Radiopharmaceutical used for the liver scan is: (A) Tc-99m sulphur colloid, (B) Tc-99m mebrofenin, (C) Tc-99m MIBI, (D) Tc-99m DTPA
Answer is A. Tc-99m sulphur colloid is used in liver scan.Tc-99m DTPA measurement of GFR.Tc99m-sestamibi is taken up by cells with a high concentration of mitochondria i.e. highly cellular/metabolically active tissues such as the hea but also abnormal tissues such as oxyphil cell parathyroid adenomas, myeloma and breast cancer.