in 43 patients with abnormal brain scans restudied within 2-7 days with 99mtc-labeled ethane-1 , hydroxy-1 , diphosphonate ( ehdp ) , cerebral infarctions , primary and metastatic neoplasms , chronic subdural hematoma , arteriovenous malformations and inflammatory lesions were visualized .
C0012544
diphosphonate
C0086268
ehdp