The yield of microscopic varicocelectomy in men with severe oligospermia.

Introduction: Varicocele is detected in 35%-50% of men with primary infertility and up to 81% with secondary infertility. Various studies have shown that varicocele is related to testicular hypotrophy and impaired spermatogenesis. The effect of varicocelectomy in mild-to-moderate male factor infertility has been well reported.

The perception and competency of undergraduates in urology: Is the clinical exposure necessary?

Objective: The objective of this study is to investigate medical students' perception, choices of future career, and competency in urology.

Methods: A cross-sectional survey was distributed among 5, 6, and 7(interns) year medical students at King Saud bin Abdulaziz University for Health Sciences using both hard copies and soft copies. Major outcomes were medical students' perception, future career decision, and core skills in urology.

Trends of upper urinary tract stone management in a high volume stone center in Saudi Arabia, 12 years analysis.

Introduction: Urolithiasis is a common urological problem globally with tremendous health and economic burden. In Saudi Arabia, an estimation has shown that the risk of developing a stone episode is 50% higher than that in Western countries. About 20% of males would experience at least one episode by 70 years of age.

Kidney cancer in Saudi Arabia. A 25-year analysis of epidemiology and risk factors in a tertiary center.

Objectives: To evaluate available epidemiological data and risk factors for kidney cancer in a tertiary care center in Riyadh, Saudi Arabia, over a period of 25 years.

Methods: This retrospective study conducted in a tertiary care center included all adult patients with primary kidney cancer who presented and were managed between 1990 and 2015. Based on this information, we forecast the incidence of the disease in our center over the next 5 years (2016 to 2020).

Prevalence of Dietary Supplements Use among Gymnasium Users.

Several studies showed that regular gymnasium users use various dietary supplements without comprehension of their potential risks. To determine the prevalence and dietary supplement intake and assess the awareness of supplement use among regular gymnasium users in Riyadh, Saudi Arabia. A descriptive cross-sectional study was conducted among regular gymnasium users in Riyadh, Saudi Arabia, between April 2015 and June 2015.