Hypercalcemia associated with malignancy is rare in children. We repor
t a case of hypercalcemia associated with ovarian dysgerminoma in a 13
-year-old girl with renal medullary calcinosis and vascular calcificat
ions, To our knowledge this is the first report of the imaging finding
s in this condition and only the fourth case report of hypercalcemia a
ssociated with dysgerminoma.