Computed tomographic evaluation of primary osseous malignant neoplasms

A total of 128 patients with pathologically confirmed primary osseous malignant lesions was examined by computed tomography (CT). In each case, the CT findings were compared with those from the standard radiographs, tomograms, and isotope bone scans as well as with the clinical findings, in regard to tumor detection, diagnosis, and extent. Even though CT demonstrated all lesions, 96% were seen on radiographs, with only 4% of tumors identified solely by CT. In 7% of cases, CT provided unique diagnostic information not obtainable by other means. In 77% of cases, CT gave a better indication of tumor location, extent, and relationships than did any of the other methods. After treatment, CT was efficacious in the detection or ruling out of recurrences and in patient follow-up after chemotherapy or radiation therapy.
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