Differential diagnosis in the pathology of asbestosis

Our plain-English summary of Differential diagnosis in the pathology of asbestosis, by J. Gough (Annals of the New York Academy of Sciences, 1965).

The study

• Author: J. Gough
• Journal: Annals of the New York Academy of Sciences
• Published: 1965;132(1):368-72
• Cited by: 22 articles, as counted by NIH iCite
• Read it: PubMed · Publisher
• In J-M's library: Johns-Manville's company medical library held a copy (J-M no. 002501).

Abstract

Asbestosis occurs in two anatomical forms - diffuse and solid fibrosis. The diffuse form leads to honeycomb (cystic) lung. In the diagnosis, distinction is made from other forms of honeycomb lung. Differentiation of asbestosis from fibrosis due to other silicates is not difficult. Hemosiderosis of elastic tissue (elastosis bodies) may mimic asbestos bodies.

PubMed has no abstract for this study. This is the authors' abstract, copied from the article.

In plain English

This article, by an author at the Welsh National School of Medicine in Cardiff, Wales, described how to tell asbestosis apart from other lung conditions under the microscope. It drew on cases of people who had made or used asbestos products in Britain. Asbestos miners were excluded, and the number of cases was not given. The author stated that asbestosis is diagnosed by finding asbestos bodies and asbestos fibers together with scarring (fibrosis), because the fibrosis alone resembles that of several other diseases. Asbestosis was described in two forms: diffuse scarring that produces a 'honeycomb' lung, and solid fibrous masses. In one case the author cited, a man's right upper lobe mass was diagnosed as carcinoma (cancer) and the lung was removed. It proved to be dense fibrous tissue containing asbestos bodies. He had worked six months as a pipe lagger in a shipyard 25 years earlier. The author concluded that distinguishing asbestosis from fibrosis caused by other silicates is not difficult. The author also concluded that coated fragments of the lung's elastic tissue ('elastosis bodies') can mimic asbestos bodies, and that burning the tissue and treating it with mineral acid distinguishes the two.

We wrote this plain-English summary from the full article with the help of AI, and a second AI model checked each sentence against the article. It is not the authors' wording; the abstract and the article are their own account.

What the study did and found

• Design: narrative pathology article on differential diagnosis, drawing on the author's cases and including one illustrative case report
• Who was studied: cases of people who had worked in the manufacture or use of asbestos products in Britain; asbestos miners were not included; number of cases not stated
• Exposure: manufacture or use of asbestos products in Britain (fiber types not specified); in the cited case, six months' work as a lagger insulating pipes in a shipyard 25 years earlier
• Main results:
  • Asbestosis is diagnosed by asbestos bodies and fibers together with fibrosis; the fibrosis alone is not diagnostic because it resembles that of several other diseases
  • The diffuse form of asbestosis produces honeycomb (cystic) lung; asbestosis may also occur as solid fibrosis
  • In one cited case, a man with a right upper lobe mass was diagnosed with carcinoma and the lung was removed; asbestos bodies were found in dense fibrous tissue. He had worked six months as a shipyard lagger 25 years earlier
  • In these cases asbestosis was distinguished from classical silicosis without difficulty; there was no nodular whorled fibrosis
  • Incineration and treatment with mineral acid distinguish elastic-tissue bodies (hemosiderosis of elastic tissue) from asbestosis
• The authors' conclusion: The author concluded that asbestosis occurs in diffuse and solid forms, that distinguishing it from fibrosis due to other silicates is not difficult, and that hemosiderosis of elastic tissue (elastosis bodies) may mimic asbestos bodies

Topics

The National Library of Medicine indexes this study under subjects our site covers: Asbestosis.

Medical terms in this study, explained in our Lexicon: Differential Diagnosis, Pathology, Fibrosis, Silicate, Asbestos Bodies.

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