Infantile malignant mesenchymoma: limb salvage therapy.

The case of malignant mesenchymoma on the right knee in a 3-month-old infant girl was reported. Combination of treatment, including preoperative radiation, tumor resection, and chemotherapy was given. The patient had been free of the disease for 17 months after diagnosis. Review and emphasis on giving combined modality of treatment and the possibility of saving the extremities for patients with sarcoma were given.