Dynamic scintigraphy of bone and bone marrow in multiple myeloma patients with bone-marrow transplants

• Purpose: To determine whether dynamic registration at bone and bone-marrow scintigraphy produces additional information compared to subsequent static registrations of bone-marrow transplants in multiple myeloma patients. Material and Methods: In a prospective study, 8 dynamic bone and 6 dynamic bone-marrow scintigraphies were performed in 10 patients. The dynamic scintigraphies were compared with conventional radiography, MR images, and static scintigraphies of bone and bone marrow. Results: No additional information was revealed by the dynamic registration method; on the contrary, 4 of the 8 known lesions were not discerned at dynamic registration. An incidental observation was that the time-activity curves of both radiopharmaceuticals had a specific pattern. Conclusion: Dynamic registration at bone and bone-marrow scintigraphy was not useful for detecting disease in multiple myeloma lesions.

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