Yes, But Why Are the Kidneys Enlarged?

Enlarged kidneys are a common finding in cats. By feeling their size and shape, your vet can tell a lot about what disease your pet might have.


The veterinarian palpates (feels) your cat’s abdomen during a clinical exam and finds that one or both of her kidneys are bigger than they’re supposed to be. It happens more frequently than you might expect. The medical term for enlarged kidneys is renomegaly, “reno” meaning “kidneys” and “mega” meaning “large.” But the finding is not a diagnosis in itself. It’s a clue that a diagnosis is necessary, and it’s sometimes accompanied by other clues, such as decreased appetite, weight loss, lethargy, and vomiting.

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