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Endometriosis involving the digestive tract accounts for 1% of all cases of the disease. There is a marked predominance in the recto-sigmoid and terminal ileal loops. Symptomatology is dominated by disturbances in intestinal transit, sub-occlusion or acute obstruction, pain worsening at the time of menstruation and by a haemorrhagic rectal discharge again accompanying menstruation. Apart from classical aetiopathogenic theories such as grafting onto the digestive tract by tubal, lymph vessel or venous propagation, it would appear that prostaglandins and in particular a change in the (formula; see text) ratio may play a large role. Operative resection of localised stenosis combined with oophorectomy, if the latter is possible in view of the patient's age, or prolonged medical treatment with progestational agents or even better Danazol results in cure and avoids recurrences.

The authors report a case of blunt traumatic rupture of the right ventricle, diagnosed during a laparotomy. Similar cases were seldom met: too short a time of spontaneous survival, and difficult challenging diagnosis explain it.

Two subgroups in Natali and Thevenet's stage 0 class of asymptomatic diseases are defined. True asymptomatic affections occur in patients with neurologically asymptomatic carotid lesions. The natural history of these diseases when compared with results after surgery is in favor of preventive operative therapy. False asymptomatic affections are seen in patients who, after previous operations for symptomatic carotid lesions, present a lesion on the controlateral carotid which until then had been neurologically silent. The natural history of this group shows that immediate definitive cerebral accidents are rare and that life expectancy is low. In contrast, the course after repeat surgery, the present data being the first to be published, appears to be rather unfavorable. Careful selection of patients in this subgroup is therefore necessary when considering surgical treatment.