Dr. Jay Simhan
Jay Simhan, MD

Chair and Professor, Temple Urology and Lewis Katz School of Medicine at Temple University, Fox Chase - Temple Urologic Institute, Philadelphia, PA

Ureteral Obstruction - Kidney Obstruction

Ureteral obstruction, or kidney obstruction, occurs when the tube draining urine from your kidney (the ureter) or the kidney itself becomes blocked. This can cause pain, infection, or kidney swelling, often due to kidney stones or blood clots. Treatment focuses on relieving the blockage to protect kidney function, and staying well-hydrated can help prevent future issues.

Please review the videos and resources below at your own pace.

Recommended Videos

UPJ Obstruction: An Overview

Learn about UPJ (Ureteropelvic Junction) obstruction, its diagnosis via imaging (CAT scan, nuclear scan), and the robotic pyeloplasty procedure. Understand causes, anatomy, and surgical treatment.

U-M Pediatric Urology - Ureteropelvic Junction Obstruction

U-M Pediatric Urology explains Ureteropelvic Junction Obstruction (UPJO). Understand its causes, symptoms (pain, hydronephrosis), diagnosis (ultrasound, MAG 3), and treatment, often surgery.

Geoffrey Box, MD on UPJ Obstruction

Dr. Geoffrey Box, MD (Ohio State) explains UPJ obstruction: a kidney-ureter blockage. Learn about its symptoms & advanced, minimally invasive treatment options, including robotic surgery.

Recommended Resources
Related Resources from Dr. Jay Simhan
Meet Dr. Jay Simhan

Chair and Professor, Temple Urology and Lewis Katz School of Medicine at Temple University, Fox Chase - Temple Urologic Institute

Carol and Lou Della Penna Endowed Chair in Urologic Cancer Survivorship

Director of Reconstructive and Prosthetic Urology, Temple Health

Professor of Urology, Fox Chase Cancer Center/Temple Health

Fellowship Program Director, Reconstructive Urology, Fox Chase - Temple Urologic Institute

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As a reconstructive urologist, I surgically manage the functional restoration of all urologic organs – specifically, the kidneys, ureter, bladder, urethra, and penis. My interest in becoming a reconstructive urologist arose from my desire to beneficially impact a patient’s quality of life. Many of the patients I see have quality of life problems from a cancer treatment itself. Indeed, the purpose of such cancer treatments are to extend a patient’s lifespan; my focus, specifically, is to optimize a patient’s quality of life.
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