Simple Renal Cysts
We often see patients with incidentally found simple renal cysts on ultrasounds done for urinary symptoms/abdominal pain. Once a cyst is found, I feel obligated to continue to monitor it … Read more
Vaginal Voiding
Vaginal voiding occurs when the urine goes from out the urethra back into the vagina. Radiologists often see vaginal voiding in girls during a voiding cystourethrogram due to the fact … Read more
Prostatic utricles
Prostatic utricles (PU) are rarely found in boys with a history of severe hypospadias or disorders of sex development, either during preoperative evaluation with a voiding cystogram or at any … Read more
Postnatal Evaluation of Antenatally Detected Hydronephrosis
This post describes how I evaluate newborns with antenatally detected hydronephrosis. UTD Classification In 2014, a multispecialty panel convened to create a unified classification system for congenital hydronephrosis. The panel … Read more
Observe Hydroceles and Operate Inguinal Hernias
Hydroceles and inguinal hernias are common. Hydroceles are benign as they are not associated with serious complications or damage to the testicle, whereas hernias can rarely result in bowel strangulation … Read more
Pediatric urologic trauma: urethral injuries
A urethral injury is suspected when there is blood at the meatus, a Foley catheter cannot be passed, there is perineal bruising, or due to inability to void. Pelvic fractures … Read more
Pyeloplasty for a poorly functioning kidney?
Traditional teaching dictates performing a nephrectomy for hydronephrotic kidneys with <15% differential renal function (DRF) and a pyeloplasty for those with >15% DRF. This stems from the idea that poorly … Read more
Robotic Pyeloplasty for Intrarenal/posterior pelvis
Most patients with ureteropelvic junction obstruction (UPJO) have a large anterior extra-renal pelvis which is easily accessible during conventional robotic pyeloplasty. In contrast, for patients with intrarenal/posterior pelvises, the pelvis … Read more
Staghorn Stones
Staghorn stones are best visualized on a plain x-ray: On ultrasound, staghorn stones can be sometimes confused with hilar renal fat. This is the ultrasound from the patient above: … Read more
The most common cause of voiding problems in children is rectal retention of stool
Voiding problems such as urgency, frequency, accidents, and incomplete emptying are common in children. In a recent post, I reviewed the Physician’s Guide to MOP — an enema program to … Read more