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Acute mesenteric ischemia is a life-threatening disease that can be managed by surgery or endovascular therapy. Endovascular therapy shows great efficacy and good clinical outcomes even in technically demanding interventions, and it can become an alternative to surgery. After the revascularisation of mesenteric arteries, we should take into account the risk of reperfusion injury with systemic inflammatory response syndrome and worse clinical outcomes. We present a case of acute embolic mesenteric ischemia associated with acute left external iliac artery occlusion due to poorly anticoagulated atrial fibrillation, treated by a complex multiple stent-based angioplasty.

Mediastinum is a complex area with lots of organs interconnected anatomically and functionally. The most common causes of anterior mediastinal mass include the following: thymoma; teratoma; thyroid disease; and lymphoma. Masses of the middle mediastinum are typically congenital cysts, including foregut and pericardial cysts, while those that arise in the posterior mediastinum are often neurogenic tumors. Almost 4/5 of mediastinal tumors are benign, but the most highly risk of malignancies is for thymic tumors (up to 50%). Gold standard for mediastial tumor diagnosis is computerized tomography (CT) with or without intravenous (i.v.) contrast substance. We present you a case of a young caucasian man, recently diagnosticated with myasteniagravis, that had a CT scan and discovered a mediastinal tumor, probably a thymoma. Surprisingly in operation, the tumor was invasive, with a high tendency of bleeding, and probably malignant. A paliative operation was carried out, a prosthetic bypass from left venous brahiocefalic trunk to superior vena cava (SVC). The patient had an uneventful recovery period and was discharged after 7 days. The pathology finding was atypical lipomatous tumor, a liposarcoma. Invasive mediastinal tumors have a very poor prognosis, but this tumor located in mediastinum is very rare, so unfortunely aren't many data about it, and estimated survival for this patient. [ABSTRACT FROM AUTHOR]