The importance of surgical resection in the management of rectal sarcoma: A national cancer database analysis of 133 cases

Michael R. Freund, Sameh Hany Emile, Nir Horesh, Zoe Garoufalia, Rachel Gefen, Steven D. Wexner

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Background and purpose: Rectal sarcomas (RS) are rare malignant tumors with a very poor prognosis. This study aimed to assess the characteristics, treatment, and outcomes of RS in the United States. Methods: This study was a retrospective analysis of the National Cancer Database (NCDB) from 2004 to 2019 of patients with a diagnosis of RS. The main outcome measures were overall survival (OS) and its predictors. Results: 133 RS patients (39.1% female) with a mean age of 65.7 ± 15.6 years were included in the study. Mean tumor size was 6.1 ± 3 cm. The crude OS rate was 22.5% and median survival duration was 10.1 (IQR: 3.2–21) months. Factors associated with an improved OS on were private insurance (HR = 0.23, p = 0.001) and undergoing surgery (HR 0.23, p < 0.001), Factors associated with poor survival were age (HR 1.02, p = 0.005), male sex (HR 2.27, p = 0.001), Charlson score of 3 (HR 5.17, p = 0.003), and positive resection margins (HR: 2.64, p = 0.01). Multivariate Cox regression analysis revealed that male sex (HR 2.16, p = 0.04) and positive resection margins (HR 2.31, p = 0.03) were predictors of poor survival whereas surgery was an independent predictor of improved OS (HR 0.321, p < 0.001) Conclusions: RS is a very rare rectal malignancy with an even poorer prognosis than previously reported. However, undergoing surgery with curative intent while obtaining negative margins may confer better OS.

Original languageEnglish
Pages (from-to)647-654
Number of pages8
JournalEuropean Journal of Surgical Oncology
Volume49
Issue number3
DOIs
StatePublished - Mar 2023
Externally publishedYes

Keywords

  • NCDB
  • National cancer database
  • Overall survival
  • Rectal sarcoma
  • Surgical resection

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