Lung - nontumor
Other nonneoplastic disease
Muscular hyperplasia of lung



Topic Completed: 1 December 2011

Revised: 30 January 2019, last major update December 2011

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

PubMed search: "muscular hyperplasia" lung

Elliot Weisenberg, M.D.
Page views in 2018: 255
Page views in 2019 to date: 187
Cite this page: Weisenberg E. Muscular hyperplasia of lung. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/lungnontumormuscularhyper.html. Accessed October 15th, 2019.
Definition / general
  • May represent end stage of interstitial pneumonia
Gross description
  • Resembles cirrhotic liver, sometimes called "muscular cirrhosis"
Microscopic (histologic) description
  • Marked smooth muscle hyperplasia throughout lung parenchyma, fibrosis
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