Skin nonmelanocytic tumor
Adnexal tumors - eccrine sweat glands
Primary cutaneous mucinous carcinoma


Topic Completed: 1 June 2012

Revised: 28 March 2019

Copyright: 2002-2019, PathologyOutlines.com, Inc.

PubMed Search: Mucinous carcinoma [title] skin

Christopher S. Hale, M.D.
Page views in 2018: 2,090
Page views in 2019 to date: 1,690
Cite this page: Hale CS. Primary cutaneous mucinous carcinoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/skintumornonmelanocyticmucinouscarcinoma.html. Accessed October 21st, 2019.
Definition / general
  • Also called adenocystic carcinoma
  • Scalp of elderly patients
  • Caucasian > Black > Asian
Case reports
Clinical images

Contributed by Mark R. Wick, M.D.
Gross description
  • Slow growing, solitary, asymptomatic, flesh colored nodule with a slightly translucent surface
Microscopic (histologic) description
  • Resembles mammary colloid carcinoma with lakes of mucin containing small tumor cell clusters
  • May also have an infiltrating ductal pattern
Microscopic (histologic) images

Case of the Week #413

H&E images



CK5/6

CK7

CK20

ER

PR

GATA3



Contributed by Mark R. Wick, M.D.



Images hosted on other servers:

Gluteal mass

Positive stains
  • Primary skin tumors: 100% CK7+, 40% showed rare p63+ cells, 20% had focal CK5/6+
Differential diagnosis
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