Purpose: To compare conventional radiography and bone scintigraphy in relation to clinical outcome in bone marrow transplant multiple myeloma patients.
Material And Methods: A total of 70 radiographies and 70 bone scintigraphies were compared in 35 patients.
Results: The skull, the extremities, the iliac and public bones were better assessed with radiography. For new vertebral lesions and for lesions in the ribs and sternum, bone scintigraphy proved superior. For the sacrum, the methods were equal. When bone scintigraphy was used as a complement to radiography, 4% more pathological sites were found. No patient had both a normal radiography and a pathological bone scintigraphy, but 5 patients had both a normal bone scintigraphy and a pathological radiography. The results of the radiological examinations did not always correlate with the clinician's grading of the patient's disease. The radiological examinations had no prognostic value for the 7 patients examined on several occasions.
Conclusion: The ability of conventional radiography and bone scintigraphy to disclose myeloma lesions varies, depending on location and size of the lesions. Radiography should remain the primary examination modality also for bone marrow transplant multiple myeloma patients. Bone scintigraphy can serve as a complement for investigating unexplained pain, e.g. caused by lesions in vertebrae or ribs.
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