Among these patients, 11 were misdiagnosed as hemorrhoids (31.4%), 7 as colitis (20%), 6 as dysentery (17.1%), 5 as porc误诊为的疾病中痔疮11例(31.4%)，肠炎7例(20%)，痢疾6例(17.1%)，直肠息肉5例(14.3%)，肠结核3例(8.6%)，肛瘘2例(5.7%)，前列腺炎1例(2.9%)。