Pleura & peritoneum

Pleura nonneoplastic conditions

Pleural plaques



Last author update: 1 December 2013
Last staff update: 29 October 2020

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PubMed Search: Pleural plaques[TI] full text[sb]

Vaidehi Avadhani, M.D.
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Cite this page: Avadhani V. Pleural plaques. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/pleurapleuralplaques.html. Accessed July 6th, 2022.
Definition / general
  • Due to chronic injury of pleural surface
  • Do not contain asbestos bodies but rare if no asbestos history (may be from other pneumoconiosis)
  • May induce pleural effusions but usually no symptoms
Gross description
  • On parietal pleura near vertebral column, lower lung, dome of diaphragm
Gross images

Images hosted on other servers:

Fibrotic plaque on diaphragm

Microscopic (histologic) description
  • Well circumscribed plaques of dense, hyalinized, acellular collagen, may have with basketweave morphology, often calcified
Microscopic (histologic) images

Images hosted on other servers:

Dense layers of collagen

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