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A new self-restraining table-fixed abdominal retractor, thought up and built by Dr. Bonini, is described. This retractor is easy to construct and use and is recommended whenever very good exposure of the diaphragmatic vault and the supramesocolic area is required.

While endemic T.B. is undoubtedly receding, sources of infection are still widespread and knowledge of the pathology of the bacillus is still required. A short account of tracheobroncheal lymphadenopathy is accompanied by radiological illustration of personal cases treated without hospitalisation.

1654 cases of tumour of the digestive tube operated on in the Department of General Clinical Surgery and Surgical Therapy of the University of Pavia, during the period 2nd half 1964--1st half 1977, have been considered. Four primary tumours (1 leiomyoma, 2 adenocarcinomas, 1 reticulosarcoma) and one secondary tumour (metastases of retroperitoneal sarcoma) occurred in the jejunum and their pathology is examined from the etiopathogenetic and anatomoclinical viewpoints.

Peritonitis encapsulans is a clinical interest on account of its rarity and the diagnostic difficulties caused by its aspecific symptomatology. A personal case is presented and its ambiguous clinical and instrumental picture is discussed. Diagnosis was finally obtained intraoperatively, after repeated episodes of mechanical ileus had made surgery mandatory.