(Fig. 2.11a)
MRI Kidenys (Normal)
Axial T1-weighted sequence demonstrating hypointensity of the renal
parenchyma. The perinephric fat is hyperintense and easily demarkated
from the adjacent renal cortex. The renal sinus fat is hyperintense as
well.
(Fig. 2.11b)
MR urography (obstruction)
Bilateral hydroureteronephrosis in a patient with 4.8 mg/dl serum
creatinine (IVU is not feasible). Note the hypointense ureteric
stone bilaterally (arrows).