2025年3月3日 · Ureteropelvic junction (UPJ) obstruction or pelviureteric junction (PUJ) obstruction partially obstructs the passage of urine from the renal pelvis to the ureter. It is the most frequent cause of hydronephrosis in the fetus and can also present in adulthood. Ureteropelvic junction obstruction on antenatal ultrasound affects about 1:500 fetuses.

2024年9月24日 · Among the various diagnostic tools, the “Diethylenetriamine Pentaacetate” (DTPA) scan plays a pivotal role in evaluating renal function and drainage in patients with PUJO. This article explores the role of the DTPA scan in PUJO, focusing on its clinical applications, current medical trends, and recent studies. Understanding PUJO

2023年7月10日 · Ureteropelvic junction obstruction (UPJO) is a well-recognized clinical entity that results in impaired urine flow from the renal pelvis into the ureter and, if not detected and treated properly, can result in complete loss of the affected kidney.

2023年1月20日 · Pelvi-ureteric junction obstruction (PUJO) is an important cause of hydronephrosis. Currently, a nuclear scan assessment is commonly used for function, prognosis, and follow-up in patients of PUJO. Among many parameters evaluated, split renal function (SRF) depicts the individual function of both kidneys.

the outcome of children who underwent DTPA/MAG3 scan for suspected PUJO including their clinical presentation, indication for surgery, underlying causes and post-surgical outcome.

2018年4月15日 · DTPA/MAG3 scans provide information on renal blood flow, GFR, tubular function, and excretion. DMSA scans use Technetium99m to visualize renal cortex and assess renal scarring. Bone scans use Technetium99m HDP to …

2009年4月1日 · Dismembered pyeloplasty has been the traditional technique in the management of pelvi-ureteric junction obstruction (PUJO) secondary to crossing renal vessels in children. Laparoscopic transposition of lower pole vessels for PUJO has been described in …

2023年6月16日 · Pelvi-ureteric junction obstruction (PUJO) is a medical condition that affects the flow of urine from the kidney to the bladder. It occurs when there is a blockage at the junction of the renal pelvis and the ureter, which can lead to kidney damage and other complications if …

2019年4月18日 · 先天性肾盂输尿管交界处梗阻 (ureteropelvic junction obstruction ，UPJO)为尿液从肾盂流入近端输尿管障碍，进而导致集合系统扩张，并可能引起肾脏功能损害的一种泌尿系统畸形，它是引起新生儿肾积水最常见的病因 [1]。 总发生率为1∶1 500，男女发病比例为2∶1 [1]。 目前没有绝对的界限定义梗阻和非梗阻，也没有哪一个检查能够精确区分梗阻和非梗阻。 目前比较公认的梗阻定义为Koff (1987)提出的任何限制尿液排出，如果不予治疗将导致进行性肾功能的损害 …

One in seven neonates on antenatal scan detected hydronephrosis has Pelviureteric Junction Obstruction (PUJO), making PUJO one of the most common cause of congenital urinary tract obstruction, with an incidence of one in 1000 to one in 2000 live births.