Light bulb sign (pheochromocytoma)

The light bulb sign of an adrenal pheochromocytoma is MRI feature of this tumour. This refers to marked hyperintensity seen on T2 weighted sequences however this finding is neither sensitive nor specific and pheochromocytomas are more often heterogeneous with intermediate or high T2 signal intensity.

See also

Share article

Article Information

rID: 26224
Section: Signs
Tags: refs, cases pm
Synonyms or Alternate Spellings:
  • Light bulb sign - adrenal pheochromocytomas
  • Light bulb sign of adrenal pheochromocytoma
  • Light bulb sign of adrenal pheochromocytomas
  • Light bulb sign of an adrenal pheochromocytoma

Support Radiopaedia and see fewer ads

Updating… Please wait.
Loadinganimation

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.