Radio pharmaceutical used for phagocyte study scan:-: (A) Sulfur colloid scan, (B) Thallium 201, (C) Technetium peechnetate scan, (D) MDP scan
Answer is A. - 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