<prompt> Radioisotope of choice for Triple phase Bone scan?Tc99m-SestamibiTc99m-PertectinateTc99m-Methyl diphosphonateTc99m-Thallium201 subtraction  <response>: Ans. C. Tc99m-Methyl diphosphonatea. Tc99m-Sestamibi: Parathyroid scanb. Tc99m-Pertectinate: Meckels diverticulum, Salivary gland scintigraphy and Thyroid scan.c. Tc99m-Methyl diphosphonate: Bone scand. Tc99m-Thallium201 subtraction: Second choice for detecting parathyroid adenomas. 