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The clinical value of bone and gallium scintigraphy for soft-tissue sarcomas of the extremities.

Kirchner, P T; Simon, M A


In a prospective study of forty-five patients, we evaluated the usefulness of bone and gallium scintigraphy prior to definitive surgery for a soft-tissue sarcoma in an extremity. Bone scintigraphy provides a baseline for staging and often reveals periosteal invasion that is not detected by routine radiographs. Blood-pool scintigraphy with bone tracers is very sensitive for a diagnosis of malignant disease. Gallium scintigraphy appeared to be a reliable preoperative indicator of malignant disease of soft tissue (sensitivity, 85 per cent; specificity, 92 per cent) and was useful for detecting the infrequent occult, non-pulmonary metastasis. Combined gallium and bone scintigraphy with blood-pool imaging provided a reliable prediction of the presence or absence of a malignant lesion in patients with a soft-tissue mass in an extremity. We recommend that bone and gallium scintigraphy be routinely used in the initial clinical staging of soft-tissue sarcomas.

Copyright © 1984 by The Journal of Bone and Joint Surgery, Incorporated
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