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目的分析直肠癌误诊原因。方法分析我院１９９０．１－１９９８．６月收治的直肠癌患者１８２例。结果１８２例中误诊（指首诊）４５例，误诊率为２４．３％。平均误诊时间６．６个月。被误诊的主要疾病是慢性肠炎（占３７．７％）、内痔（２０．０％）、细菌性痢疾（１７．７％）、直肠息肉（６．６％）、肛裂（４．４％）。结论直肠癌误诊的主要原因是：１．对直肠癌的临床症状特点认识不足。２．忽视直肠指诊。３．不重视直肠镜及乙状结肠镜检查。４．对年青人直肠癌缺乏警惕性。５．对直肠癌可以和直肠肛管良性疾病并存认识不足，尤其对直肠息肉恶变缺乏警惕。
Objective To analyze the causes of misdiagnosis of rectal cancer. Methods A total of 182 patients with rectal cancer admitted to our hospital from 1990.1-1998.6 were analyzed. Results Of the 182 cases misdiagnosed (referring to the first diagnosis) in 45 cases, the misdiagnosis rate was 24.3%. The average misdiagnosis time was 6.6 months. The major diseases that were misdiagnosed were chronic enteritis (37.7%), internal hemorrhoids (20.0%), bacterial dysentery (17.7%), rectal polyps (6.6%), and anal fissure (4.4%). ). Conclusion The main reasons for the misdiagnosis of rectal cancer are: 1. There is insufficient understanding of the clinical symptoms of rectal cancer. 2. Neglecting digital rectal examination. 3. Do not value proctoscopy and sigmoidoscopy. 4. There is a lack of vigilance for young people with rectal cancer. 5. There is a lack of understanding of the coexistence of rectal cancer and benign anorectal diseases, especially the vigilance of malignant transformation of rectal polyps.