Telangiectatic osteogenic sarcoma: A clinicopathologic study of 124 patients

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Abstract
One hundred-twenty-four patients with this rare and special variant of osteogenic sarcoma were treated at Memorial Sloan-Kettering Cancer Center from 1921 through 1979, representing 11% of all of osteogenic sarcomas. The lesions were predominantly lytic, destructive tumors with only minimal sclerosis on roentgenograms and soft as well as cystic on gross examination. Histologically, aneurysmally dilated spaces lined or traversed by sarcoma cells producing osteoid were noted. The differential diagnosis both radiographically and histologically included several benign lesions like aneurysmal bone cyst and giant cell tumor, among many others. It was found that telangiectatic osteogenic sarcoma is relatively frequent in the femoral diaphysis and in the distal end of the femur. Twenty-nine percent of the patients present with pathologic fracture, or this develops later. Age and sex distribution, or clinical signs or symptoms were those of ordinary osteogenic sarcomas. No differences in survival rates were found in lesions that were purely lytic or those with minimal sclerosis. Similarly, no differences in survival were noted when comparing patients with telangiectatic or ordinary osteogenic sarcoma. As a matter of fact, definite increase in survival was found in patients treated since 1975 with preoperative multidrug chemotherapy employing high-dose methotrexate. Adriamycin, and the combination of bleomycin, cyclophosphamide, and dactinomycin.

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