From the case: Nephroblastomatosis
Study one year later
Axial MRI at I year- Pre and Post contrast MRI at a follow up study 1 year from initial presentation which demonstrates multiple hypointense nodules in both kidneys have increased in size as described above. Left lower pole lesion shows faint internal and peripheral enhancement. Findings are concerning for malignant transformation of the previously identified perilobar nephrogenic rests.