endourologic pyeloplasty is being a substitute of open pyeloplasty in management of ureteropelvic junction obstruction. this procedure can be done in different manners like balloon dilation, cold knife and electrosurgical endoureterotomy, accucise and lasers.a 47 year old woman referred with history of previous open pyeloplasty. hydronephrosis of right kidney with unremarkable t ½ was found in ...

OBJECTIVES Determine the efficiency of the Acucise catheter in the treatment of ureteropelvic junction (UPJ) obstruction. MATERIALS AND METHODS Between May 1997 and April 1999, 30 patients with primary or secondary ureteropelvic junction obstruction were treated using Acucise endopyelotomy catheter. The diagnosis was based on intravenous urography and diuretic renography. None of the patients...

Multiple techniques exist to remove uroliths from each section of the urinary tract. Minimally invasive methods for removing lower urinary tract stones include voiding urohydropropulsion, retrograde urohydropropulsion followed by dissolution or removal, catheter retrieval, cystoscopic removal, and cystoscopy-assisted laser lithotripsy and surgery. Laparoscopic cystotomy is less invasive than su...

juvenile nasopharyngeal angiofibroma (jna) is a rare, benign and locally invasive tumor. massive bleeding because of vascularity of tumor and postoperative recurrence are potential problems of management. endonasal approach reduces the rate of postoperative recurrence, intraoperative bleeding, and complications of surgery, time of operation and duration of hospitalization. in this article, we r...

We report on the case of a 44-yr-old white man who was referred as an emergency from a local hospital to the medical intensive care unit (ICU) at our institution for progressive multiorgan failure of unknown cause. The CT scan of the abdomen showed a horseshoe kidney with extensive stone formation in both kidneys and the urinary bladder. A massively calcified double pigtail ureteral stent could...

gastric varices (gv) are responsible for 10-30% of all variceal  hemorrhage. however, they tend to bleed more severely with higher mortality. around 35-90% rebleed after spontaneous hemostasis. approximately 50% of patients with cirrhosis of liver harbor  gastroesophageal varices. in this review, new treatment modalities in the form of endoscopic treatment options and interventional radiologica...