Preferred Label : ring sign of adrenal;
RADLEX synonyms : adrenal ring sign;
Definition : Dense ring of contrast around a central avascular lucent mass near the upper pole
of the kidney, most visible on the capillary or venous phase of an angiogram. Suggests
pheochromocytoma.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35496;
Associated condition(s)
Dense ring of contrast around a central avascular lucent mass near the upper pole
of the kidney, most visible on the capillary or venous phase of an angiogram. Suggests
pheochromocytoma.
