Single-docking robot-assisted laparoscopic radical nephroureterectomy is difficult to deal with the distal ureter and bladder. Thirty-two patients with ureter carcinoma underwent single-docking robot-assisted nephroureterectomy in rectus rectilinear cannula placement in our hospital. The advantages include lower surgical difficulty, shorter operation time, less surgical bleeding and damage. This surgical method is a safe and effective minimally invasive treatment for ureter carcinoma.

Objective:To investigate value of contrast-enhanced ultrasound(CEUS)in predicting ischemic-type biliary lesions(ITBLs)in patients with thickened hilar bile duct wall at early stage after liver transplantation.Methods:A total of 45 patients,who underwent liver transplantation at the Liver Transplantation Center of Beijing Friendship Hospital Affiliated to Capital Medical University from June 25,2020 to December 28,2022,and occurred hilar bile duct wall thickening at early stage after surgery,were prospectively included.CEUS was performed on biliary tract when the thickened hilar bile duct wall was first detected by routine ultrasound,and the enhanced mode of duct wall at each phase was recorded.Subsequently,according to the results of cholangiography,these patients were divided into ITBLs group(15 cases)and non-ITBLS group(30 cases).The enhanced degree of each phase of CEUS of two groups was qualitatively analyzed and compared,and the diagnostic efficacy of CEUS for ITBLs after liver transplantation was evaluated.Results:There were no significant differences in source of liver donor,biliary anastomosis,autoimmune liver disease,hepatic artery occlusion(HAO),rejection,cytomegalovirus infection and cholangitis between the two groups(P>0.05).The compared results of the enhanced mode of CEUS at arterial phase between the two groups indicated that 25 patients(83.3%)were hyper-enhancement,and 5 patients(16.7%)were iso-enhancement,and 0 patient was hypo-enhancement or non-enhancement in non-ITBLS group.The compared results also indicated that 3 patients(20.0%)were hyper-enhancement,and 4 patients(26.7%)were iso-enhancement,and 8 patients(53.3%)were hypo-enhancement or non-enhancement in ITBLs group.The difference of above results between the two groups was statistically significant(x2=22.946,P<0.000).There was no significant difference between the two groups in the enhanced mode at the late phase(P>0.05).The accuracy,sensitivity,specificity,positively predictive value and negatively predictive value of the prompted hypo-enhancement or non-enhancement at arterial phase of CEUS on biliary tract were respectively 84.4%,53.3%,100%,100%and 84.4%in diagnosing ITBLs.For 8 patients who were diagnosed as ITBLs by CEUS,the diagnostic time of CEUS for ITBLs was 1 to 6 months[3.0(1-5)months]ahead of that of cholangiography.Conclusion:CEUS can more accurately predict ITBLs before the biliary tract occurs significant morphological change,which can significantly advance the diagnostic time for ITBLs.

Objective To exploring the distribution characteristics of renal disease pathology spectrum in Zhejiang Provincial Hospital of Traditional Chinese Medicine.Methods The pathological data of 602 patients who underwent renal biopsy at Zhejiang Provincial Hospital of Traditional Chinese Medicine from January 2016 to June 2021 were collected and retrospectively analyzed.Results ①Among the 602 patients,there were 319 males and 283 females,with a male to female ratio of 1.13∶1.The patient's age was 9-78 years old,average(44.44±15.22)years old.There are statistical differences in the gender ratio and age distribution of various pathological types.②There were 471 cases of primary glomerular disease(PGD),117 cases of secondary glomerular disease(SGD),5 cases of tubulointerstitial nephritis,and 9 cases of hereditary kidney disease.③The most common PGD is immunoglobulin(Ig)nephropathy(242 cases),followed by membranous nephropathy(110 cases).④The most common SGD was diabetes nephropathy(42 cases),followed by lupus nephritis(22 cases).Conclusion PGD is the most common pathological type of renal biopsy,with IgA nephropathy and membranous nephropathy being the most common.Diabetes nephropathy is the most common SGD.In recent years,the incidence rate of diabetes nephropathy has increased significantly.