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A member asked:

Is it normal to have pos ssb antibodies but neg ssa antibodies. the tests have been run 3 times. someone said if that happens the ssb is a false pos?

A doctor has provided 1 answer

Why do you ask?: Ssb/la is seldom positive of ssa/ro is not. However, both are merely adjuncts in considering whether someone has sjogren's (which i take it is what is at question in your case). Rather than repeat a lab that won't be the basis for a clinical decision in any case, perhaps it's time for a minor salivary gland biopsy.

Dr Raff agreed

Answered 12/19/2013

4.7k views

Thank

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