Characteristics and Types of Urolithiasis in the Eastern Region of Saudi Arabia: A Single-Center Retrospective Study.

Introduction Urolithiasis is one of the most common conditions encountered in clinical practice with the prevalence increasing globally in the last few decades. Urolithiasis has been found to be more common in areas with a hot climate, such as Saudi Arabia. The aim of this study was to determine the characteristics and the types of urolithiasis most frequently found in the Eastern Region of Saudi Arabia.

Leiomyosarcoma Invading the Vena Cava: A Case Report.

Leiomyosarcoma is an aggressive soft tissue tumor originating from smooth muscle cells typically of the uterus, gastrointestinal, or genitourinary system. The most common site of leiomyosarcoma of soft tissue is the retroperitoneum, accounting for 50% of all cases. The majority of patients are asymptomatic, which may be due to the large retroperitoneal cavity.