CT diagnosis of renal cystic disease

Objective:To study the value of CT in the differential diagnosis of the renal cystic disease.Methods:203 cases of renal cystic disease diagnosed by CT scan were retrospectively analyzed.Results:There were 25 cases of malignant cystic tumorous disease,140 cases of renal cyst,32 cases of obstructive hydronephrosis and 6 cases of abscess formation of renal tubernulosis. They all presented with different CT features.Conclusion:Better understanding of the CT features of renal cystic disease may help for the differential diagnosis,which is useful to the clinical decision.