[Leiomyosarcoma of the mesentery. A case report and clinico-diagnostic considerations].

Leiomyosarcoma of the mesentery is a rare neoplasm. The clinical manifestation is non-specific and preoperative diagnosis is often late. Mitotic activity shows no significant correlation with the biological behavior of neoplasm.

[Colon volvulus].

The authors report a clinical case and review the international literature. After an analysis of the incidence and the predisposing factors causing this disorder, they focus attention on the question of therapy. In forms with vital loop non-surgical derotation must be attempted.

[Biliary ileus. Case report and therapeutic considerations].

The authors, after having described, a case of biliary ileus, analyse the principal pathogenetic aspects of the disease, and underline the diagnostic and therapeutic difficulties. They believe that the simple enterolithotomy represents, initially, the best therapy, in particular with patients in poor clinical conditions.

[Laparoscopic treatment of hepatic cysts].

Laparoscopic treatment of simple hepatic cysts is reported. Recent indications to conservative surgical treatment for this benign disease are considered and different therapeutic options are analyzed. Surgical technique adopted in two cases observed is illustrated.