Abnormal brain scan in Paget's disease of bone-confusion with subdural hematoma.

tale were performed on two patients with the clinical impression of subdural hematoma. In each the brain scan was compatible with that diagnosis. Skull radiographs and soft-tissue x-rays were normal. Cerebral arteniograms were also normal. Bone images with 9smTc@rophos. phate in conjunction with a clinical re-evaluation and persistent elevation of the serum alkaline phosphatase permitted the correct diagnosis of Paget's disease of bone.