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頁籤選單縮合
題名 | Correlation of the Morphology and Size of Colonic Polyps with Their Histology=大腸瘜肉之形態、大小與組織學的相關性 |
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作者 | 房子文; 蔡成枝; 邱世賢; 趙景華; 許家彰; 邱逸群; 吳耿良; 周業彬; 王元耀; 張簡吉幸; | 書刊名 | 長庚醫學 |
卷期 | 26:5 2003.05[民92.05] |
頁次 | 頁339-343 |
分類號 | 416.245 |
關鍵詞 | 大腸瘜肉; 瘜肉切除術; Colon polyp; Polypectomy; |
語文 | 英文(English) |
中文摘要 | 背景:大腸腺性瘜肉為大腸癌之前軀物,如果早期發現並接受大腸鏡或乙狀結腸鏡切除將會減少大腸癌的發生。此研究之目的是藉由本院瘜肉切除術的案例分析來評估大腸瘜肉之大小,形態與組織學的相關係。 方法:從1998年4月至2001年12月間,本院共有324位病人接受乙狀結腸或大腸鏡之瘜肉切除術。一共有207位男性,117位女性,年齡從17-86歲。所切除的瘜肉總共400例。瘜肉的大小與組織學診斷是以病理科報告為依據。瘜肉的型態則是依Yamada分類法。 結果:在本研究中,大腸瘜肉之組織學包括腺性瘜肉,大腸癌,增生性瘜肉及發炎性瘜肉等。有1.5%(6/324)是大腸癌,這6例大腸癌全都屬於Yamada第三或四型。其中有5例是大於1公分,另外一例之大小則是0.7公分。其併發症主要有大腸出血0.6%(2/324),及腸破裂(1/324)。 結論:我們發現瘜肉之大小,形態與它的癌化有密切的關係,對於大於1公分的瘜肉及Yamada第三或四型者則有更大潛力轉變為癌症,所以應該積極給予切除。瘜肉切除術的併發症很低。因此,我們認為瘜肉切除其實是很安全的。 |
英文摘要 | Non-and semi-parametric models have flourished during the last twenty five years. They have been applied widely and their theoretical properties have been studied extensively. We briefly review some of their development and list a few questions that we would like to see addressed. We develop an answer to one of these questions by formulating a ‘calculus’ similar to that of the i.i.d. case that enables us to analyze the efficiency of procedures in general semiparametric models when a nonparametric model has been defined. Our approach is illustrated by applying it to regression models, counting process models in survival analysis and submodels of Markov chains, which traditionally require elaborate special arguments. In the examples, the calculus lets us easily read off the structure of efficient estimators and chick if a candidate estimator is efficient. |
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