ureteropelvic junction obstruction

u·re·ter·o·pel·vic junc·tion ob·struc·tion

an impediment to the drainage of urine from the kidney, usually due to partial or intermittent blockage of the renal collecting system at the junction of the renal pelvis and ureter.

ureteropelvic junction obstruction

Obstruction of ureteropelvic junction; UP junction obstruction Urology A congenital obstruction at the junction between the ureter and renal pelvis, caused by ureteral stenosis, resulting in accumulation of urine in the pelvis under pressure, ergo hydronephrosis; UPJ obstruction is the most common cause of urinary obstruction in children Clinical Abdominal mass in infant with UTI, fever, back pain, hematuria Management Kidney decompression before or after delivery. See Hydronephrosis.
References in periodicals archive ?
We evaluated 76 consecutive patients who underwent surgery for ureteropelvic junction obstruction (UPJO) by 5 pediatric urologists at a single institution between 2011 and 2012.
Conclusion: Robotic-assisted pyeloplasty with its high success rates and low morbidity is an effective, safe, and minimally invasive approach for the treatment of ureteropelvic junction obstruction.
Pyeloplasty is a fundamental piece of the pediatric urologists' armamentarium, with the definite goals of preserving renal function and preventing morbidity secondary to ureteropelvic junction obstruction (UPJO).
While a third of patients are asymptomatic, renal calculi and ureteropelvic junction obstruction are common, leading to hydronephrosis.
All patients presented with an ureteropelvic junction obstruction and dilatation of renal calyx system with an enlarged renal pelvis.
Congenital anomalies of the kidney and urinary tract are part of a family of diseases with different anatomical origins, including kidney anomalies, such as multicystic dysplastic kidney, hypoplastic kidney, ureteropelvic junction obstruction, vescicoureteral reflux, megaureter, and anomalies of the bladder and urethra.
Koleda and colleagues studied the density of interstitial cells in ureteropelvic junction obstruction.
In the presence of ureteropelvic junction obstruction (UPJO), a full-thickness incision was made using a hook knife truly lateral to the UPJ.
Comparison of flank, dorsal lumbotomy and laparoscopic approaches for dismembered pyeloplasty in children older than 3 years with ureteropelvic junction obstruction.
Open dismembered pyeloplasty described by Anderson-Hynes is considered the gold standard to treat ureteropelvic junction obstruction (UPJO), with success rates exceeding 83%.