1. A method of performing computer aided examination of digital medical images, comprising: determining a patient exam type of a digital medical image; based on the patient exam type, invoking one or more of a plurality of knowledge based anatomical segmentation blocks, each block performing image segmentation for a single organ or organ system present in the image; and based on the patient exam type, for each successfully segmented organ or organ system, invoking one or more of a plurality of knowledge based computer aided detection blocks, each block of which is designed to search for and locate potential disease loci in a particular organ or organ systems, wherein the results from the previous blocks are reported to results reporting blocks suitable for each of the specific organ or organ system in view, for interpretation of the results.