Preferred Label : spiral sign;
Definition : Several rings of contrast around membranous urethra near the external sphincter in
a voiding urethrogram of a male with spinal cord injury. Suggests iatrogenic urethral
trauma and submucosal extravasation.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35568;
Associated condition(s)
Several rings of contrast around membranous urethra near the external sphincter in
a voiding urethrogram of a male with spinal cord injury. Suggests iatrogenic urethral
trauma and submucosal extravasation.
