A dual modality CT/MRI integrated system for the diagnosis of acute strokes and treating a patient and methods thereof. The method includes: immobilizing a patient or a portion thereof to a support accommodating the patient or portion thereof in a CT device scanning the same placing the patient or portion thereof within an MRI device and imaging the same such that the orientation of the patient or portion thereof in the CT scanning and the MRI imaging is identical or at least spatially (2D or 3D) retrievable.