RADIOACTIVE DIAGNOSTIC AGENT AND NON-RADIOACTIVE CARRIER THEREFOR

摘要

A radioactive diagnostic agent for bone scanning, which comprises 99mTc and a non-radioactive carrier comprising (A) at least one chosen from methanehydroxydiphosphonic acid and their salts and (B) at least one reducing agent for pertechnetates in a weight ratio of about 1:1 to 7:1 and prevents the accumulation of radioactivity in liver so that definite diagnosis can be assured.