Malar rash;Nephritis;Hematological involvement;Positive autoantibodies (e.g., ANA, dsDNA, anti-Sm);Typical clinical manifestations of CIDP;Recurrent episodes of Guillain-Barré syndrome-like symptoms in some cases;Electrophysiological and nerve biopsy show typical demyelinating manifestations;Albumin-cytological dissociation of CSF. Here, BTG3 is linked to nephritis.