Serpiginous Mass

A descriptive term for widely distributed, smoothly marginated, low-signal-intensity masses infiltrating regional muscles and subcutaneous tissues, seen by MRI, which display high signal intensity on T2-weighted images and enhanced uniformity following IV administration of gadolinium contrast
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References in periodicals archive ?
(7) On CT, the findings include a serpiginous mass or nodule with one or more enlarged feeding arteries and one or more draining veins (depending on whether the malformation is simple or complex).
Likewise, a serpiginous mass may be seen with connections to vascular structures.