A reamer (58) for reaming a proximal portion (62) of a cavity (10) for use in implanting a joint prosthesis (62) cooperates with a proximal portion of an orthopaedic implant component. The reamer includes a body (66) defining a cavity (68) formed therein for receiving at least a portion of the orthopaedic implant component. The reamer also includes a plurality of cutting edges (70) extending outwardly from the body. The edges are adapted for cooperation with bone. The reamer also includes a stem (72) extending from an end of the body.