The use of a ureteral access sheath does not improve stone-free rate after ureteroscopy for upper urinary tract stones.

Purpose: To evaluate the impact of a ureteral access sheath (UAS) on stone-free (SF) rate after flexible ureteroscopy for upper urinary tract stones.

Materials And Methods: We retrospectively reviewed 280 patients who underwent flexible ureteroscopy (URS) for upper urinary tract stone between 2009 and 2012. Patients were divided into two groups based on whether a UAS was used (n = 157) or not (n = 123).

[Erdheim-Chester disease: report of a case and literature review].

The Erdheim-Chester disease is a rare non-Langerhans hystiocytose acquired in adults. It results from a xanthogranulomatous infiltration, consists of histioccytes foamy and is characterized by heterogeneous systemic manifestations. The most frequent clinical manifestations of the disease are the bone with a long bone uptake on bone scintigraphy99Tc (Dion et al.

[Impact of low-dose CT in the diagnosis and treatment of renal colic in emergency department].

Objective: To evaluate the diagnostic performance and the benefit in terms of management of low-dose CT for the imaging assessment of renal colic (CN) emergencies.

Patients And Methods: Two hundred and ninety-one patients admitted to emergency for CN were included in this study. Eighty-seven had a low-dose CT and 40 an ASP and an ultrasound (ASPE).