Systems and methods for using generic anatomy models in surgical planning

A machine-readable storage medium including instructions that, when executed by a machine, cause the machine to:

• receive an abnormal bone representation, the abnormal bone representation including a data set representing an abnormal bone;
• receive a generic normal bone model, the generic normal bone model including a data set representing a normal bone having an anatomical origin comparable to the abnormal bone;
• register the generic normal bone model to the abnormal bone representation to create a registered generic model;
• identify one or more abnormal regions of the abnormal bone using a comparison between the registered generic model and the abnormal bone representation;
• and
• generate a surgical plan for altering a portion of the abnormal bone from the one or more abnormal regions.

A method for planning a surgery on an abnormal bone, comprising:

• receiving an abnormal bone representation, the abnormal bone representation including a data set representing the abnormal bone;
• receiving a generic normal bone model, the generic normal bone model including a data set representing a normal bone having an anatomical origin comparable to the abnormal bone;
• registering the generic normal bone model to the abnormal bone representation;
• detecting one or more abnormal regions of the abnormal bone using a comparison between the registered generic model and the abnormal bone representation;
• and
• generating a surgical plan for altering a portion of the abnormal bone from the one or more abnormal regions.

A method for planning a surgical alteration of a portion of a diseased femur, comprising:

• receiving one or more medical images of the diseased femur;
• receiving a statistical shape (SS) model of a normal femur using medical images of normal femurs from a group of subjects, the medical images of the normal femurs having modalities comparable to the one or more images of the diseased femur;
• registering the SS model to the one or more images of the diseased femur;
• identifying one or more abnormal regions of the diseased femur in response to a volumetric difference between the registered SS model and the one or more images of the diseased femur exceeding a specified threshold;
• and
• generating a surgical plan for altering the portion of the diseased femur, the surgical plan including data representing one or more of a volume, a shape, a location, or an orientation of the one or more abnormal regions in reference to the registered SS model, and instructions to guide a surgical tool in altering the portion of the abnormal bone.