Myositis with prominent B-cell aggregates causing shrinking lung syndrome in systemic lupus erythematosus: a case report.
Flavie RoyPat KorathanakhunJason KaramchandaniBruno-Pierre DubéOcéane Landon-CardinalNathalie RouthierCaroline PeyronnardRami MassieValérie LeclairAlain MeyerJosiane Bourré-TessierMinoru SatohMarvin J FritzlerJean-Luc SenécalMarie HudsonErin K O'FerrallYves TroyanovBenjamin EllezamJean-Paul MakhzoumPublished in: BMC rheumatology (2022)
Diaphragmatic weakness was the inaugural manifestation of myositis in this patient with SLE. The spectrum of myologic manifestations of myositis with prominent CD20 positive B-cell aggregates in SLE now includes normal CK levels and diaphragmatic involvement, in association with SLS.