Successful treatment with bortezomib for refractory cryoglobulinemic vasculitis triggered by ischemic non-obstructive coronary artery disease. - Ohta Y; Tsuchiya T; Oka M; Tachibana M; Kondo Y; Fukushima K; Matsuno S; Yamanaka N; Suzuki N; Komatsu A; Rokutan H; Yumura W; et al. (CEN case reports, 2025)