Pseudoneoplastic xanthogranulomatous pyelonephritis. A typical clinical presentation but unusual diagnosis and treatment.

Xanthogranulomatous pyelonephritis is a rare disease that may mimic various renal lesions, especially renal tumors, in its focal form. We report a case of pseudoneoplastic xanthogranulomatous pyelonephritis in a young woman. This case is unusual, because it was diagnosed by a percutaneous renal puncture and furthermore total renal recovery was achieved by antibiotic treatment alone.

[Influence of kidney procurement techniques on urologic and vascular complications of the transplantation].

Surgical complications of renal transplantation, rejection and infectious diseases are factors contributing to poor renal graft survival. Factors directly concerning the donor can be involved in graft failure: age, medical history, causes of donor brain death. Urologic or arterial anatomic variations are often the source of difficult surgical conditions during renal transplantation.

[Nuclear magnetic resonance imaging in gynecology. An evaluation of its current applications].

The authors present a research carried out by the Universities of Essen, Tubingen (RFA) and Grenoble, France, on the use of magnetic resonance imaging (M.R.I.

[Straight azygos continuation of the inferior vena cava. Apropos of 3 cases using an NMR study].

Three patients with straight azygos vein continuation of inferior vena cava (IVC) were studied by nuclear magnetic resonance (NMR) imaging. In all three cases the diagnosis had been established previously by ultrasound and/or computed tomography imaging, but NMR images provided better anatomical precision of the venous anomaly : visualization of the total trajectory of the major azygos vein, the caliber of which can exceed that of aorta, and absence of retrohepatic segment of IVC but presence of a short supradiaphragmatic segment towards which converge the suprahepatic veins; anastomotic etwork between IVC and major azygos vein contributing to ensure continuity of venous drainage superior to its renal segment. The advantages of NMR are described and the precise diagnostic role of this new method of imaging in the diagnosis of this type of anomaly discussed.

[Magnetic resonance imaging with cardiac synchronization in chronic thrombosis of the main pulmonary arteries. Apropos of a case with computed x-ray tomographic correlation].

Results of nuclear magnetic resonance exploration in a patient with chronic thrombosis of main pulmonary arteries are used to outline an elementary semiology in agreement with current documented data. Signs observed relate to the thrombosis and showing of flow due to associated pulmonary artery hypertension. Cardiac synchronization is essential: obtaining 2 echos by the spin-echo technique allows differentiation of circulatory slowing phenomena, which provoke increased strength of 2nd echo, from the thrombus itself.