Method and system of computer-aided quantitative and...

A - Human Necessities – 61 – B

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A61B 5/055 (2006.01) A61B 6/00 (2006.01) A61B 6/03 (2006.01) A61B 8/08 (2006.01) G01R 33/465 (2006.01) G01T 1/164 (2006.01) G06T 7/00 (2006.01)

Patent

CA 2629727

A system and method of computer aided analysis of medical images and detection of malignant lesions is described. Medical images obtained from multiple modalities are analyzed. Morphological features as well as temporal, i.e., kinetics features, are combined to compute a consolidated assessment of a possible lesion detected in the medical images. The system includes at least one kinetics module, which is capable of extracting kinetics features from a time sequence of MRI images or MRS data taken after administering a contrast enhancement agent to a patient. The consolidated assessment is presented to a user for confirmation or modification.

La présente invention concerne un système et un procédé d'analyse assistée par ordinateur d'images médicales et de détection de lésions malignes. Des images médicales obtenues à partir de plusieurs modalités sont analysées. Des caractéristiques morphologiques et des caractéristiques temporelles, par exemple cinétiques, sont combinées afin de calculer une évaluation globale d'une éventuelle lésion détectée dans les images médicales. Le système comprend au moins un module cinétique qui peut extraire des caractéristiques cinétiques d'une séquence temporelle d'images d'IRM ou de données de spectroscopie RMN prises après administration d'un agent d'amélioration de contraste à un patient. L'évaluation globale est présentée à un utilisateur pour une confirmation ou une modification.

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