Two cases of cystic adventitial disease treated at our institution over the last year are presented. They were middle-aged and apparently healthy patients, and the symptoms begin with a sudden onset of unilateral claudication. After performing a magnetic resonance angiography, a cystic formation attached to the adventitia of the popliteal artery was identified. Both patients were treated in the same manner, with resection of the affected arterial segment and vein bypass interposition. Both remain asymptomatic after one year of follow-up in one case and six months in the other. Cystic adventitial disease is a rare entity, which presents in patients without cardiovascular risk factors, so sometimes it takes long to reach a definitive diagnosis. Concerning the different treatment options, cyst excision together with the affected arterial segment seems to offer better mid- and long-term results when compared with other treatment options such as cyst aspiration or endovascular techniques, although there are no multicenter trials evidencing the superiority of one against the others.

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We present the case of an 85-year-old woman with acute diverticulosis who underwent abdominal computed tomography (CT). The CT incidentally revealed a giant splenic aneurysm (127 × 125 mm) (Panel A). Selective angiography was performed to demonstrate aneurysm permeability, which confirmed active inflow (Panel B). Consequently, a 10 × 7 mm Amplatzer Vascular Plug was placed into the splenic artery to embolize the aneurysm (Panel C) with no intra or postoperative complications. Abdominal CT performed 3 weeks after the intervention documented complete thrombosis of the aneurysm (Panel D).Splenic artery aneurysms are the third most common after aortic and iliac artery aneurysms. They are more commonly reported in female patients (ratio 4:1); however, rupture risk is greater in men. Usually they appear within the distal splenic artery and their diameter is no larger than 3 cm. Portal hypertension, cirrhosis, pregnancy, and hepatic transplant are the most important etiological risk factors. Usually asymptomatic, most of them are incidentally diagnosed. Endovascular treatment has better short-term results and lower perioperative

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