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Erschienen in:
01.12.2008 | Other
Peritoneal Surface Disease from Colorectal Cancer: Comparison with the Hepatic Metastases Surgical Paradigm in Optimally Resected Patients
Erschienen in: Annals of Surgical Oncology | Ausgabe 12/2008
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Background
Surgical resection is the treatment of choice for colorectal hepatic metastases (HM). In contrast, metastatic disease to the peritoneum is treated with systemic therapy. We examined our experience with cytoreductive surgery (CS) and intraperitoneal hyperthermic chemotherapy (IPHC) for peritoneal surface disease (PSD) compared with liver resection for HM.
Methods
A review of prospective databases of colorectal cancer patients undergoing surgery for metastatic disease to the peritoneum or liver (1992–2005) was carried out.
Results
One hundred and twenty-one patients underwent CS + IPHC and 101 patients underwent hepatic resection with median follow-up of 86 and 56 months, respectively. Fifty-five (45%) patients in the IPHC group had complete resection of all gross tumor. Ninety-five (94%) of the HM patients had negative surgical margins. Comparison of the R0/R1 PSD and margin-negative HM group demonstrated significant differences in age, performance status, and preoperative chemotherapy. The 1-, 3-, and 5-year overall survival for the R0/R1 PSD patients was 91, 48, and 26%; while it was 87, 59, and 34% for the HM patients (P = 0.32). Perioperative morbidity was 42% versus 34% (P = 0.38) and mortality was 5.5% versus 4.2% (P = 0.71) between the PSD and HM patients, respectively.
Conclusion
R0/R1 resection during CS + IPHC compared with margin-negative hepatic resection demonstrated no significant difference in overall survival and for select patients should be considered a viable treatment option. Further studies to improve the resectability of PSD patients and define the role of neoadjuvant and adjuvant drug strategies are needed.