“…As a consequence of the wide acceptance of radiolabelled colloids in SN operations and the fact that the technique is evolving not only in melanoma and breast cancer but also in several other types of cancer such as gastrointestinal cancer, head and neck cancer, vulvar, penile and prostate cancer (Akduman et al, 2001;von Buchwald et al, 2002;Kitagawa & Kitajima, 2002;Kudo et al, 2002;de Hullu & van der Zee, 2003;Pitman et al, 2003;Wawroschek et al, 2003), there is an increasing need of information about the radiation exposure to staff groups involved. The aim of this study was to gain information about the radiation exposure to different staff groups involved in breast cancer operations.…”