《肾嗜酸细胞瘤》教学课件.ppt

1、 Case discussion by abdomen group2012-3-14HistorynFemale 63ynget wound in a fall 1 month agonUSG:solid mass lesion of left kidneynSPECT：high perfusion in the mass lesion of left kidney Cortical period（CT value:110HU;36HU)Medulla period（CT value:180HU;62HU)Discharge period（CT value:107HU;57HU)VRnOper

2、ation：left kidney radical correction Pathology：Renal oncocytomaDDXnRenal oncocytoma,RORenal oncocytomanRenal oncocytomas are benign,rare,solid tumours of the kidney,derived renal cortex epithelium of proximal convoluted tubule.，comprising 37%of all renal tumors nOccur in all ages,the most in about 5

3、0y，generally men more than women,M:F 1.51.7:1nMost is solitary,can also be complicated with Polycystic kidney,renal angiomyolipomas,renal cancer nusually asymptomatic and discovered incidentallyRenal oncocytomaCT scannernA well-defined marginnCentral stellate scar d 100HU,CT value fell rapidly in th

4、e medulla period,“Quick in quick out”Renal chromophobe cell carcinoma(RCCC)Diagnostic pointnLocated in the medullary,expansion growth to renal sinus and renal cortical,tumor size larger,on the surrounding renal organization performance for the only signs of oppression nEnhanced scanning:Light to mod

5、erate,homogeneous strengthening of the tumor,change of density is not obvious in each period,And there is no clinical symptoms and transfer of the patients nRCCC can also see scar,but less than the RO nCystic or necrosis rarelyIdentify points：The enhanced,almost the strengthening of the RO significantly higher than RCCC,but sometimes RO and RCCC performance has across,therefore need to pathological diagnosisThank you！