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PROGNOSIS IN SPONTANEOUS OSTEONECROSIS OF THE KNEE

Investigation by Radionuclide Scintimefry and Radiography

Georges Muheim 1; and Walther H. Bohne 2

1 Hospital for Special Surgery, affiliated with the New York Hospital-Cornell University Medical College, New York City; Geneva, Switzerland
2 Hospital for Special Surgery, affiliated with the New York Hospital-Cornell University Medical College, New York City; New York, United States of America

In fifty-two knees with spontaneous osteonecrosis the diagnosis was based on a subchondral transradiancy in the weight-bearing surface of the medial femoral condyle. Strontium-85 scintimetry showed a unique pattern, indicating a lively repair reaction by localised high values. Thirteen of fifteen knees followed between two and twenty-three years developed osteoarthritis. The prognosis was based on the size of the transradiancy and the focality of the lesion as determined by scintimetry. It is suggested that scintimetry permits differentiation between primary osteoarthritis and arthritis secondary to osteonecrosis.




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M. Takeda, H. Higuchi, M. Kimura, Y. Kobayashi, M. Terauchi, and K. Takagishi
Spontaneous osteonecrosis of the knee: HISTOPATHOLOGICAL DIFFERENCES BETWEEN EARLY AND PROGRESSIVE CASES
J Bone Joint Surg Br, March 1, 2008; 90-B(3): 324 - 329.
[Abstract] [Full Text] [PDF]


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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General