or develop during childhood (Dermatology Online Journal 2009;15:10)
May be painful and be associated with hyperhidrosis, which can be helpful in diagnosis
Typically slow growing with benign behavior

Case reports

3 month old child with painful nodule on finger (Case of the Week #324)

Treatment

Simple excision is usually curative, but is reserved for painful and cosmetically disfiguring lesions (Ann Dermatol Venereol 1997;124:623, Pediatr Dermatol 2009;26:316)

Gross description

2.0 x 1.5 cm skin covered nodule; cut section showed a homogenous dark brown appearance (Case of the Week #324)

Gross images

Case #324

Contributed by Koteeswaran Govindaswamy, M.D. and Rajasekaran Koteeswaran, M.D.

56 year old man with 3 cm nodule on dorsum of foot for 40 years

Microscopic (histologic) description

Increased number of eccrine glands in the superficial dermis, with blood vessels between and around the glands and ducts
Vessels varied in size, but were predominantly small and lined by endothelial cells
Other areas of dermis showed smooth muscle bundles, fat cells and focal areas of myxoid change (Case of the Week #324)

Microscopic (histologic) images

Case #324