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6.5±9.1) mm vs. (13.4±2.5) mm, <br /><br /> =0.008; (11.6±2.3) mmol/L <br /><br /> . (10.2±2.2) mmol/L, <br /><br /> =0.017], however, there were no significant differences in the average serum creatinine or hemoglobin (<br /><br /> &gt;0.05). Ureteroileal anastomotic re-stricture and other stent-related complications were not observed in all the patients by antegrade urography.<br /><br /> Allium coated metal ureteral stent could be used for the treatment for ureteroileal anastomotic stricture, which could maintain relatively long-term patency rate and protect renal function. The indwelling time was longer and it could improve quality of life of patients.<br /><br />Allium coated metal ureteral stent could be used for the treatment for ureteroileal anastomotic stricture, which could maintain relatively long-term patency rate and protect renal function. The indwelling time was longer and it could improve quality of life of patients.<br /><br /> To explore the clinical application value of using needle electrode in transurethral plasmakinetic resection of bladder tumor around ureteral orifice.<br /><br /> Retrospective analysis was performed on the clinical data of 16 cases who had bladder tumors around ureteral orifice and underwent transurethral resection using plasmakinetic needle electrode in Department of Urology, Peking University International Hospital from June 2015 to December 2019. There were nine cases with the tumor of one to two centimeters from the ureteral orifice. The rest of the seven cases had tumor that was within one centimeter from the ureteral orifice, including two cases whose ureteral orifice was invaded by the tumor. All the patients studied were diagnosed before surgery and contraindications were excluded. The plasmakinetic needle electrode was used to treat the tumor with en bloc resection, and all the excised tissue was sent for pathological examination. Intravesical chemotherapy and postoperative follow-ups were performed. Statisgins were negative. All the patients received 3-56 months, with an average of (26.0±18.1) months of follow-up. There was no case of upper urinary tract hydronephrosis or tumor recurrence.<br /><br /> The transurethral plasmakinetic resection of bladder tumor using needle electrode can realize en bloc tumor resection without obturator nerve reflex and reduce the risk of ureteral orifice injury. It is a safe and effective surgical method for treating bladder tumors around the ureteral orifice.<br /><br />The transurethral plasmakinetic resection of bladder tumor using needle electrode can realize en bloc tumor resection without obturator nerve reflex and reduce the risk of ureteral orifice injury. It is a safe and effective surgical method for treating bladder tumors around the ureteral orifice.<br /><br /> To analyze the clinicopathological characteristics of prostate cancer patients undertaking radical prostatectomy with single positive core biopsy, and to optimize the rational choice of therapeutic strategy.<br /><br /> In the study, 53 patients with single positive core prostate biopsy and treated by radical prostatectomy from January 2010 to December 2018, were analyzed retrospectively. [https://www.selleckchem.com/products/a-769662.html A769662] The mean age was (69.7±6.9) years (54-81 years), the mean prostate specific antigen (PSA) level was (9.70±5.24) μg/L (1.69-25.69 μg/L), and the mean prostate volume was (50.70±28.39) mL (12.41-171.92 mL). Thirty-nine out of 54 (73.6%) patients presented Gleason score with 6, 11 patients (20.8%) had Gleason score of 7 and 3 patients (5.7%) showed Gleason score ≥8. For clinical stages, 6 out of the 53 patients (11.3%) had prostate cancer in cT1, 44 cases (83.0%) had prostate cancer in cT2, and 3 cases (5.7%) in cT3.The patients were divided into subgroups according to age, preoperative PSA level, Gleason score, percentage of tumor in of prostate microfocal cancer. 37.7% cases had pathological upgrading and 77.4% cases had pathological staging upgrading. When choosing the operation scheme, such as sexual nerve reserved, lymph node dissection and apex operation skill, it is necessary to comprehensively analyze multiple factors, such as tumor risk classification, prediction factors of nomogram, multi-parameter MRI and intraoperative situation and so on.<br /><br />The proportion of single needle cancer tissue less than or equal to 5% is a predictor of prostate microfocal cancer. 37.7% cases had pathological upgrading and 77.4% cases had pathological staging upgrading. When choosing the operation scheme, such as sexual nerve reserved, lymph node dissection and apex operation skill, it is necessary to comprehensively analyze multiple factors, such as tumor risk classification, prediction factors of nomogram, multi-parameter MRI and intraoperative situation and so on.<br /><br /> To investigate the clinical and pathologic characteristics, diagnosis, treatment, prognosis and survival of prostatic stromal tumor of uncertain malignant potential.<br /><br /> Overall 14 patients with prostatic stromal tumor of uncertain malignant potential were treated from October 2008 to April 2020, the patient age ranged from 27 to 78 years (mean 54 years). The disease duration was 1 to 180 months (mean duration of 46 months). The clinical manifestations mainly included urinary obstructive symptoms and urethral irritating symptoms. The tumors were located in the peripheral zone or the transition zone. Digital rectum examination indicated prostatic tumor. Serum prostatic specific antigen level was always normal or elevated. Transrectal ultrasonography and magnetic resonance imaging indicated prostatic tumor. Magnetic resonance imaging in showed large, round, well-defined masses, which were diffusely heterogeneous signal on T2 weighted imaging. Following the administration of intravenous contrast medium, the lesiain malignant potential.<br /><br /> Plasma free metanephrines (MNs) have been widely used as an initial test for pheochromocytoma and paraganglioma (PPGL). PPGL without MNs elevation has been reported on rare occasions. The objective of this study was to analyze the clinical profile of sporadic PPGL patients with normal MNs.<br /><br /> In the study, 104 patients with sporadic PPGL diagnosed by histopathology in Peking University First Hospital from March 2015 to January 2020 were enrolled. All the patients had plasma MNs result, of whom, eight (7.69%) were with normal MNs. The reasons for their medical visits, clinical manifestations, the levels of plasma free MNs, 3-methoxytyramine (3-MT), catecholamines and chromogranin A (CgA), and the imaging findings were documented. Their preoperative diagnosis, perioperative medical management, and intraoperative blood pressure were analyzed. All the data mentioned above were compared with the MNs elevated group. The postoperative follow-up for MNs normal patients were applied.<br /><br /> For the eight PPGL patients with normal plasma MNs, the most common clinical symptoms were sweating (3/8), abdominal and back pain (3/8), headache (2/8), palpitations (2/8), and fatigue (2/8).