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Oncology

OUTCOMES OF PRIMARY BONE TUMOURS OF THE PELVIS – THE ROH EXPERIENCE

The European Musculo-Skeletal Oncology Society (EMSOS)



Abstract

Introduction

The pelvis has always been a difficult area for surgeons, with high complication rates from surgery and the perception of poor oncological outcomes. The aim of the study was to look at the surgical and oncological outcomes of pelvic tumours treated at our centre.

Methods

From the 3100 primary bone tumours seen at the ROH. Information was retrieved on 539 patients seen with a primary bone tumour of the pelvis. The demographic details, oncological and surgical outcomes were reviewed.

Results

The mean age at presentation (39 yrs old) and duration of symptoms prior to diagnosis (30 weeks) were both significantly greater than the appendicular skeleton. The volume at resection was 3.8 times greater than the appendicular skeleton. The rates of wide surgical margins and response to chemotherapy were significantly poorer (p<0.05) than the appendicular skeleton resulting in rates of local recurrence (27% vs 12%, p<0.05) and overall survival that were poorer that the appendicular skeleton (51% vs 31% 10 yr survival, p<0.05). The dilemma of treating pelvic ewings will be discussed together with the subanalysis of the EICESS 92/EUROEWING 99 trials in relation to pelvic ewings sarcoma.

Conclusions

Despite poorer oncological outcomes surgical resection of pelvic tumours can deliver good oncological and surgical results but has high complication rates compared to tumours of the appendicular skeleton.