Asbestos related disorders
Pleural plaques

Author: Vaidehi Avadhani, M.D. (see Authors page)

Revised: 22 March 2018, last major update December 2013

Copyright: (c) 2003-2018,, Inc.

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

Cite this page: Avadhani, V. Pleural plaques. website. Accessed October 20th, 2018.
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