[Various types of small intestine occlusion. Case contribution].

The Authors examine retrospectively all the cases of obstruction of the small bowel operated at the surgical department of the Verbania Hospital in the last twenty years. The records of 341 cases, 1.4% of the total amount of the surgical operations carried out in the same space of time, were retrospectively reviewed.

[Acute lithiasic cholecystitis, situs viscerum inversus, vena porta preduodenale (considerations on a clinical case)].

Authors report a case of preduodenal portal vein in a woman 68 years old with acute cholecystitis in situs viscerum inversus adbominis and levocardia. Surgery was difficult. They shortly analyze also etiology and clinical manifestations of situs inversus and PPV, with related malformations.