Abstract
Pulmonary deposition of technetium 99m methylene diphosphonate was found on a bone scan of a patient with undiagnosed primary AL amyloidosis. Unusual clinical manifestations during the course of the disease led to a post-mortem diagnosis. The mechanisms for pulmonary and other ectopic soft tissue bone scan tracer depositions, as well as their significance in the diagnosis of amyloidosis, are discussed.
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Zwas, S.T., Shpilberg, O., Huszar, M. et al. Isolated ectopic lung uptake of technetium 99m methylene diphosphonate on bone scintigraphy in primary amyloidosis. Eur J Nucl Med 17, 282–285 (1990). https://doi.org/10.1007/BF00812371
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DOI: https://doi.org/10.1007/BF00812371