Colorectal cancer is the most frequent tumor of the digestive tract. The high incidence of abdominal dissemination; the poor prognosis of these patients, with median survival consistently ranging from 5 to 9 months in all studies of peritoneal carcinomatosis from colorectal cancer; the failure of adjuvant systemic chemotherapy treatment with a maximal survival of 18 months despite the development of new cytostatic drugs, and new combinations of use, make it crucial to search for and develop new treatment strategies. We review the principles of Sugarbaker´s treatment protocol, which involves the combination of maximum cytoreductive radical oncological surgery for the treatment of all macroscopically disseminated disease with maximum perioperative intraperitoneal intensification chemotherapy to treat residual microscopic disease. We present the results of several scientific papers, all of them phase II studies with more than 10 patients treated, published in the medical literature by the main groups working in this line of treatment, together with the only phase III study reported and published so far, and finally the results of a recently reported retrospective international multicenter study. With this new alternative therapeutic approach, overall mean survival is 40% at 36 months, and 20% at 5 years. Based on these results, this new therapeutic approach is proposed as the treatment of choice for these unfortunate patients.

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Introduction: in 1981, Dr. PH Sugarbaker, challenging oncological orthodoxy, considered carcinomatosis to be a locoregional stage of the disease that was still susceptible to treatment with curative intent. To this end he developed a new therapeutic alternative based on the combined treatment. The macroscopic disease treated by maximum radical oncological cytoreductive surgery (through the peritonectomies described by him), followed by treatment of the residual microscopic disease with the direct intra-abdominal application of intraoperative chemotherapy with locoregional intensification, modulated by hyperthermia and early normothermic postoperative intra-abdominal chemotherapy. Using this new therapeutic regimen, known as "Sugarbaker's Protocol", his group has reported 45% survival rates in carcinomatosis of colorectal origin at 5 years, and, in selected groups of patients, 50% survival rates at 5 years. The scientific community, however, has criticized these results considering that: it is a personal experience, with a not homogenous treatment protocol with developmental modifications over time, that it is a retrospective non-randomized study, and finally that the cytostatics used in his protocol are obsolete. Various European groups have replied to these main criticisms confirming the good results that this new therapeutic alternative offers for patients with carcinomatosis of colorectal origin. The purpose of this article is to present these contributions. Material and methods: all the articles published in the English language by European groups in the world's medical literature have been reviewed using the Pubmed-MEDLINE database to identify the relevant articles related to the treatment of carcinomatosis of colorectal origin using cytoreduction and intraperitoneal chemotherapy from January 1980 to January 2008. Results: the European contribution during these 25 years in favour of the "Sugarbaker's Protocol" has consisted fundamentally in: a) one multicenter retrospective study; b) two randomized prospective phase III studies; and c) the use of oxaliplatin and irinotecan as new cytostatic agents in the protocols for intraperitoneal chemotherapy. At the same time, two new transcendental European contributions have been made in which the possibility has been considered of combined simultaneous treatment for patients with hepatic metastases and carcinomatosis, and the introduction, as a selection factor, of patients responsive to intravenous induction chemotherapy within the regimen of sandwich treatment (with systemic neoadjuvant and adjuvant chemotherapy) complementary to intraperitoneal chemotherapy. Conclusions: the results obtained by European groups using "Sugarbaker's protocol" and "Elias' protocol" with oxaliplatin compel us to request that these treatments be considered by all professionals involved in the treatment of patients with colorectal carcinomatosis as the best treatment currently available for this condition. Furthermore a randomized, prospective, multicenter study should be carried out to ...

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Lesión iatrogénica de un conducto aberrante del sectorial anterior derecho hepático (segmentos V-VIII) independiente. Dificultades en su diagnóstico y tratamientoPalabras clave: Lesión iatrogénica biliar. Conducto aberrante biliar derecho.