Calcium renal lithiasis is a frequent condition that affects the worldwide population and has a high recurrence rate. Different metabolic changes may trigger the onset of calcium stone disorders, such as hypercalciuria, hyperoxaluria, hyperuricosuria, hypocitraturia and others. There are also other very prevalent disorders that are associated with calcium calculi, such as arterial hypertension,...

OBJECTIVE To prospectively study the post-operative results and complications of percutaneous nephrolithotomy (PNL) in supine position to assess difficulty of learning it and how experience affects the results. To establish a relative comparison with the data published in the literature on the prone position. MATERIAL AND METHODS A prospective observational multicenter study on PNL in Valdivi...

PURPOSE To evaluate food intake of patients with urinary lithiasis and idiopathic hypercalciuria (IH). MATERIALS AND METHODS Between August 2007 and June 2008, 105 patients with lithiasis were distributed into 2 groups: Group 1 (n = 55)--patients with IH (urinary calcium excretion > 250 mg in women and 300 mg in men with normal serum calcium); Group 2 (n = 50)--normocalciuria (NC) patients. I...

OBJECTIVE To assess transoral treatment of submandibular lithiasis. DESIGN Study of a series of patients with submandibular stones undergoing transoral removal of the sialoliths. Duration of follow-up: 6 months to 7 years. SETTING Department of Otorhinolaryngology, Head and Neck Surgery, University of Erlangen-Nuremberg, Erlangen, Germany, center for treatment of salivary stones. PATIENTS...

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...

Urinary lithiasis is one of the conditions that have undergone revolutionary changes in treatment over the past decades. The technological advances in diagnosis (with ultrasound and computed tomography) and interventional treatment of urinary calculi observed in the 1980s and 1990s were very striking. In this century, we have seen the improvement of techniques and the refinement of indications....

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.

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 ...