Aneurysms and pseudoaneurysms of the superior mesenteric artery are potentially lethal and should be treated as urgently as possible. In a 52-year-old man with occasional epigastric pain, we accidentally discovered a superior mesenteric artery aneurysm that was ruptured with spontaneous tamponade in the uncinate process and in the head of the pancreas. The ruptured aneurysm had a heterogeneous appearance due to its thrombotic and hemorrhagic content, and it simulated a voluminous mass in the head and uncinate process of the pancreas, associated with mild dilatation of the main pancreatic duct. Recent advances in multidetector computed tomography and magnetic resonance imaging have enabled radiologists to develop a correct diagnosis of mesenteric aneurysms and pseudoaneurysms of the visceral branches of the abdominal aorta, and to differentiate this diagnosis from that of pancreatic or peripancreatic masses; angiography is currently used to confirm a diagnosis and to develop therapeutic treatments.

Utilisation des dispositifs nanotechnologiques dans les pathologies dégénératives cérébrales Étude prospective sur 28 patients atteints de sclérose en plaques The use of nano-technological devices in degenerative cerebral pathologies Perspective study on 28 patients with multiple sclerosis

To achieve a good exposure of coronary arteries, the singlesuture<br />technique allows a good exposure of the circumflex<br />territory. This suture may injure the organs situated behind<br />the pericardium. We suggest placing a single suture of silk in<br />the oblique sinus to allow a good elevation of the posterior<br />pericardium before placing the single suture. This simple and<br />inexpensive method avoids any damage to the structures<br />behind the pericardium.

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