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CT SCAN,CTA AND MRI AT NEUROHOSPITAL,BIRATNAGAR. Dr. Roshan Koirala MBBS,MD. TOSHIBA –ACTIVION 16. Recent changes-----. Toshiba 16 slice scanning system: Fast advanced technique with 3 steps Ready-Set-Go……………. 1.ready-select the scan region 2.Set- perform scan planning
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CT SCAN,CTA AND MRI AT NEUROHOSPITAL,BIRATNAGAR Dr. Roshan Koirala MBBS,MD
Recent changes----- • Toshiba 16 slice scanning system: Fast advanced technique with 3 steps • Ready-Set-Go……………. • 1.ready-select the scan region • 2.Set- perform scan planning • 3.Go- start scanning
Performance- • General CT scan-Head neck abdomen chest • Bone –e.g.. spine leg- 3D reconstruction • CTA-Brain ,periphery • Virtual bronchoscopy • Virtual colonoscopy • Endoscopic view of the arteries • CT-IVU • CT-diffusion imaging-CVA cases(Infarction)
Advantages of CT scan- • Comprehensiveness- record images of bones, soft tissues and vessels at the same time. • Speed-Faster than MRI-trauma cases,children • Cheaper than MRI • Bony structures and calcifications seen better. • Easy availability than MRI
CT ANGIOGRAPHY • Minimally invasive medical test to produce pictures of blood vessels throughout the body. • CTA-Examination of blood vessels in- Brain Abdomen-kidneys, liver Pelvis Lung, heart and neck
Uses of CTA • Aneurysms • Atherosclerosis • A-V malformation • Prepare for renal transplant-renal artery CTA • Stent implant evaluation • Traumatic injury to vesssels in neck ,abdomen and limbs • Aortic dissection
Coronary artery aniography • Pulmonary artery embolism • Mapping of vasculatures in vascular brain tumors