Skin - Nonmelanocytic tumor
Other tumors of skin
Congenital eccrine angiomatous hamartoma

Author: Nat Pernick, M.D. (see Authors page)

Revised: 19 April 2017, last major update August 2014

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PubMed Search: Congenital eccrine angiomatous hamartoma

Cite this page: Congenital eccrine angiomatous hamartoma. PathologyOutlines.com website. http://pathologyoutlines.com/topic/skintumornonmelanocyticeah.html. Accessed June 27th, 2017.
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

Images hosted on PathOut servers:

Case of the Week #324



Images contributed by Dr. Koteeswaran Govindaswamy, India and Dr. Rajasekaran Koteeswaran, Virginia (USA)

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

Images hosted on PathOut servers:


Case of the Week #324



Images contributed by Dr. Koteeswaran Govindaswamy, India and Dr. Rajasekaran Koteeswaran, Virginia (USA)

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

Differential diagnosis