Preferred Label : Medusa head sign;
RADLEX synonyms : palm tree sign; caput medusae sign;
Definition : Small veins radially arranged around and drain into a larger vein on an MR image of
the head, typically in the juxtacortical and periventricular zones of the frontal
and parietal lobes. Suggests developmental venous anomaly.;
Source : Chavhan GB, Shroff MM. Twenty classic signs in neuroradiology: A pictorial essay.
Indian J Radiol Imaging 2009;19:135-48;
Origin ID : RID35367;
Associated condition(s)
- Automatic exact mappings (from CISMeF team)
Small veins radially arranged around and drain into a larger vein on an MR image of
the head, typically in the juxtacortical and periventricular zones of the frontal
and parietal lobes. Suggests developmental venous anomaly.
