Patent Document ID: 7961921
Application ID: 11236353
Patent Status: 1

Claim One:
1. A system for medical diagnosis and tracking, comprising: at least one medical imaging device adapted to create at least one current image from a current examination; a historical images archive adapted to storing at least one of: said at least one current image, and at least one historical image from a previous examination; a rules engine adapted to apply at least one rule to select at least one historical image for three-dimensional subtraction with said at least one current image; a three-dimensional subtraction application adapted to create at least one three-dimensional subtracted image by performing three-dimensional subtraction on said at least one current image and said at least one historical image, wherein said at least one current image and said at least one historical image do not contain contrast; and a Picture Archiving Communication System (PACS) workstation adapted to display said at least one three-dimensional subtracted image.