ct scan,cta and mri at neurohospital,biratnagar
Post on 29-Jan-2016
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CT SCAN,CTA AND MRI AT NEUROHOSPITAL,BIRATNAGAR
Dr. Roshan KoiralaMBBS,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• 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
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