No, that's not true. The first CT scanner wasn't invented until the 1970s. There was never any inflammation found: Acheson said that it was always "presumed". The name ME was dropped in the 90s because of a lack of inflammation.

>In the 1980s they found numerous immune and metabolic dysfunctions in sufferers as well and the list of physiological things wrong has steady increased since

None replicated as yet.