[Abnormal sweat test in patient with Diabetes Insipidus unresponsive to ADH]. / Teste do suor anormal em paciente com Diabetes Insipidus resistente ao hormônio antidiurético.

Increased sweat concentrations (92, 76 and 80 mEq/l) were observed in a 7-year-old boy with pitressin-resistant diabetes insipidus. All previous observations of elevated sweat electrolytes in diabetes insipidus have been in infants less than 10 months of age. The sweat test is an exceptionally reliable, sensitive and specific test for the diagnosis of Cystic Fibrosis. Pitressin-resistant diabetes insipidus is one of the diseases associated with elevated sweat test results.

[Umbilical endometriosis: report of a case and review of the literature]. / Endometriosi ombelicale: presentazione di un caso e revisione della letteratura.

The authors present a clinical of umbilical endometriosis in a young woman. This patient never underwent any operation or diagnostic abdominal procedures. The case is very interesting because of problems concerning differential diagnosis with other umbilical and periumbilical diseases and pathogenetic theories. In this study the authors suggest a hypothesis to explain the localization of ectopic endometrium in this site. We review the literature, with some comments on therapeutic options; finally we compare the medical and the surgical approach and we suggest an advisable therapy.

[Etiopathogenic, diagnostic and therapeutic problems apropos of 2 observations of acute acalculous cholecystitis]. / Problematiche eziopatogenetiche, diagnostiche e terapeutiche a proposito di due osservazioni di colecistite acuta alitiasica.

The acute acalculous cholecystitis (A.A.C.) is a disease with high rates of morbidity and mortality and risk and promoting factors are very important. Pathogenesis has not completely explained, diagnosis is difficult, and there is no agreement on the more effective therapy. The authors present two cases of A.A.C. and one case of not true A.A.C., discuss them and conclude: 1. Parietal ischemia of gallbladder is the most important factor in the pathogenesis. 2. No many diagnostic procedures are necessary if one stress patient's history and clinical findings. 3. The emergency cholecystectomy is the best effective therapeutic procedure and only in selected cases the not invasive procedures are usefull.