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Annals of Surgical Oncology

, Volume 20, Issue 6, pp 1851–1857 | Cite as

Predictors of Survival and Recurrence in Primary Leiomyosarcoma

  • Rebecca A. Gladdy
  • Li-Xuan Qin
  • Nicole Moraco
  • Narasimhan P. Agaram
  • Murray F. Brennan
  • Samuel Singer
Bone and Soft Tissue Sarcomas

Abstract

Background

Leiomyosarcoma is a soft tissue sarcoma whose outcome has historically been confounded by the inclusion of gastrointestinal stromal tumors. Thus, we sought to determine the factors that predict survival and recurrence in patients with primary leiomyosarcoma alone.

Methods

During 1982–2006, a total of 353 patients with primary resectable leiomyosarcoma were identified from a prospective database. Multivariate analysis was used to assess clinicopathologic factors for association with disease-specific survival (DSS). Competing risk survival analysis was used to determine factors predictive for local and distant recurrence.

Results

Of 353 patients, 170 (48 %) presented with extremity, 144 (41 %) with abdominal/retroperitoneal, and 39 (11 %) with truncal tumors. Median age was 57 (range, 18–88) years, and median follow-up was 50 (range, 1–270) months. Most tumors were high grade (75 %), deep (73 %), and completely resected (97 %); median size was 6.0 (range, 0.3–45) cm. Abdominal/retroperitoneal location was associated with worse long-term DSS compared to extremity or trunk (P = 0.005). However, by multivariate analysis, only high grade and size were significant independent predictors of DSS. Overall, 139 patients (39 %) had recurrence: 51 % of those with abdominal/retroperitoneal, 33 % of extremity, and 26 % of truncal disease. Significant independent predictors for local recurrence were size and margin, whereas predictors for distant recurrence were size and grade. Site was not an independent predictor of recurrence; however, late recurrence (>5 years) occurred in 9 % of abdominal/retroperitoneal and 4 % of extremity lesions.

Conclusions

Grade and size are significant independent predictors of DSS and distant recurrence. Long-term follow-up in leiomyosarcoma is important, as late recurrence continues in 6–9 % patients.

Keywords

Local Recurrence Soft Tissue Sarcoma Gastrointestinal Stromal Tumor Leiomyosarcoma Distant Recurrence 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgment

Supported in part by Soft Tissue Sarcoma Program Project grant P01 CA 047179 (SS, LXQ, CA, MFB).

Supplementary material

10434_2013_2876_MOESM1_ESM.pdf (92 kb)
Cumulative incidence of death due to disease for primary leiomyosarcoma by site; P = 0.005. Ext = extremity (PDF 53 kb)

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Copyright information

© Society of Surgical Oncology 2013

Authors and Affiliations

  • Rebecca A. Gladdy
    • 1
    • 4
  • Li-Xuan Qin
    • 2
  • Nicole Moraco
    • 1
  • Narasimhan P. Agaram
    • 3
  • Murray F. Brennan
    • 1
  • Samuel Singer
    • 1
  1. 1.Sarcoma Disease Management Team, Department of SurgeryMemorial Sloan-Kettering Cancer CenterNew YorkUSA
  2. 2.Department of Epidemiology and BiostatisticsMemorial Sloan-Kettering Cancer CenterNew YorkUSA
  3. 3.Department of PathologyMemorial Sloan-Kettering Cancer CenterNew YorkUSA
  4. 4.Department of SurgeryMount Sinai Hospital, University of TorontoTorontoCanada

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