Renal Ghost Artifact or Lesion ?

Renal Ghost Artifact or Lesion ?

Patient is a clinically normal (BAR with good appetite) 12 YO FS Chihuahua with dark orange colored urine (bilirubin)  and a normal size/shape gall bladder containing a moderate degree of suspended unorganized sludge.  History of several episodes of UTI which responded to antibiotics.  The orange urine is what brought this dog in to the rDVM….