A retrospective study of 2 559 patients with cysts diagnosed by abdominal CT
Objective To investigate the risk of tumor occurrence in the patients with abdominal cyst.Methods A retrospective study was performed on 2 559 patients with cysts from February,2019 to January,2020 of Chongqing Municipal Hospital of Traditional Chinese Medicine diagnosed by abdominal CT.The bina-ry logistic regression method was adopted to analyze the risk of tumor occurrence in the patients with cyst di-agnosed by abdominal CT.Then whether the occurrence risk of liver cyst,renal cyst and spleen cyst having the differences in age and sex was analyzed.Results Among 2 559 cases,there were 2 405 cases(94.0％)of left renal cyst,2 272 cases(88.8％)of right renal cyst,1 167 cases(45.6％)of hepatic cyst,903 cases(35.3％)of double renal cysts,625 cases(24.4％)of complicating tumor and 7 cases(0.3％)of splenic cyst.The correla-tion analysis showed that the double renal cysts were positively correlated with left renal cyst and right renal cyst(r=0.619,0.688);the regression analysis showed that gender,splenic cyst,renal cyst and hepatic cyst had no statistically significant difference in the risk of tumor occurrence(P＞0.05),while the age factor had a statistically significant difference(OR=1.015,95％CI 1.008-1.022,P＜0.001);gender(OR=0.727,95％CI 0.570-0.928,P=0.011),age(OR=1.041,95％CI 1.031-1.052,P＜0.001)and hepatic cyst(OR=0.001,95％CI 0.000-0.005,P＜0.001)had a statistically significant difference in the occurrence risk of re-nal cyst;for the occurrence risk of hepatic cyst,only the difference in renal cyst factor had statistical signifi-cance(OR=0.001,95％CI 0.000-0.005,P＜0.001).Conclusion Cyst is not a risk factor for tumor.Female is more likely to suffer from renal cyst than male,and the risk of renal cysts occurrence is increased with age increase.
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