Yuto Sasaki, Satoshi Ichikawa, Kazuki Sakurai, Hiroshi Nakamura, Kyoko Inokura, Koichi Onodera, Noriko Fukuhara, Yasushi Onishi, Hisayuki Yokoyama, Hideo Harigae
A 41-year-old woman with right shoulder pain was found to have multiple tumors with osteolysis and M-proteinemia. Abnormal plasma cells (CD38+, CD138+, Igλ≫κ) were detected in 1.4% of bone marrow nucleated cells, and G-banding analysis revealed a 46,XX,t (8;14), (q24;q32) karyotype in 4 of 20 cells analyzed. A biopsy specimen from an extramedullary lesion had a packed proliferation of aberrant plasmacytoid cells with positive IgH::MYC fusion signals on fluorescence in situ hybridization. The patient was diagnosed with symptomatic multiple myeloma and treated with the BLd regimen, which significantly reduced M protein levels...
2024: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology