Abstract
Background: Bone lesions in multiple myeloma (MM) have a significant impact on the quality of life of elderly patients, but they have not been extensively investigated in the elderly.Methods: The subjects were 146 elderly MM patients (aged ≥ 65 years, median age 74) admitted to 11 institutions. Bone lesions were compared with those in 65 non‐elderly MM patients.Results: At the time of diagnosis, skeletal symptoms were present in 104 cases and bone pain in 75. Mixed type occurred more often in elderly patients (63.5%) than in controls (28.3%) (P < 0.0001). Lumbar vertebral lesions were more common in elderly than non‐elderly patients (P < 0.0001). Bone lesions restricted physical activity in 71 elderly patients (48.6%). There was a significant difference between elderly patients with and without bone lesions in the rate of detection of plasma cells in bone marrow. Significant differences were detected in serum calcium concentration, the rate of detection of plasma cells in bone marrow, and serum β2‐microglobulin concentration between patients with and without bone pain, and between those with and without fractures. No significant differences were detected in survival time between elderly patients with and without bone lesions, with and without bone pain, or with and without fractures, whereas a significant difference was seen between these subgroups of non‐elderly patients.Conclusion: Although there were no significant differences in the incidence of bone lesions between elderly and non‐elderly patients, the mixed type of bone lesions occurred more often in the elderly than in controls. Lumbar vertebral lesions were more common in elderly than non‐elderly patients. There was no significant difference in prognosis between elderly patients with and those without bone lesions so the treatment strategy for bone lesions in the elderly should be aimed at improving quality of life through direct treatment of the bone lesions, with subsequent improvement of the related symptoms.
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