Fig. 1 (abstract P229).From: XXXV Brazilian Congress of Rheumatology (SBR 2018)A: T1-weighted magnetic resonance (MR) imaging, showing hyperintense linear dural thickening in cervical and thoracic spine. B: Dural biopsy immunohistochemistry: Numerous IgG4+ plasma cells. In this field, the IgG4+ plasma cells constituteBack to article page