Hereditary pattern of cancer.
Nirmala Chandrasekaran; Edwin Amalraj, R.; Manjula Datta; Krishnamurthy, P.V.; Vijayasarathi; Subramaniam, S.; Rajasambandam, P.
Indian Journal of Cancer; 1994; 31; 86-91.
Three thousand nine hundred and twelve patients with cancer in various sites reporting to the out patient department were questioned for history of cancer among blood relatives. A positive history of cancer was obtained in 154 of whom 89 were male and 65 female. Thirty-nine patients gave history of cancer among siblings and five gave history of cancer among spouses related by consanguneous marriage. The other 110 gave history of cancer among second and third generation relatives. Sixty one percent maternal relatives of the female patients had cancer as compared to only 33 percent of paternal relatives. This difference was not seen among male patients where there were about 45 percent of maternal and 47 paternal relatives giving history of cancer. Further it was found that 6 of 20 patients with cancer of the breast, 7 of 22 with stomach cancer and 4 of 12 with cervix cancer had blood relatives with the same type of cancer.
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