Related Experiment Video
Updated: Dec 26, 2025

A Novel Surgical Technique in a Sheep Model for Suburethral Graft Implantation
Published on: June 20, 2025
Spring onion as a foreign body in the urethra
Tzu-Chun Lai1,2, Chin-Li Chen2
1Division of Urology, Department of Surgery, Tri-Service General Hospital Songshan Branch, National Defense Medical Center, Taipei, Taiwan.
Abstract:
We report a case in which a spring onion was inserted into a patient's urethra and bladder by his wife. Because vegetables are radiolucent, we used abdominal computed tomography to make the diagnosis. A spring onion was pulled out completely, and no residual plant material remained inside the bladder.
Related Concept Videos
Urethra
The anatomy of the urethra differs between males and females. In females, the urethra is short, measuring about 3–4 cm in length, and opens anterior to the vaginal opening. In males, the urethra is longer and passes through the penis, serving dual purposes: expelling urine and ejaculating semen. The male...
Ureters
Urologic Endoscopic Procedure: Cystoscopic Examination
Anatomy of the Genitourinary System II: Bladder and Urethra
Urinary Tract Infection I: Introduction
Urinary Tract Calculi VI: Surgical Management

