The phrase "a true case of" is correct and usable in written English.
It can be used to emphasize that a particular situation or example genuinely fits a specific category or description.
Example: "This incident is a true case of bravery in the face of danger."
Alternatives: "a genuine example of" or "an authentic instance of".
So successful was Pascual Duarte that its fourth edition was banned - a true case of the censor censored.
Then he said, "I'm not sure that that, technically, would qualify as a true case of apotemnophilia".
Joan notes that more work is necessary to determine if this is a true case of mutualism, where both species directly benefit.
Having spent years doing pub gigs and odd bits of character comedy, hers was a true case of Edinburgh rags to riches.
So let's move on to a true case of interspecies love, that between my late father, Bernie, and his dog, Gibora.
It is ironic that the clearest and most convincing results should have been obtained from studies of the Sinitic-Tai similarities, which probably do not indicate a true case of genetic relationship.
"We are a true case study of how building a diverse company allows you to iterate and scale and succeed".
A real, true case of food-borne happiness.
It is conceivable that all true cases of a vehicle changing its reference are purposeful, and hence break the causal-historical chain by violating this condition.
L'Exercice de l'état (Pierre Schöller) presented a talkative investigation into the working life of an imaginary French politician, while Vincent Garenq's searing Présumé coupable (Guilty) explored the true case of a bailiff wrongly jailed for child molestation.
Completeness refers to the proportion of true cases of a disease that is correctly captured by the registry.
