Xanthogranulomatous pyelonephritis in children: conservative management.

Objectives: Three new cases of xanthogranulomatous pyelonephritis are described in children.

Methods: Laboratory examinations including white and red blood cell counts, erythrocyte sedimentation rate, renal function, urinalysis and cystography were performed.

Results: All of the patients had a palpable abdominal mass.

[Boix Ochoa's antireflux procedure returns patients to normalcy: 24 hour esophageal pH monitoring of 21 cases].

A great controversy exist concerning the surgical management of gastroesophageal reflux (GER). It is well known that Nissen procedure produces a hypercorrection of the gastroesophageal competency and often a "gas bloat syndrome". On the other hand, the Boix Ochoa's technique is more physiological but corrects GER allowing the persistence of a "radiological" reflux.

[Thymus in posterior mediastinum].

It is presented the clinical case of a mass of posterior mediastinum with diagnostic by C.T.Scan, and ratified by Pathologic Anatomy, as posterior prolongation of thymus.