Prospective study of 171 suspected Sjogrens (130 dx w/ SjD) pts compared Dx accuracy - Labial gland Bx best Dx efficacy (AUC 0.90), followed Ro/SSA (AUC 0.79), Omeract score (AUC 0.78). Salv gland US grade 3 strongly predicted +Bx (AUC 0.77) & correlated w/ salivary flow ~-0.5