[Paresthesia, pain, coldness of the arm and possible responsibility of the thoraco-brachial outlet syndrome].

Paresthesia, pain and coldness of the upper limb strongly suggest ischemia. The questions raised concern the etiology and treatment. 1) Treatment is based on confirmation of the unilateral nature of the disorder requiring search for the a locoregional cause (examination of the subclavian outlet) and on elimination of a cardiac or general origin.

[Aortic aneurysms due to Yersinia enterocolitica: three new cases and a review of the literature].

We report three cases of mycotic aortic aneurysms due to Yersinia enterocolitica. In all cases, serogroups are O:9. The three patients more than 70 year-old men with immunodeficiency underlying conditions allowing bacterial graft (neoplasia, diabetes mellitus, dysimmunitary syndrome, hematologic diseases).

[Retroperitoneal Castelman disease. Apropos of a new case].

A retroperitoneal localization of Castleman's disease was characterized by angiolymphoid hyperplasia. This rare disease (58 cases of abdominal localization reported to date) raises a question of nosology. The clinical features are not specific.