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Childhood Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Staging and Grading Systems for Childhood Soft Tissue Sarcoma

Table 8. Histologic Grade Determined by Total Score continued...

In a review of a large adult series of nonrhabdomyosarcomatous STSs, superficial extremity sarcomas had a better prognosis than deep tumors. Thus, in addition to grade and size, the depth of invasion of the tumor should be considered.[16]

Several adult and pediatric series have shown that patients with large or invasive tumors have a significantly worse prognosis than do those with small, noninvasive tumors. A retrospective review of STSs in children and adolescents suggests that the 5 cm cutoff used for adults with STS may not be ideal for smaller children, especially infants. The review identified an interaction between tumor diameter and body surface area.[17] This relationship requires further study to determine the therapeutic implications of the observation.


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  10. Rao BN: Nonrhabdomyosarcoma in children: prognostic factors influencing survival. Semin Surg Oncol 9 (6): 524-31, 1993 Nov-Dec.
  11. Pisters PW, Leung DH, Woodruff J, et al.: Analysis of prognostic factors in 1,041 patients with localized soft tissue sarcomas of the extremities. J Clin Oncol 14 (5): 1679-89, 1996.
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  15. Khoury JD, Coffin CM, Spunt SL, et al.: Grading of nonrhabdomyosarcoma soft tissue sarcoma in children and adolescents: a comparison of parameters used for the Fédération Nationale des Centers de Lutte Contre le Cancer and Pediatric Oncology Group Systems. Cancer 116 (9): 2266-74, 2010.
  16. Brooks AD, Heslin MJ, Leung DH, et al.: Superficial extremity soft tissue sarcoma: an analysis of prognostic factors. Ann Surg Oncol 5 (1): 41-7, 1998 Jan-Feb.
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Last Updated: February 25, 2014
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