May-Thurner syndrome is the result of compression of the left common iliac vein between the right common iliac artery and the overlying vertebrae. In this case report, we describe an 11-year-old boy presenting with swelling of the left lower extremity. An iliac MR venography showed compression of the left proximal iliac vein between the vertebra and the left iliac artery. In surgery, it was seen that the left common iliac vein was connected to the postero-inferior part of the inferior vena cava, and it was compressed between the right common iliac artery and the columna vertebralis, which was inconsistent with the radiological findings. An interposition of the great saphenous vein graft between the left common iliac vein and the inferior vena cava was made, with a successful outcome. Our case is interesting in that it showed inconsistent findings between the radiological images and surgery.
BACKGROUND:The Low Profile Visible Intraluminal Support EVO (LVIS EVO) is a self-expandable braided stent, which was recently introduced for the treatment of intracranial aneurysms. Full visibility of the stent and a relatively high metal coverage ratio are the unique features of the LVIS EVO.OBJECTIVE:To assess the safety, efficacy, and midterm durability of LVIS EVO stent-assisted coiling for the treatment of wide-necked intracranial aneurysms.METHODS:The endovascular databases were reviewed to identify patients treated with LVIS EVO–assisted coiling. The technical success and immediate clinical/angiographic outcomes were assessed. Periprocedural and delayed complications were evaluated. The follow-up angiographic/clinical outcomes were investigated. The preprocedural/follow-up neurological statuses were assessed with the modified Rankin Scale.RESULTS:One hundred three aneurysms in 103 patients (63 females) with a mean age of 54.9 ± 11.3 years were included. The mean maximum sac diameter was 6.2 ± 2.9 mm. The procedural technical success rate was 100%. Immediate postprocedural angiography showed complete occlusion in 77.7%. The mean duration of the angiographic follow-up was 8.8 ± 3.6 months. Follow-up angiography showed complete aneurysm occlusion in 89% of the 82 patients with angiographic follow-up. Recanalization was observed in 7.3% of 82 patients. Two patients (2.4%) required retreatment. In addition, 8.7% of the patients had at least 1 complication, and 2.9% of the patients developed a permanent morbidity. All patients had mRS scores ≤2.CONCLUSION:The results of this study demonstrate that SAC with LVIS EVO is a relatively safe, efficient, and durable treatment for wide-necked and complex intracranial aneurysms.
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