Annales de Biologie Clinique


Lower-back pain and weight loss in a 75-year-old man Volume 80, issue 6, November-December 2022


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1 Service de biochimie métabolique et nutrition, Hôpital Bichat – Claude-Bernard, APHP, Paris
2 UF dysfonctionnements immunitaires, Hôpital Bichat – Claude-Bernard, APHP, Paris
Correspondance : K. Peoc’h

A 75-year-old men is adressed in rheumatology for lower back pain, asthenia, and recent weight loss. Myeloma is suspected. Anemia, hyperproteinemia as well as a monoclonal IgG kappa with serum protein immunofixation are discovered. The diagnosis is confirmed by the myelogram with 14% of medullar plasmocytes. Osteolytic lesions are also found on the scanner.