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To identify preoperative predictors and to develop a classification system for predicting success rate after endoscopic combined intrarenal surgery (ECIRS) in the modified Valdivia position for renal stone treatment.We retrospectively analyzed 329 consecutive, single-session ECIRS procedures undertaken in the modified Valdivia position to treat renal stones. The successful status after surgery was...
To evaluate the effectiveness of cystoscopic lithotripsy, we performed Amplatz sheath technique using Ho: YAG laser. Maheshwari first reported the use of an Amplatz sheath in the female urethra in 1998, and Okeke et al reported the use of an Amplatz sheath for male patients during cystolithotripsy in 2004. The usefulness of the holmium (Ho): yttrium aluminum garnet (YAG) laser lithotripsy is widely...
To examine which parameters should be measured to preoperatively determine the stone burden as predictors of stone-free (SF) status after a single flexible ureteroscopy (URS). Although several stone parameters reportedly influence the outcome of treatment for urinary stones, the most reliable indicators of stone burden remain unclear. Patients with renal stones treated by flexible URS with holmium...
To evaluate, in a retrospective review, whether the concept of effective core volume is useful for predicting the volume of a tumor focus identified by transrectal needle biopsy of the prostate gland. The tumor volume range was estimated according to the concept of an effective core volume using the numbers of total and positive biopsy cores from the peripheral zone and peripheral zone prostate...
To examine whether an association exists between body mass index (BMI) and prostate cancer detection rates or pathologic features of cancer in Japanese urologic patients. We studied the age, BMI, and biopsy results of 481 patients who underwent transrectal prostate biopsy. They were stratified by BMI into three groups according to the cutoffs recommended for Asian populations: normal, BMI less...
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