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Familial Polyposis Coli and Colonic Carcinoma-A Family Report

家族性息肉症與大腸癌-家族病例報告

摘要


「家族性息肉症」係於chromosome 5靠近bands 5q^21-q^22處異常的一種顯性遺傳疾病。鋇鹽灌腸檢查可見在結腸,特別是直乙狀結腸,散佈著無數2-5(上標 mm)大小的息肉。 今有一62歲男性因腹痛、腹瀉、體重減輕而求診,被診斷為大腸息肉症。七位子女接受雙對比劑鋇鹽灌腸及大腸纖維鏡檢查,證實其中三位亦患有息肉症,且一位巳惡化成癌,充份說明了家族性息肉症的遺傳性以及它與結腸癌之間的密切關係。

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並列摘要


Familial polyposis coli (FPC) is inherited as a non-sex linked autosomal dominant trait with a possibility of 50% inheritance. It is manifested as a defect on the chromosome 5, most likely near bands 5q^21-q^221. It's characteristic is that on the colon, especially the rectosigmoid colon, more than 100 polyps can be found. Double contrast barium enema study^2 may show numerous polyps cover the entire colon. A 62-year-old male with vague abdominal pain, diarrhea and body weight loss was examined in July 1988. The diagnosis was colonic polyposis. 3 of his 7 children revealed FPC with 1 case already showing malignant changes. This confirms the intimate relationship between FPC and colon cancer.

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