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  • Title: Peritonectomy and hyperthermic antiblastic perfusion in the treatment of peritoneal carcinomatosis.
    Author: Cavaliere F, Di Filippo F, Botti C, Cosimelli M, Giannarelli D, Aloe L, Arcuri E, Aromatario C, Consolo S, Callopoli A, Laurenzi L, Tedesco M, Di Angelo P, Giunta S, Cavaliere R.
    Journal: Eur J Surg Oncol; 2000 Aug; 26(5):486-91. PubMed ID: 11016471.
    Abstract:
    AIMS: Some low-grade malignant tumours arising in the abdomen tend to remain loco-regionally confined to peritoneal surfaces, without systemic dissemination. In these cases complete surgical tumour cytoreduction followed by intra- or post-operative regional chemotherapy has curative potential. The aim of this study was to evaluate the outcome for patients treated in this way. METHODS: Peritonectomy was performed, involving the complete removal of all the visceral and parietal peritoneum involved by disease. After peritonectomy, hyperthermic antiblastic perfusion was carried out throughout the abdominopelvic cavity for 90 min, at a temperature of 41.5-42.5 degrees C, with mitomycin C (3.3 mg/m2/l) and cisplatin (25 mg/m2/l) (for appendicular or colorectal primaries), or cisplatin alone (for ovarian primaries). Alternatively, the immediate post-operative regional chemotherapy was performed with 5-fluorouracil (13.5 mg/kg) and Lederfolin (125 mg/m2) (for colonic or appendicular tumours) or cisplatin (25 mg/m2) (for ovarian tumours), each day for 5 days. RESULTS: Thirty-five patients affected by extensive peritoneal carcinomatosis were submitted to peritonectomy, with no residual macroscopic disease in all cases except three. Twenty-six patients were able to undergo the combined treatment involving loco-regional chemotherapy. Complications were observed in 54% of the patients and led to death in four of them. At a mean follow-up of 17 months overall 2-year survival was 55.2%, with a median survival of 26 months. CONCLUSIONS: After a learning curve of 18 months the feasibility of the integrated treatment increased to more than 90%, while mortality decreased dramatically. The curative potential of the combined therapeutic approach seems high in selected patients with peritoneal carcinomatosis not responding to systemic chemotherapy. Careful selection of patients can minimize the surgical risk, but the treatment should currently be reserved for clinical trials.
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