Lung asbestos content in lung reseacted for primary lung cancer

Wright, C.M., Bowman, R. V., Tan, M.E., Maria Martins, McLachlan, R.E., Passmore, L.H., Windsor, M.N., Clarke, B.E., Duhig, E.E., Mahar, A.M. and Fong, K. M. (2008) Lung asbestos content in lung reseacted for primary lung cancer. Journal of Thoracic Oncology, 3 6: 569-576. doi:10.1097/JTO.0b013e318174e046


Author Wright, C.M.
Bowman, R. V.
Tan, M.E.
Maria Martins
McLachlan, R.E.
Passmore, L.H.
Windsor, M.N.
Clarke, B.E.
Duhig, E.E.
Mahar, A.M.
Fong, K. M.
Title Lung asbestos content in lung reseacted for primary lung cancer
Journal name Journal of Thoracic Oncology   Check publisher's open access policy
ISSN 1556-0864
Publication date 2008-06-01
Year available 2008
Sub-type Article (original research)
DOI 10.1097/JTO.0b013e318174e046
Open Access Status Not yet assessed
Volume 3
Issue 6
Start page 569
End page 576
Total pages 8
Place of publication United States
Publisher Lippincott Williams & Wilkins
Language eng
Subject C1
920115 Respiratory System and Diseases (incl. Asthma)
110203 Respiratory Diseases
111299 Oncology and Carcinogenesis not elsewhere classified
Abstract Introduction: The majority of Australia's burden of lung cancer occurs in current or former tobacco smokers. To determine the possible contribution of asbestos exposure in Australians presenting with primary lung cancer, we measured lung asbestos content in cases resected consecutively at a single cardio-thoracic hospital. Methods: Asbestos bodies were quantified by lung tissue digestion, filtration, and light microscopy, and were correlated with exposure questionnaires and clinicopathological features. Results: We demonstrate high intrarater reproducibility and interrater reliability using these methods. In 463 patients with resected primary lung cancers, asbestos content ranged from 0 to 749 asbestos bodies per gram wet weight (AB/gww). Forty-eight percent of patients had no asbestos bodies identified. One-third had less than or equal to 20 AB/gww (a level previously found to be consistent with urban dwelling). Nineteen percent had lung content in excess of this level. Only 20 cases had AB >100/gww, approximately equivalent to the Helsinki threshold for attribution of lung cancer to asbestos. Median asbestos body counts were higher in patients who reported previous asbestos exposure than in those who reported no exposure. A subgroup of cases gave detailed exposure histories that did not predict presence or absence of asbestos bodies in men or women. In cases with cumulative tobacco exposure less than 20 pack-years, asbestos body counts exceeding 20 AB/gww were overrepresented. Conclusions: We found that the majority of patients with primary lung cancer at a single Australian center have detectable asbestos in resected lung tissue, but fiber burdens are generally low. The contributory role of this low-level asbestos exposure in causing lung cancer remains uncertain.
Keyword Oncology
Respiratory System
Oncology
Respiratory System
ONCOLOGY
RESPIRATORY SYSTEM
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2009 Higher Education Research Data Collection
School of Medicine Publications
 
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Created: Wed, 08 Apr 2009, 22:03:42 EST by Amanda Jones on behalf of School of Medicine