CT Scan vs MRI vs Ultrasound vs X-ray: Differences, Radiation and Cost
The real difference between CT, MRI, ultrasound and X-ray: what each shows best, how much radiation each carries, typical cost in India, and how doctors choose.
What does my scan report actually say, and which scan is right for what?
A scan report is written by one doctor for another, so patients are often left holding a page of words nobody explained. These guides translate the report and the choice of scan.
The real difference between CT, MRI, ultrasound and X-ray: what each shows best, how much radiation each carries, typical cost in India, and how doctors choose.
T1 vs T2 MRI explained simply: what looks bright or dark on each, what FLAIR and DWI add, and whether a bright area on T2 means inflammation.
What to do before an MRI: metal and implant checks, whether to fast, what to wear, how long it takes, how to cope with claustrophobia, and what to bring to the centre.
Why some MRIs need a gadolinium contrast injection, what it shows that a plain scan cannot, kidney and pregnancy safety, side effects, and the questions to ask first.
What a disc bulge, protrusion, extrusion and herniation mean on a spine MRI, why L4-L5 and L5-S1 findings are so common, and which ones actually explain pain.
What white matter hyperintensities or 'small vessel changes' on a brain MRI mean, how common they are, the Fazekas grade, and what actually lowers the risk.
What 'T2 hyperintense' means on an MRI report, why a bright area is not automatically inflammation, the common harmless causes, and the findings that need follow-up.
What each section of an MRI report means, the words that sound alarming but usually are not, the ones that need follow-up, and what to ask your doctor next.
What actually drives the wide range in MRI, CT and ultrasound prices across India, typical costs, and how to avoid paying more than necessary.
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