The invention relates to a method for planning a surgical intervention comprising the implantation of an implant in a patients anatomical structure, comprising:computing at least one pseudo-radiographic image from a 3D image of the anatomical structure, said pseudo-radiographic image being a 2D image wherein each pixel integrates the information of the 3D image along a determined direction of integration, said determined direction of integration depending on the planned position of the implant with respect to the anatomical structuredisplaying said at least one pseudo-radiographic image on a display unitdisplaying a representation of the implant on said pseudo-radiographic imageupdating the pseudo-radiographic image and/or the representation of the implant when the position of the implant is modified.
