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  • Title: Scintigraphic differentiation of bone infarction from osteomyelitis in children with sickle cell disease.
    Author: Rao S, Solomon N, Miller S, Dunn E.
    Journal: J Pediatr; 1985 Nov; 107(5):685-8. PubMed ID: 4056966.
    Abstract:
    Bone scans or bone marrow scans or both were obtained during 42 episodes of bone pain in 40 children with sickle cell disease, and the usefulness of these procedures was compared. On the basis of the subsequent clinical course, a diagnosis of bone infarction was made in 34 episodes, and osteomyelitis in eight. Among 22 patients with bone infarction, uptake on bone scan was increased in 14, decreased in three, and normal in five. Seven of eight patients with osteomyelitis had increased uptake on bone scan; one had normal uptake. In contrast, marrow scan uptake was markedly decreased in 15 of 16 patients with bone infarction, and was normal in five of five patients with osteomyelitis. Thus, decreased uptake on bone marrow scan in a patient with sickle cell disease and bone pain almost invariably indicates infarction, whereas normal uptake strongly suggests the diagnosis of osteomyelitis. We found marrow scans more useful than bone scans for this differential diagnosis.
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