Background/aims: Local recurrence is one of the most common sites of failure after resection of exocrine pancreatic adenocarcinoma. Intraoperative radiotherapy (IORT) involves delivery of high doses of irradiation to the pancreas in patients with locally advanced disease, and to the surgical bed following pancreatic resection while uninvolved and dose-limiting tissues are displaced. Here we report our current experience with IORT in patients with pancreatic cancer.
Methods: IORT was given as adjuvant treatment in 18 and palliatively in 37 patients. External beam radiotherapy (EBRT) was in addition delivered to 10 patients in the resection group and 29 in the palliation group. The cancer diagnosis was verified histologically and/or cytologically in all patients.
Results: There was no hospital mortality. Among the resected patients the postoperative complication rate was 44% (8/18). The corresponding figure after palliative operation was 14% (5/37). None of the postoperative complications were regarded as a consequence of IORT. Symptoms and complaints were observed after EBRT in 70 and 90%, respectively, in the two groups. However, no symptom was serious in nature. After resection the median survival time was 9 months (range 3-58) and local recurrence was diagnosed in 33% (6/18). In the palliatively treated patients the median survival was 7 months (range 2-30) and pain requiring opioids was present in 89% (24/27) of the patients within 6 months.
Conclusion: In this nonrandomized study no apparent beneficial effects were seen after IORT in patients with pancreatic cancer, neither adjuvantly nor palliatively. However, radiotherapy did not lead to any major complications.
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