Systemic lupus: SLE is a very specific disease of the immune system. It can affect any organ in the body and usually at least two organs, not always at the same time. Unfortunately the test used to screen for lupus, the ANA, is very sensitive and is positive in many more people without lupus than with lupus. For more information see the excellent website https://www.hopkinslupus.org/lupus-info/
Answered 1/30/2019
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