Esophagus
Benign tumors
Melanocytosis


Topic Completed: 1 January 2013

Revised: 15 February 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Melanocytosis esophagus


Elliot Weisenberg, M.D.
Page views in 2018: 448
Page views in 2019 to date: 287
Cite this page: Weisenberg E. Melanocytosis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/esophagusmelanocytosis.html. Accessed July 18th, 2019.
Definition / general
Gross description
  • No abnormalities
Microscopic (histologic) description
  • Melanocytic proliferation in basal layer of esophageal squamous epithelium with increased quantity of melanin; overlying epithelium may demonstrate hyperplasia, acanthosis or hyperkeratosis; variable inflammation, melanophages, fibrosis and telangiectasia; no atypia
Microscopic (histologic) images

Images hosted on other servers:

Melanocytosis

Melanoma

Melanoma: lentiginous and pagetoid spread

Positive stains
Negative stains
Electron microscopy description
Differential diagnosis
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