Many radiopharmaceuticals use technetium-99m (Tc-99m) which has many useful properties as a gamma-emitting tracer nuclide. In ... indium (111In) altumomab pentetate. indium In 111 altumomab pentetate. See also[edit]. *Radioactive tracer ... the book Technetium a total of 31 different radiopharmaceuticals based on Tc-99m are listed for imaging and functional studies ... Leukoscan summary of product characteristics (Tc99m-Sulesomab).. *Schwochau, Klaus. Technetium. Wiley-VCH (2000). ISBN 3-527- ...