CT visualization of posterior vertebral veins: a sign of vena caval obstruction.
In computerized tomography of the chest and abdomen in children, visualization of veins in the paravertebral musculature is indicative of superior inferior vena caval obstruction. This collateral circulation, while not a constant feature of vena caval obstruction, is not seen in normal children.
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D000293:Adolescent; D002675:Child, Preschool; D003097:Collateral Circulation; D005260:Female; D006801:Humans; D008161:Lumbosacral Region; D008297:Male; D009132:Muscles / Q000098:blood supply*; D010690:Phlebography; D013479:Superior Vena Cava Syndrome / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed