MFH and high-grade undifferentiated pleomorphic sarcoma - What's in a name?

Gadini O. Delisca, Nathan W. Mesko, Vignesh K. Alamanda, Kristin R. Archer, Yanna Song, Jennifer L. Halpern, Herbert S. Schwartz, Ginger E. Holt

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Background and Objectives: In 2002, with the advent of better classification techniques, the World Health Organization declassified malignant fibrous histiocytoma (MFH) as a distinct histological entity in favor of the reclassified entity high-grade undifferentiated pleomorphic sarcoma (HGUPS). To date, no study has evaluated comparative outcomes between patients designated historically in the MFH group and those classified in the new HGUPS classification. Our goal was to determine the presence of clinical prognostic implications that have evolved with this new nomenclature. Methods: Sixty-eight patients were retrospectively evaluated between January 1998 and December 2007. Forty-five patients diagnosed with MFH between 1998 and 2003 were compared to 23 patients in the HGUPS group, from 2004 to 2007. Primary prognostic outcomes assessed included overall survival, metastatic-free, and local recurrence-free survival. Results: Five-year survivorship between MFH and HGUPS populations, using Kaplan-Meier or competing risk methods, did not show statistical difference for overall survival (60% vs. 74%, P = 0.36), 5-year metastasis-free survival (31% vs. 26%, P = 0.67), or local recurrence-free survival (13% vs. 16%, P = 0.62). Conclusion: Despite new classification nomenclature, there appears to be no identifiable prognostic implications for sarcomas that remain in the unclassifiable HGUPS group, as compared to the previously accepted MFH group.

Original languageEnglish (US)
Pages (from-to)173-177
Number of pages5
JournalJournal of Surgical Oncology
Volume111
Issue number2
DOIs
StatePublished - Feb 1 2015
Externally publishedYes

Keywords

  • Metastasis
  • Radiation
  • Soft tissue sarcoma
  • Survival

ASJC Scopus subject areas

  • Surgery
  • Oncology
  • General Medicine

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