La myosite ossifiante circonscrite (MOC) est une pathologie rare caractérisée par une ossification hétérotopique non tumorale des tissus mous. C'est une pathologie du sujet jeune, survenant le plus souvent après un traumatisme. Sa localisation est ubiquitaire, prédominante au niveau des ceintures et des membres. Nous rapportons l'observation d'une jeune patiente présentant une MOC paravertébrale sans contexte traumatique, dans le but de rappeler les critères diagnostics et les aspects en imagerie.
Introduction: An aneurysm is defined as a focal dilatation of a blood vessel involving all three layers of the vessel wall. Behçet's disease is responsible for inflammation of the pulmonary arteries and may conduce to an aneurysm. Fifteen percent of patients with Behçet's disease suffer from vascular involvement that includes pulmonary arteries, peripheral and central veins, peripheral and large arteries. The most common manifestation is the deep venous thrombosis (DVT) around 87%; on the other hand the involvement of the pulmonary arteries reaches 10% of the patients. Case Report: We expose the case of a 31-year-old man, who consulted in emergency for hemoptysis that led to the performance of bronchoscopy and a bronchoalveolar lavage. To enrich the case, a thoracic computed tomography (CT) with and without enhancement and a magnetic resonance imaging (MRI) were conducted. The MRI demonstrated bilateral pseudoaneurysms of the pulmonary artery. The treatment was based on corticotherapy and hemostatic. No complications were noted in follow-up exams.
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