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  • Title: Osteomyelitis complicating fracture: pitfalls of 111In leukocyte scintigraphy.
    Author: Kim EE, Pjura GA, Lowry PA, Gobuty AH, Traina JF.
    Journal: AJR Am J Roentgenol; 1987 May; 148(5):927-30. PubMed ID: 3107360.
    Abstract:
    111In-labeled leukocyte imaging has shown greater accuracy and specificity than alternative noninvasive methods in the detection of uncomplicated osteomyelitis. Forty patients with suspected osteomyelitis complicating fractures (with and without surgical intervention) were evaluated with 111In-labeled leukocytes. All five patients with intense focal uptake, but only one of 13 with no uptake, had active osteomyelitis. However, mild to moderate 111In leukocyte uptake, observed in 22 cases, indicated the presence of osteomyelitis in only four of these; the other false-positive results were observed in noninfected callus formation, heterotopic bone formation, myositis ossificans, and sickle-cell disease. These results suggest that 111In-labeled leukocyte imaging is useful for the evaluation of suspected osteomyelitis complicating fracture but must be used in conjunction with clinical and radiographic correlation to avoid false-positive results.
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