Thyroid gland
Other carcinoma
Mucoepidermoid carcinoma

Author: Shahidul Islam, M.D., Ph.D. (see Authors page)

Revised: 16 February 2017, last major update March 2009

Copyright: (c) 2003-2017,, Inc.

PubMed Search: mucoepidermoid carcinoma thyroid

Cite this page: Mucoepidermoid carcinoma. website. Accessed April 24th, 2017.
Definition / General
  • Affects all ages, female predominance
Prognostic Factors
  • Good prognosis; may metastasize to regional lymph nodes, but only rare distant metastases or death
Case Reports
Gross Description
  • Partially circumscribed, soft
Micro Description
  • Low grade tumor with squamoid change and mucin production
  • Resembles salivary gland tumors with mucin containing cysts and solid squamoid epithelial nests
  • Also intracytoplasmic mucin; may have associated foci of papillary carcinoma, eosinophils, ciliated epithelium, lymphocytic thyroiditis
Micro Images

Images hosted on PathOut server:

AFIP Images:

Solid nest of squamous cells with mucin producing foci

Microcystic pattern of squamous and mucin producing cells

Images hosted on other servers:

Various images

Part solid, glandular and papillary

H&E and mucicarmine

With tall cell variant of papillary carcinoma

Positive Stains
Negative Stains
Molecular / Cytogenetics Description
Differential Diagnosis