KMID : 1103720220830040846
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Journal of the Korean Society of Radiology 2022 Volume.83 No. 4 p.846 ~ p.860
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Pictorial Essay: Understanding of Persistent Left Superior Vena Cava and Its Differential Diagnosis
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Jeong Eo-Ram
Kang Eun-Ju Jeun Joo-Hee
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Abstract
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Persistent left superior vena cava (PLSVC) is a rare congenital, thoracic, and vascular anomaly. Although PLSVCs generally do not have a hemodynamic effect, several types of PLSVC and some cardiac anomalies may manifest with clinical symptoms. The presence of PLSVC can render catheterization via left subclavian access difficult when placing a pacemaker or central venous catheter. As such, recognizing a PLSVC that is typically incidentally discovered can prevent complications such as vascular injury. Differentiating vessels found in a similar location as PLSVC is necessary when performing thoracic vascular procedures. This pictorial essay explains the multi-detector CT findings of a PLSVC, and provides a summary of other blood vessels that require differentiation during thoracic vascular procedures.
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KEYWORD
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Persistent Left Superior Vena Cava, Cardiovascular Abnormalities, Differential Diagnosis, Computed Tomography, X-Ray
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