Alterations in anorectal function after anterior resection for cancer of the rectum.

We have evaluated by means of a clinical and functional study the alterations in anorectal function of a group of 50 consecutive patients who have undergone an anterior resection of the rectum. Results are correlated with the anastomosis location and the time passed after the operation. According to research data this operation changes the patient's defaecation habits and the manometric and radiological parameters of anorectal function.

[Lower gastrointestinal hemorrhage caused by jejunal leiomyoblastoma].

A patient with a jejunal leiomyoblastoma presented with lower gastrointestinal haemorrhage, a most unusual occurrence according to the literature. The provisional diagnosis was made by arteriography and confirmed pathologically. The characteristics of these tumours are analyzed and the management discussed.

[Gastric lipoma: an infrequent cause of upper digestive hemorrhage].

The authors report a case of gastric lipoma which was discovered because of severe upper gastrointestinal bleeding. The entity is seldom reported in the literature; only 17 cases have been reported in our country. The diagnostic possibilities are analyzed.