患者女,19岁。查体时B超提示右肾门旁实性占位1周。查体:无异常体征。实验室检查:尿常规:酮体+,尿胆元+。影像学表现:B超示右肾中份近肾门有一2.4cm×2.4cm大的混杂回声灶,边界清晰,周边部分回声较低,中心近似等回声(图1)。CT平扫显示:右肾门旁实性占位,约2.0cm×2.4cm,CT值29H Female patient, 19 years old. Physical examination when B-prompt right renal solidity next to the place for 1 week. Physical examination: no abnormal signs. Laboratory tests: Urine routine: ketone body +, urinary bile +. Imaging findings: B ultrasound showed that there is a 2.4cm × 2.4cm mixed echogenic stove in the middle kidney of right kidney. The boundary is clear, the echo of the peripheral part is lower, and the center is similar to the echo (Figure 1). CT plain scan shows: Right renal door next to the solid space, about 2.0cm × 2.4cm, CT value 29H