Radiographic changes in primary osteogenic sarcoma following intensive chemotherapy. Radiological-pathological correlation in 63 patients.

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Abstract
Sixty-three patients with osteogenic sarcoma of the long bones, all of whom were treated with chemotherapy, demonstrated striking and unusual radiographic changes. Patients with a good radiographic response (48%) showed the most dramatic changes, including medullary sclerosis, prominent periosteal new bone formation, and disappearance of the soft-tissue mass; and these findings correlated well with the histological grading of the surgical specimens. Radiographic evaluation of patients receiving chemotherapy for osteogenic sarcoma is a valuable method of assessing response.