Two cases of Parsonage-Turner syndrome are presented. The clinical presentation and MRI characteristics are discussed.
Abstract Abstract: Superior mesenteric artery spontaneous disection is a very rare condition. The pathogenesis is not clear yet. It is believed to be caused by cystic necrosis of the media, fibromuscular displasia, abdominal trauma, arterial hypertension, and atherosclerosis.The form of presentation of this disease is manifested as abdominal pain or hypovolemic shock, secondary to rupture of the dissected artery.Althorugh the gold standard diagnosis is angiography, definitive diagnosis can be made by Computed Tomography.This is a case report of a 45 year old male who came to the Urgency Service because of acute abdominal pain. CT scan was read as SMA dissection. Key words Key words Key words Key words Key words: Mesenteric artery, CT. Resumen Resumen ResumenResumen Resumen: La disección espontánea de la arteria mesentérica superior es una condición muy poco frecuente. Su etiopatogenia es aún desconocida. Se postula como causa entre otras necrosis quística de la túnica media, displasia fibromuscular, trauma abdominal cerrado, hipertensión arterial y ateroesclerosis.Su forma de presentación en la mayoría de los casos corresponde a dolor abdominal intenso o shock hipovolémico secundario a rotura de la arteria disecada.El método diagnóstico de mayor rendimiento es la angiografía, la que además permite efectuar procedimientos terapéuticos. En muchos casos, sin embargo se puede realizar un diagnóstico definitivo mediante tomografía computada (angioTac), que permite obtener contraste adecuado a nivel de la arteria mesentérica superior.Se presenta el caso de un paciente de sexo masculino, 45 años, que ingresa al Servicio de Urgencia por un cuadro de dolor abdominal difuso. Se realiza una tomografía axial computada (TAC) demostrando este diagnóstico.
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