Drs Cynthia Doerr and Nigel Stevenson presented data at the Canadian Association of Nuclear Medicine 2019 Annual Meeting on February 8, 2019. Drs Doerr and Stevenson presented a 45-minute Sunrise Symposium entitled “Sn-117m Homogeneous Colloid: A New Therapeutic Agent in Canada”, and Dr Doerr presented an abstract entitled “Misadministration of Sn-117m colloid during radiosynoviorthesis presents no safety concerns”.