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Case Reports in Surgery
Volume 2015, Article ID 637067, 3 pages
Case Report

Congenital Agenesis of the Internal Jugular Vein: An Extremely Rare Anomaly

1Department of Plastic and Reconstructive Surgery, Izmir University, 35000 Izmir, Turkey
2Department of Head and Neck Surgery, Ekol ENT Hospital, 35000 Izmir, Turkey
3Department of Head and Neck Surgery, Ataturk Training and Research Hospital, 35000 Izmir, Turkey

Received 1 October 2014; Accepted 9 February 2015

Academic Editor: Alexander R. Novotny

Copyright © 2015 Oguz Kayiran et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Vascular anomalies of major venous vessels are rarely seen. Moreover, congenital absence of internal jugular vein is extremely uncommon. In our case, a female patient presented with primary unknown left cervical mass. Cervical ultrasonography demonstrated absence of right internal jugular vein. In addition, computed tomography and dynamic magnetic resonance imaging scans confirmed this diagnosis. Compensatory left internal jugular vein enlargement mimicked sort of cervical mass. Venous magnetic resonance imaging images revealed the absence of right internal jugular vein with compensatory left internal jugular vein dominance. In the literature, the agenesis of IJV was mentioned in a case with concomitant multiple problems. Here, an asymptomatic case is reported with an incident diagnosis. No interventions were planned upon the patient's request. It should be kept in mind that any kind of anomalies can be seen during venous access and neck surgery.