<prompt> Radio pharmaceutical used for phagocyte study scan:-Sulfur colloid scanThallium 201Technetium peechnetate scanMDP scan  <response>: - Tc99m-Sulfur Colloid:- Taken up by 1. Phagocytes2. Reticulo endothelial cells Used to evaluate:1. Occult abscess2. Splenic diseases3. Focal Nodular hyperplasia- Kupffer cells - Hot uptake4. Fibrolamellar variant HCC - No Kupffer cells-Cold uptake 