Computed tomography in the evaluation of small round cell tumors of bone.

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Abstract
The value of computed tomography (CT) in the management of 20 cases of round cell tumors of bone is reported. CT is useful in early diagnosis, particularly in complex anatomical areas; the evaluation of the extent of disease; the determination of the radiation portals; the evaluation of the response to therapy; and the preoperative evaluation of those tumors removed surgically. In comparison with other radiographic modalities, CT was equally accurate in 6 and more accurate in 10 patients. In 3 cases CT alone revealed the presence of pathology.