Intrahepatic lithiasis (IHL) is a disease that occurs in middle-aged and elderly people. Presentations of IHL young are rare considerations the differential diagnosis include primary sclerosing cholangitis, recurrent pyogenic bile acid transporter defect, Caroli's other known genetic diseases. Treatment often complex, all order to prevent complications. In this report, we describe treatment, wi...

A case of combined squamous and intestinal metaplasia of the renal pelvis, associated with hydronephrosis, chronic pyelonephritis, and lithiasis, is reported. The changes are considered to be due primarily to mechanical irritation of the pelvic epithelium.

We report biliary lithiasis secondary to infestation with Ascaris lumbricoides in a young man. We review the pathogenesis and clinical features of this condition and discuss the differential diagnosis.

Formation of renal calculi is one of the common urological disorders. Urinary stone disorder has always been a common disease currently affecting 10-12% of the population in industrialized countries. The highest prevalence of this disease seems to be at the age of 20-40 years for men, while for the women, the incidence of this disease is somewhat later. Various previous studies have shown that ...

INTRODUCTION We describe the technique and present the preliminary results of the laparoscopic radical cystectomy technique with the extracorporeal creation of a "y" shaped ileal orthotopic neobladder using non-absorbable mechanical suture (Fontana). MATERIALS AND METHOD We describe the technique step by step and we present a series of 15 patients that underwent this surgery between November ...

INTRODUCTION Pathogenesis of kidney stones includes many factors, whereas uroliths, as a generic term for kidney stones, are of a different composition. In pathogenesis of calcium urolithiasis hypercalcemia/hypercalciuria takes a significant place. Hypercalcemia exists when the serum calcium is of increased values, along with measurement and calculation of physiologically active calcium, when t...

CONTEXT About 9% of the Brazilian population has gallstones and the incidence increases significantly with aging. The choledocholithiasis is found around 15% of these patients, and a third to half of these cases presented as asymptomatic. Once the lithiasis in the common bile duct is characterized through intraoperative cholangiography, the laparoscopic surgical exploration can be done through ...