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KMID : 0982820080070010036
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Journal of Lung Cancer
2008 Volume.7 No. 1 p.36 ~ p.36
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May-Thurner Syndrome in Lung Cancer
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Chi Su-Young
Oh In-Jae
Kim Kyu-Sik
Kim Young-Chul
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Abstract
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May-Thurner syndrome is deep vein thrombosis (DVT) of the iliofemoral vein due to compression of the left common iliac vein (CIV) by the overlying right common iliac artery (CIA). In contrast to the right CIV, which ascends almost vertically to the inferior vena cava (IVC), the left CIV follows a more transverse course. Along this course, it underlies the right CIA, which may compress it against the lumbar spine. A 69-year-old man with squamous cell lung cancer presented with acute onset painful left leg swelling. He had been undergoing chemotherapy with gemcitabine and cisplatin as a 2nd line treatment after concurrent chemoradiation. Physical examination revealed left leg edema with tenderness and warmth. The D-dimer level was elevated and a lower extremity computed tomographic angiogram (CTA) showed a DVT involving the left infrapopliteal vein to the common iliac vein with collapsed junction between the CIV and IVC. Systemic anticoagulation with low molecular weight heparin (LMWH) and an IVC filter insertion was performed to prevent further thrombosis, such as a PTE. After IVC filter placement, mechanical thrombectomy was performed on the left femoral vein and left CIV. A vascular stent was then deployed in the left CIV. Left leg swelling seemed to be improved after heparinization, but he had a 2nd episode one week later. Therefore, he underwent a 2nd mechanical thrombectomy and stent deployment of the left external iliac vein. His leg swelling was gradually relieved. He has received LMWH for 3 months, and has received 2 cycles of pemetrexed followed by erlotinib.
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KEYWORD
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May-Thurner syndrome, Deep vein thrombosis, Lung cancer
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