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KMID : 0383820130750050210
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Tuberculosis and Respiratory Diseases
2013 Volume.75 No. 5 p.210 ~ p.213
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An Unusual Case of Superior Vena Cava Syndrome Caused by the Intravascular Invasion of an Invasive Thymoma
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Kim Hyung-Joon
Cho Sun-Young
Cho Woo-Hee
Lee Do-Hyun
Lim Do-Hyoung
Seo Pil-Won
Park Mi-Hyun
Lee Won-Ae
Lee Jai-Hyuen
Kim Doh-Hyung
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Abstract
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Superior vena cava syndrome (SVCS) is usually caused by extrinsic compression or invasion of the superior vena cava (SVC) by malignant tumors involving mediastinal structures. Although thymomas are well-known causes of SVCS, cases of SVCS caused by malignant thymomas protruding into adjacent vessels draining the SVC with thrombosis have been very rarely reported worldwide. We experienced a 39-year-old female patient with SVCS that developed after the direct invasion of the left brachiocephalic vein (LBCV) and SVC by an anterior mediastinal mass with a high maximum standardized uptake value on the chest computed tomography (CT) and positron emission tomography-CT. Based on these results, she underwent en bloc resection of the tumor, including removal of the involved vessels, and was eventually diagnosed as having a type B2 thymoma permeating into the LBCV and SVC. We present this case as a very rare form of SVCS caused by an invasive thymoma.
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KEYWORD
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Thymoma, Superior Vena Cava Syndrome, Positron-Emission Tomography
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