Mohammad Mahdi Alvandi Fard

Ultrasonographic changes following pyeloplasty in children with ureteropelvic junction obstruction: a prospective observational before-after cohort study

Background/objective: Ureteropelvic junction obstruction (UPJO) is a common congenital anomaly in pediatric patients. Although nuclear scintigraphy is traditionally considered the standard for postoperative follow-up, the associated radiation exposure, invasiveness, and cost have prompted interest in noninvasive option...