Concordance between radioimmunoassay and fixed cell-based assay in subjects without myasthenia gravis: optimizing the diagnostic approach.
Silvia FalsoSofia MariniCinzia CarrozzaEleonora SabatelliGiovanni MascagnaMartina MariniJacopo MorroniAmelia EvoliRaffaele IorioPublished in: European journal of neurology (2024)
RIA false positivity for AChR-Ab is very rare. Previous literature has demonstrated that F-CBA has higher sensitivity than RIA for MG, especially in ocular cases. Our preliminary results show that, in rare instances, F-CBA may be more specific than RIA for MG diagnosis.