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Annals of Surgical Oncology, Vol 3, Issue 2 159-161, Copyright © 1996 by Society of Surgical Oncology

ARTICLES

Infantile fibrosarcoma: complete excision is the appropriate treatment

B. R. Cofer, P. J. Vescio and E. S. Wiener
Department of Pediatric Surgery, Children's Hospital of Pittsburgh, Pennsylvania 15213-6069, USA.

BACKGROUND: Infantile fibrosarcoma and its pathological variants are unusual childhood tumors. During the past 25 years, 18 children with these lesions were seen at our institution. METHODS: These patients' records were analyzed to determine clinical and pathological findings and outcome. RESULTS: The mean age at diagnosis was 7 months. There were 16 boys and 2 girls. The sites of tumor at presentation were: Extremity, head, trunk, and pelvis. Pathological findings were: fibrosarcoma, myofibroma, and fibromatosis. Histologic characteristics varied from benign hypocellular to more cellular pleomorphism. The initial surgical procedure was a complete excision in 16. Of those patients with complete removal, 6 recurred and all had secondary reexcision. In addition to excision, 3 patients received adjunctive therapy; chemotherapy in all 3 and radiation in 2. Sixteen (89%) children survived, including 4 of 6 with recurrent tumor and 2 of 2 with incomplete initial resection. Two children ages 6 and 9 months at diagnosis died of progressive recurrent tumor at 1 month and 6 years from initial diagnosis, despite operative therapy, chemotherapy, and radiation therapy. Both had paraspinal tumors that were removed completely. Pathological examination revealed spindle cell tumors infiltrating muscle. Neither clinical nor histologic findings distinguished surviving from nonsurviving patients. CONCLUSIONS: Fibrosarcoma occurring in infants has an excellent outcome despite histologic findings. Initial complete excision should be attempted in all children. Recurrence indicates a more aggressive variant and warrants more aggressive complete reexcision wherever possible. Adjunctive therapy probably has no benefit. The occasional death indicates the need for close follow-up.




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Copyright © 1996 by the Society of Surgical Oncology.