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Familial mesothelioma: a report of two families
S P Hammar1, D Bockus, F Remington
1Department of Pathology, Virginia Mason Medical Center, Seattle, WA 98101.
Abstract:
Five reports of familial mesothelioma in which mesotheliomas occurred in two or more family members have been recorded in the medical literature. In this report, we describe two examples of familial mesothelioma. In one family, three brothers who worked in the asbestos insulation industry developed mesothelioma. In the second family, the father, who was occupationally exposed to asbestos, died from a tubulopapillary peritoneal mesothelioma 11 years before his son died from an identical histologic type of peritoneal mesothelioma. Our report, as with those previously recorded, suggests that genetic factors may be important in the genesis of some mesotheliomas.
Insights
Familial mesothelioma, occurring in multiple family members, suggests a genetic link. This study details two families with mesothelioma, highlighting potential inherited risk factors for this asbestos-related cancer.
Area of Science:
- Oncology
- Genetics
- Environmental Health
Background:
- Mesothelioma is a rare cancer primarily linked to asbestos exposure.
- Familial cases of mesothelioma are infrequently reported in medical literature.
Observation:
- This report details two distinct families with multiple members diagnosed with mesothelioma.
- In one family, three brothers with occupational asbestos exposure developed mesothelioma.
- In the second family, a father and son both died from the same type of peritoneal mesothelioma, with the father having occupational asbestos exposure.
Findings:
- The occurrence of mesothelioma in multiple family members, as presented in these cases, supports the hypothesis of a genetic predisposition.
- The specific histologic type of peritoneal mesothelioma in the second family suggests a potential inherited susceptibility.
Implications:
- Genetic factors may play a significant role in the development of mesothelioma in some individuals.
- Further research into genetic predispositions could inform screening and prevention strategies for families with a history of mesothelioma.