Master Modality Choice in MSK and Neuro Radiology: 37 Flashcards on MRI, CT, DXA and PET
Deck HW5463 decoded: when to choose MRI, CT, ultrasound, DXA, bone scan or PET for brain, spine and joints, with 8 real cards and two study fixes.
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Radiology Fundamentals Study Guide: 72 Flashcards on X-ray, CT, MRI, Ultrasound and Nuclear Medicine
Learn radiology fundamentals with 72 flashcards: ionizing vs non-ionizing modalities, CT indications, MRI contraindications, tracers, SPECT, PET/CT and IR.
The hard part of musculoskeletal and neuro radiology is not reading the image — it is choosing it: which modality answers the question, which one is contraindicated, which one is fast enough for an emergency. That is what this deck drills. Worth knowing before you start: despite the title there is not a single imaging sign in the 37 cards — no Codman triangle, no hyperdense vessel sign. It is a modality-selection deck, and a good one.
Study this deck: Radiology: Musculoskeletal & Neuro Imaging
1 / 10Why has MRI become important in musculoskeletal radiology?
Tap the card for the answer · swipe right if you knew it, left if not
Radiology: Musculoskeletal & Neuro Imaging (HW5463) is the second Flip It radiology deck. If you have already worked the Radiology Fundamentals study guide, expect roughly a third of this one to feel familiar — suspend those cards and focus on what is new: the brain, the spine, the joints, and interventional work.
What the 37 cards cover
MRI in depth: soft tissue contrast, multiplanar acquisition without repositioning, 3-tesla high-field scanners, wide and short bores and open designs, the image-quality trade-off, metallic contraindications, gadolinium contrast, functional MRI, diffusion-weighted imaging, MR spectroscopy, MR angiography prospects, MRI-guided therapy. CT: bone detail and spatial resolution, cerebral haemorrhage and acute stroke, CT angiography, multidetector CT in trauma. Radiography: first-line role, arthritis, fractures, bone tumours, congenital skeletal anomalies, DXA for bone mineral density, bone age with BoneXpert. Ultrasound: soft tissue masses, joint effusions, tendon injury, dynamic real-time imaging, guidance for aspiration, injection, biopsy, drainage. Nuclear medicine: bone scans for infection, stress fracture, metastasis, bone turnover; PET for tumour recurrence versus radiation necrosis; SPECT perfusion in dementia and epilepsy; PET/MRI fusion. Interventional neuroradiology: aneurysm coiling, mechanical thrombectomy, embolisation, vertebroplasty.
Eight cards straight from the deck
| Front | Back |
|---|---|
| What metallic implants contraindicate MRI? | Pacemakers, cochlear implants, some medication pumps, certain cerebral aneurysm clips, metal fragments in eyes, some metallic hardware |
| How does CT compare to MRI for musculoskeletal imaging? | CT gives better bone detail and speed; MRI gives superior soft tissue contrast for muscles, ligaments, tendons, cartilage |
| CT the test of choice for in neurological emergencies | Cerebral hemorrhage and acute stroke evaluation, due to rapid scan times |
| How does diffusion-weighted imaging (DWI) help in stroke diagnosis? | DWI detects acute ischaemic stroke within minutes by showing restricted water diffusion in damaged tissue |
| What type of contrast is used in MRI? | Gadolinium-based agents that alter the magnetic properties of nearby water molecules |
| DXA used for in musculoskeletal imaging | Dual-energy X-ray absorptiometry, for evaluation of osteoporosis and bone mineral density |
| Role of PET in neuro-oncology | Distinguishing tumour recurrence from radiation necrosis, staging, monitoring treatment response |
| What imaging modality is best for evaluating bone age? | Plain radiography of the hand, often analysed with automated software such as BoneXpert |
Two tips that fit this deck
Repair the broken fronts as you go. Several cards lost their opening words in editing: CT the test of choice for in neurological emergencies, DXA used for in musculoskeletal imaging, Angiography used for in neuroradiology, Interventional neuroradiology, Trade-off with open MRI magnet designs. Read them as fill-in-the-blank prompts ("CT is the test of choice for ___ in neurological emergencies") and, better, retype the question mark version on the card. A front you have to decode twice trains the wrong reflex.
Collapse the soft-tissue-contrast cluster. Six cards (1, 2, 9, 24, 32 and part of 3) all resolve to the same answer: MRI has the best soft tissue contrast. Reviewing them separately inflates your streak without teaching anything. Keep one and rewrite the others as discriminations that cost marks — spinal cord versus vertebral fracture, ligament tear versus avulsed bone fragment, stress fracture on bone scan versus on MRI. Card 37 (fractal dimension in guided bone regeneration) is a research outlier: interesting, not exam material.
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