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Radiology, Vol 140, 197-202, Copyright © 1981 by Radiological Society of North America

ARTICLES

The effect of iron on the biodistribution of bone scanning agents in humans

D Choy, IP Murray and R Hoschl

Nine patients with chronic iron overload, resulting from either repeated transfusions or hemochromatosis, had bone scans that were characterized by a reduction of bony uptake, marked increase in renal activity, and a significant increase in soft-tissue accumulation of 99mTc-labeled bone-seeking agents. These findings were supported by semiquantitative computer analysis. The probable mechanisms of altered biodistribution and the possible role of serum ferritin are discussed. The importance of realizing the effect of excess iron on skeletal scintigraphy is further emphasized by the results of bone scanning in another patient in whom acute iron overload following infusion of iron- dextran resulted in excessive blood pool labeling.


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I. Loutfi, B. D. Collier, and A. M. Mohammed
Nonosseous Abnormalities on Bone Scans
J. Nucl. Med. Technol., September 1, 2003; 31(3): 149 - 153.
[Abstract] [Full Text] [PDF]


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