The upholsterer and the asbestos

Our plain-English summary of The upholsterer and the asbestos, by C. Mensi, A. Garberi, R. Trinco, et al (Occupational and Environmental Medicine, 2009).

The study

• Authors: C. Mensi, A. Garberi, R. Trinco, L. Riboldi
• Journal: Occupational and Environmental Medicine
• Published: 2009;66(12):855
• Type of article: Case report, Letter
• Cited by: 3 articles, as counted by NIH iCite
• Read it: PubMed · Publisher

In plain English

This was a case report from the Lombardy Mesothelioma Registry in northern Italy, which has collected all new cases of malignant mesothelioma among residents of the region since 1 January 2000. It described a 63-year-old man diagnosed with malignant pleural mesothelioma. From age 24 to 52 he worked as an independent upholsterer, making covers, stuffing and padding for mattresses, sofas and armchairs. Until the early eighties he used about 200 kg of cotton waste and wadding a year for stuffing, from bales of recycled cotton, wool rags and cloth brought from Tuscany and Brianza. No asbestos exposure outside work or from the environment was found. Earlier Italian reports had linked recycled rags to asbestos from re-used jute sacks, so four of his lung tissue samples were analysed by scanning electron microscope. The analysis showed a mean (SD) concentration of up to 1 872 000 (429 000) fibres per gram of dry tissue, mainly chrysotile. Citing other researchers, the authors noted that more than 1 million fibres per gram is associated with occupational exposure. The authors concluded this confirmed an intensive occupational asbestos exposure. The letter was not externally peer reviewed.

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: case report (single patient, published as a short letter)
• Who was studied: One 63-year-old man with malignant pleural mesothelioma, identified through the Lombardy Mesothelioma Registry, which collects all incident malignant mesothelioma cases among residents of the Lombardy Region of northern Italy (population 9.1 million) since 1 January 2000
• Exposure: Work as an independent upholsterer from age 24 to 52. Until the early eighties he used about 200 kg per year of cotton waste and wadding for stuffing, from dark-grey bales of recycled cotton, wool rags and cloth transported from Tuscany and Brianza. Based on earlier Italian reports about rags and re-used jute sacks, the authors suspected this was the source of asbestos exposure.
• Main results:
  • No asbestos exposure outside work and no environmental source was found for this patient
  • Scanning electron microscope analysis of four lung tissue specimens from the patient showed a mean (SD) concentration of up to 1 872 000 (429 000) fibres per gram of dry tissue, mainly chrysotile
  • Citing earlier work by Mowé and others, the authors noted that a burden of more than 1 million fibres per gram of dried lung tissue analysed by scanning electron microscope is associated with occupational asbestos exposure
• The authors' conclusion: The authors concluded that the large number of chrysotile fibres in the patient's lung tissue confirmed an intensive occupational asbestos exposure that otherwise would only have been suspected

Topics

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

Related studies

• Asbestos-related disease in upholsterers — M.J. Cruz, J. Sampol, et al. (2018)
• Porcelain factory worker with asbestos-related mesothelioma — C. Mensi, A. Garberi, et al. (2010)
• Incidence of mesothelioma in Lombardy, Italy: exposure to asbestos, time patterns and future projections — C. Mensi, S. De Matteis, et al. (2016)
• Differences between peritoneal and pleural mesothelioma in Lombardy, Italy — C. Mensi, M. Mendola, et al. (2017)
• Estimate of environmental and occupational components in the spatial distribution of malignant mesothelioma incidence in Lombardy (Italy) — D. Catelan, D. Consonni, et al. (2020)
• Pleural malignant mesothelioma in dental laboratory technicians: A case series — C. Mensi, F. Ciullo, et al. (2017)

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