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The authors report a case of a complete pancreatic neck rupture treated by conservative surgery. A pancreatic neck rupture was diagnosed on a CT scan performed 24 hours after an abdominal blunt trauma. The patient was treated by suture of the cephalic remnant and Roux-en-Y pancreaticojejunostomy on the left remnant. Postoperative course was uneventful and the patient did not develop diabetes with a 18-month follow-up. This conservative technique, rarely used for complete pancreatic neck rupture, allows preservation of the pancreatic endocrine function.

In 4 to 5% of cases, the cancer of large bowel is presented with a perforation in situ. The mortality rate in these conditions is high, and it is evaluated in the literature between 40 to 50% of cases. The authors present their experience with 7 consecutive patients, operated for this complication. In all cases, the tumour is excised: in 6 patients, terminal colostomy is realised while one patient only had a direct resection anastomosis. No per-operative mortality, was noted, and in four patients retauration of intestinal tract is realised, within 3 to 6 months latter. In our experience, the perforated tumour does not appear as a factor of immediate gravity.

Appendiceal mucoceles (AM) are rare lesions of the appendix, characterized by an accumulation of mucus. Two main pathogenic mechanisms may be invoked to explain their development. Firstly, AM are secondary to an obstruction of the appendiceal lumen for a wide variety of reasons. Secondly, they may be due to tumours of the appendix, whether malignant (cystadenocarcinomas) or benign (cystadenomas), responsible for a hypersecretion of mucus. Intraperitoneal mucinous effusion (IME) develops when appendiceal perforation occurs, especially with malignant AM. We found 13 retention AM and in most a definite obstructive lesion was present. There were 3 malignant AM, all associated with a neoplastic IME. While they are frequently described in the literature, no cystadenoma was observed in these series. Clinical symptoms are often confusing, but paraclinical investigations may lead to preoperative diagnosis. Appendectomy is the treatment of retention AM and cystadenoma. Their prognosis is related to other associated diseases, namely ovarian and colorectal tumours, but is otherwise good. Cystadenocarcinomas require a right hemicolectomy with evacuation of IME but their prognosis is poor.

25 patients were operated with Heller's procedure for achalasia of the esophagus. A study of their clinical, radiological, manopetric and pH-metric evolution was carried out over an average period of 75 months. While the long-term results were satisfactory in 80% of these patients, the poor results were essentially caused by the occurrence of gastroesophageal reflux. An objective study performed by manometry and pH-metry allowed evidencing true asymptomatic acid reflux. It is necessary to devise an anti-reflux valve if the myotomy reaches as far as the cardia.