Lung tumor
Other carcinoma
Adenosquamous carcinoma

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

Revised: 21 December 2016, last major update September 2012

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

PubMed Search: adenosquamous carcinoma lung
Cite this page: Adenosquamous carcinoma. website. Accessed March 22nd, 2017.
Definition / General
  • Substantial amounts of squamous and glandular differentiation (at least 5-10% each component of entire tumor)
  • Don’t diagnose if one component is clearly minor
  • Uncommon; < 10% of lung carcinomas
  • 90% peripheral, often associated with scars
  • Metastases may have different histology
  • Poorer prognosis than either component alone
Micro Images

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Various images

Positive Stains
Molecular / Cytogenetics Images

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With KRas and EGFR mutations