Lung tumor
Other carcinoma
Mucoepidermoid carcinoma

Author: Deepali Jain, M.D. (see Authors page)

Revised: 27 December 2016, last major update September 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed Search: mucoepidermoid carcinoma lung
Cite this page: Mucoepidermoid carcinoma. PathologyOutlines.com website. http://pathologyoutlines.com/topic/lungtumormucoepidermoid.html. Accessed January 24th, 2017.
Definition / General
  • Low grade or high grade salivary gland type tumor with mucus secreting cells, squamous cells, intermediate type cells
  • May arise from submucous bronchial glands, usually in large bronchi
  • May occur in children
  • Usually considered to have low malignant potential with recurrence but only rarely aggressive
  • Excellent prognosis after surgical removal
Case Reports
Gross Description
  • Polypoid growth in major bronchi
Micro Description
  • Low grade or high grade
  • Mucus secreting cells, squamous cells, intermediate type cells
  • May have dense lymphoplasmacytic infiltrate (Am J Surg Pathol 2005;29:407)
Micro Images

Images hosted on other servers:

Various images


Series of images - high grade tumor


Series of images - low grade tumor

Positive Stains
  • Cyclin D1 overexpression in 20%
Differential Diagnosis
  • Adenosquamous carcinoma: usually peripheral in lung, not centered on bronchi; large tumors, no intermediate cells