Phantom calyx

Dr Dan J Bell and A.Prof Frank Gaillard et al.

A phantom calyx is a solitary calyx which fails to opacify with contrast amidst an otherwise well-opacified pelvicalyceal system. It is due to an intrarenal process which has infiltrated and caused obliteration of the involved collecting system element.

It may be seen in:

If the calyx is dilated and filled with tumour (but still visible) then it is referred to as an oncocalyx.

Share article

Article information

rID: 9844
System: Urogenital
Section: Signs
Tags: kidney, refs
Synonyms or Alternate Spellings:
  • Phantom calyces
  • Phantom calix
  • Phantom calices

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.