The present invention provides an implant (1) comprising a hollow body (2) having an opening (8), the body (2) having an inner (3) and an outer (4) surface, wherein the inner surface (3) of the body (2) has a surface structure (9) that enables bone in-growth. The present invention also provides a method of implantation, comprising: preparing a resected bone with an optional cavity in the bone canal; providing such an implant (1); and implanting the implant.