The mnemonic
CT for Calcium, Clots and Cortex; MRI for Marrow and Muscle
What each word stands for
- Calcium, Clots, CortexCT shows acute blood, calcification and cortical bone well
- Marrow, MuscleMRI shows marrow, soft tissue and ligaments well
Why it matters clinically
Guides first-choice modality questions.
Where it stops being reliable
Clinical context and availability change the best choice.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.