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- Title
Radiotherapy, volume reduction, and short-term surgical outcomes in the treatment of large myxoid liposarcomas.
- Authors
Lee, Linus Hyunsuk; Tepper, Sarah; Owen, Grant; Dian Wang; Lopez-Hisijos, Nicolas; Colman, Matthew W.; Gitelis, Steven; Blank, Alan T.
- Abstract
Purpose: While tumor volume reduction following radiation has been documented in myxoid liposarcomas, it is unclear whether large tumors experience similar volume reduction to smaller tumors. Materials and Methods: MRI studies performed before and after completion of pre-operative radiation therapy (RT) were examined. Tumor sizes were noted and categorized as large versus small based on size >10 cm. Tumor volumes were calculated, and operative duration and major wound complications were recorded. Results: The median largest tumor dimension was 12.4 cm before RT and 8.7 cm after RT. The median tumor volume was 298.9 cm³ before RT and 106.9 cm³ after RT. There was no significant difference in the mean percent tumor volume reduction between large tumors and small tumors (p = 0.11, 56.3% vs. 64.5%). Operative duration most strongly correlated to post-RT MRI volume (R²=0.674, p<0.001). Despite volume reduction, tumors that were large on presentation were more likely to experience major wound complications post-operatively. Conclusion: Radiation appears to be as effective at reducing myxoid liposarcoma tumor volume in large and small tumors. However, large tumors on presentation appear more likely to experience wound complications despite tumor volume reduction. Future studies should investigate disease-related outcomes as a factor of volume reduction in myxoid liposarcoma.
- Subjects
LIPOSARCOMA; TREATMENT effectiveness; INJURY complications
- Publication
Radiation Oncology Journal, 2022, Vol 40, Issue 3, p172
- ISSN
2234-1900
- Publication type
Article
- DOI
10.3857/roj.2022.00094