Skin nonmelanocytic tumor

Vascular tumors

Eccrine angiomatous hamartoma



Topic Completed: 1 August 2014

Minor changes: 16 April 2021

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PubMed Search: eccrine angiomatous hamartoma

Nat Pernick, M.D.
Page views in 2021: 2,271
Page views in 2022 to date: 140
Cite this page: Pernick N. Eccrine angiomatous hamartoma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skintumornonmelanocyticeah.html. Accessed January 22nd, 2022.
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
Treatment
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




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

Differential diagnosis
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