[Serum vitamin D and metabolic risk factors in a group of Spanish schoolchildren].

Objective: To analyze the vitamin D status and its relationship with metabolic syndrome (MS) risk factors in a group of Spanish schoolchildren.

Material And Methods: A group of 314 Spanish schoolchildren (8-13 years old) from A Coruna, Barcelona, Madrid, Seville and Valencia were studied. Anthropometric data on weight, height, waist and hip circumferences, and triceps skinfold, as well as blood pressure data were collected.

Lessons from 52 patients with leydig cell tumor of the testis: the GUONE (North-Eastern Uro-Oncological Group, Italy) experience.

Introduction: The goal of the study was to define treatment rules for the uncommon, rarely (10%) malignant and chemorefractory Leydig cell tumors (LCT) of the testis.

Methods: The main clinical data of patients treated in centers affiliated to the GUONE (North-Eastern Uro-Oncological Group, Italy) were reviewed. We considered 52 patients (54 tumors, 2 bilateral) whose ages ranged from 13 to 70 years (mean 36).