NEGATIVE detection
detection of coarse speckled cytoplasmic staining of mitochondrial pattern . To be confirmed on specific tissues if requested
on HEP2 cells, the threshold , which varies according to age , is > 80 in adults.
The negative result of this screening dose not allow a possible anti-ssa(ro) to be eliminated .
If suggested by the clinical context , screening for anti-ssa (RO) should be specified on the prescription
smooth muscle auto-antibodies (IFI)
sample : serum or plasma
as the smooth muscle antibodies by IIF is < 160 , the actine specificity is not tested