Imaging — CT & MRI Essentials
CT: excellent for cortical bone, 3D recon. MRI: excellent for marrow, soft tissue, ligaments, cartilage. CT indications: complex fractures (pelvis, acetabulum, calcaneus). MRI indications: occult fractures, marrow edema, tumors, soft tissue injury. Contraindications: CT—radiation, contrast nephropathy; MRI—pacemaker, ferromagnetic implants.
Practised by MCQ
10What is the primary advantage of CT imaging in orthopaedics?
mcqWhich of the following is a primary indication for MRI in orthopaedics?
mcqWhich imaging modality is contraindicated in patients with certain pacemakers?
mcqCT imaging utilizes which type of radiation?
mcqWhat is the ideal imaging modality for evaluating soft tissue injuries in orthopaedics?
mcqWhat is the Hounsfield Unit (HU) range for cortical bone in CT imaging?
mcqIn which scenario would a CT myelogram be particularly useful?
mcqWhat is an essential use of 3D reconstruction in CT imaging?
mcqWhich of the following statements about MRI is true?
mcqWhich of the following is an indication for CT with IV contrast in orthopaedics?