VITALI C, BOMBARDIERI S, JONSSON R, MOUTSOPOULOS HM, ALEXANDERIT IS...

2. Vitali C, Bombardieri S, Jonsson R, Moutsopoulos HM, Alexander

It is notable that exceptionally high frequencies of CD27

+

EL, Carsons SE, Daniels TE, Fox PC, Fox RI, Kassan SS, Pillemer

SR, Talal N, Weisman MH: European Study Group on Classifi-

(including CD27

high

) B cells were seen in two patients

cation Criteria for Sjưgren’s Syndrome. Assessment of the

with pSS and secondary NHL, in contrast with all other

European classification criteria for Sjưgren’s syndrome in a

series of clinically defined cases: results of a prospective

patients with pSS (Fig. 1). Although in both cases these

multicentre study. The European Study Group on Diagnostic

lymphomas were putatively derived from later stages of B

Criteria for Sjưgren’s Syndrome. Ann Rheum Dis 1996, 55:

cell differentiation (immunocytoma and plasmocytoid lym-