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本文分析了通讯调查日本871家医疗机构在1966年～1983年所收治的小胰腺癌(指直径为2cm或小于2 cm)的资料,441家回答咨询,共有小胰腺癌106例。在49个医疗机构中共收治3315例胰腺癌病人,其中753例做切除手术,包括71例小癌。总切除率为22.7%,在所有胰腺癌的病例中,小胰腺癌的发生率为2.1%,而占可经切除术病例的9.4%。在肿瘤直径大于2 cm的病人中,切除率为21.9%。性别和年龄在106例小胰腺癌病人中,男72例,女34例,男女比率为2.1∶1。年龄平均为59.8
This article analyzes the data from the communication surveys of 871 small-sized pancreatic cancers (referred to as 2 cm in diameter or less) treated by 871 medical institutions in Japan from 1966 to 1983. 441 of them answered and consulted, and 106 had small pancreatic cancers. A total of 3,315 cases of pancreatic cancer were treated in 49 medical institutions, of which 753 were undergoing resection, including 71 small cancers. The total resection rate was 22.7%. In all cases of pancreatic cancer, the incidence of small pancreatic cancer was 2.1%, and it accounted for 9.4% of recurrent cases. In patients with a tumor diameter greater than 2 cm, the resection rate was 21.9%. Gender and age Among 106 small pancreatic cancer patients, 72 were males and 34 were females. The male to female ratio was 2.1:1. The average age is 59.8