Lung tumor
Neuroendocrine tumors
Tumorlet


Topic Completed: 1 September 2012

Revised: 24 December 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: tumorlet lung

Deepali Jain, M.D.
Page views in 2019: 3,733
Page views in 2020 to date: 1,000
Cite this page: Jain D. Tumorlet. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/lungtumortumorlet.html. Accessed April 3rd, 2020.
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
Microscopic (histologic) images

Contributed by Andréanne Gagné, M.D., M.Sc. and Philippe Joubert, M.D., Ph.D.
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Tumorlet

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Tumorlet

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Salt and pepper chromatin

Positive stains
  • Same as carcinoid
Electron microscopy description
  • Same as carcinoid
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