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
References in periodicals archive ?
Likewise, a serpiginous mass may be seen with connections to vascular structures.
Transthoracic echo showed a large highly mobile serpiginous mass in the right atrium.