12961740
Description
Flashcards by Alinta Kalns, updated more than 1 year ago
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Created by Alinta Kalns
over 6 years ago
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| Question | Answer |
| What are some applications for computed tomography (CT) | Bone studies Nasal studies Lungs and thorax |
| What are the advantages of CT? | Good contrast resolution No superimposition Fast aqcuisitation + post-take manipulation Contrast studies Cheaper than MRI |
| What is a disadvantage of CT? | Not good for subtle pathology of soft tissue |
| What are some indications for MRI? | Brain Spine Joints Caudal abdomen |
| What are some advantages of MRI | Outstanding soft tissue contrast resolution Contrast studies (gadolinium - passes BBB and enters tumours) Can use any plane 3D reconstruction |
| What are some disadvantages of MRI? | Takes a long time (up to 40 min) Requires GA Sensitive to movement Strong magnetic field |
| What are some applications for scintigraphy? | Physiological function studies Bone Kidney Thyroid PSS grading, screening, etc. |
| What are advantages of scintigraphy? | Very sensitive Can image entire skeleton Picks up extra-osseous mineralisation |
| What are some disadvantages of scintigraphy? | Radiation Not specific Poor image quality (cold and hot spots) Requires patient isolation for 24 hours |
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