肾囊肿是常见的肾脏肿块，在CT图象上大多位于皮质内，肿块圆而光滑，内部密度不均匀，一般情况下，小的囊肿无需作任何处理，但当发现有较大的囊肿时，病人常伴有血尿、高血压及腹部不适等临床症状，这就需要进行处理。我们采取了经CT导向对肾囊肿的清除方法，其操作方法简单 Renal cysts are common renal masses. Most of the CT images are located in the cortex. The masses are round and smooth, and the internal density is not uniform. Under normal circumstances, small cysts need not be treated. However, when larger cysts are found, Patients often have hematuria, high blood pressure and abdominal discomfort and other clinical symptoms, which need to be addressed. We have taken a CT-guided removal of renal cysts, the operation method is simple