All among the following radioisotope are used as permanent implant except:: (A) Iodine-125, (B) Palladium-103, (C) Gold-198, (D) Caesium-137
Answer is D. Caesium-137 is not used as permanent implant for Brachytherapy Permanent implants for brachytherapy Iodine-125 Palladium-103 Gold-198 Caesium-131