Publications by authors named "Preynat P"

Background: The incidence of superficial vein thrombosis (SVT) in the general adult population remains unknown.

Objectives: To assess the annual diagnosis rate of symptomatic, objectively confirmed lower limb SVT, associated or not with concomitant deep vein thrombosis and/or symptomatic pulmonary embolism.

Methods/patients: We conducted, from November 14, 2011, to November 13, 2012, a multicenter, community-based study in the Saint-Etienne urban area, France, representing a population of 265 687 adult residents (according to the 2009 census).

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Anterior sacral meningocele is defined as a spinal fluid-filled thecal sac in the pelvis communicating with the spinal subarachnoid space through a defect in the anterior sacral wall. Since scimitar shape of the sacrum is characteristic, diagnosis is easily confirmed by echography and myelography. The sac very often contains benign tumors and a thickened filum terminale which can achieve a tethered cord syndrome.

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32 patients more than 75 years old had major surgical procedures for urologic neoplasms: radical nephrectomy for renal cell cancer (9 cases), nephroureterectomy for upper urinary tract tumor (3 cases), radical cystectomy for invasive bladder cancer (20 cases). Postoperative mortality was 12.5%.

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During a 3-year period 30 consecutive patients (20 women and 10 men) with primary ureteropelvic junction obstruction underwent open dismembered pyeloplasty associated with the placement of an indwelling double pigtail stent via antegrade approach. Renal stones were removed in 8 cases, multiple nephrotomies being necessary in 2 patients. 2 men had temporary urinary leakage.

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