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> On my recent MRI, it caused significant metallic cloudiness in interpreting. It was metallic cloudy specks everywhere.

I am sure this is true - and it also occurs in people who get braces, certain piercings, people who have had implants or (unfortunately) gun shots.

These aren't complications in any sense of the word.

Metal artifact and contrast enhancement (from gad) look very different. Accumulation in a joint is unusual too, though direct injection during an arthrogram would cause this. It generally goes away over a couple of days as it’s absorbed.

I think you must have misunderstood where the artifact was coming from. Gadolinium retention has been shown to occur, but has not been reliably linked to any clinical symptoms. Gadolinium tissue retention also does not interfere in interpretation.

Metallic cloudiness isn't a thing in MRI.