Detection of the cervical cancer in mass-screening.
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概要
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A cervical cancer screening was performed on 204, 186 women in Fukuoka prefecture during 1976-1980 and 167 cases of squamous cell carcinoma, 101 cases of carcinoma in situ (CIS), 4 cases of adenocarcinoma and incidentally 1 case of endometrial adenocarcinoma were detected. The detection rate of invasive cancers including CIS was 0.24% for the unscreened population and 0.09% for the rescreened group. The higher detection rate was observed in older age people of the unscreened group, but this tendency was obscure in the rescreened group. This result suggests that a considerable part of mass screening in the older age people may consisted of women who had some complaints or symptoms.<BR>A study on the screening records of 129 cancer patients revealed that 57 cases were detected at the second screening, 31 cases at the third screening, 18 cases at the forth screening, and 23 cases had five or more screenings. Twenty-seven cases (20.9%) had a history of abnormal cytology, but subsequently performed histologic examinations failed to confirm the cancer. Re-examination on the "negative" smear specimens obtained for the screening just before the detection of cancer disclosed abnormal cells in 7 out of 30 patients with squamous cell carcinoma and also in 7 out of 21 CIS patients. The false-negative rate in our laboratory was thus estimated as 9.6-12.5%. Because the rate of CIS to invasive cancer extremely declined when the screening was performed at more than 4-year-interval, more frequent screening must be requested. The follow up of cases with Pap. class III was also considered to be important for detecting early cancers.
- 特定非営利活動法人 日本臨床細胞学会の論文
特定非営利活動法人 日本臨床細胞学会 | 論文
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