Lung tumor
Neuroendocrine tumors

Topic Completed: 1 September 2012

Revised: 22 October 2019

Copyright: 2003-2019,, Inc.

PubMed Search: tumorlet lung

Deepali Jain, M.D.
Page views in 2018: 3,578
Page views in 2019 to date: 3,440
Cite this page: Jain D. Tumorlet. website. Accessed December 6th, 2019.
Definition / general
  • Nodular proliferation of small spindle cells near bronchioles
  • May be associated with bronchiectasis or other causes of scarring
  • Almost always benign
  • By definition, 5 mm or less
Positive stains
  • Same as carcinoid
Electron microscopy description
  • Same as carcinoid
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