Coexisting Innominate Vein Compression Syndrome and May-Thurner Syndrome

Sheng-Heng Tsai ^a, I-Chen Tsai ^{a, b}, Chung-Chi Wang ^c, Clayton Chi-Chang Chen ^{a, d}

^aDepartment of Radiology, Taichung Veterans General Hospital, Taichung, Taiwan
^bInstitute of Clinical Medicine, National Yang Ming University, Taipei, Taiwan
^cCardiovascular Center, Taichung Veterans General Hospital, Taichung, Taiwan
^dDepartment of Radiological Technology, Central Taiwan University of Science and Technology, Taichung, Taiwan

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Abstract

Innominate vein compression syndrome and May-Thurner syndrome (also called iliac vein compression syndrome) are venous compression syndromes caused by normal anatomic structures. Here, we present a case in which these two conditions were found in the same patient using multidetector row computed tomography. This case is significant for two reasons: (1) it is, to the best of our knowledge, the first case study in the literature to report coexisting innominate vein compression syndrome and May-Thurner syndrome; and (2) it shows that multidetector row computed tomography has powerful diagnostic ability for venous diseases.

Keywords

Brachiocephalic vein; Computed tomography; Iliac vein; Innominate vein; Multidetector row CT