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Het beter in beeld krijgen van uitzaaiingen tijdens een HIPEC operatie bij patiënten met dikke darm kanker uitzaaiingen in het buikvlies

ABSTRACT: Interventions: Administration of either Indocyanine Green (ICG) or 5-aminolevulinic acid (5-ALA) preoperatively Primary outcome(s): To evaluate the sensitivity and specificity of Narrow Band Imaging, Near-infrared Indocyanin Green Imaging, 5-ALA fluorescent imaging and Indigo Carmine Blue Spray Dye Chromoendoscopy in the detection of malignant lesions. Study Design: N/A , unknown, Other

DISEASE(S): Peritoneal Metastases, Peritoneal Carcinomatoris, Colorectal Cancer, Imaging Techniques, Fluorescence, Narrow-band Imaging, Icg, 5-alaperitoneale Metastasen, Peritonitis Carcinmatosa, Colorectaal Carcinoom, Beeldvormende Technieken, Fluorescentie

PROVIDER: 20059 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:There are a few studies regarding Sessile Serrated Lesions (SSL). They are recently identified as precancerous lesions. Yet, digestive tract serrated lesions would be part of a new colic carcinogenesis way : the serrated tumor way. Evolution from polyp to cancer would be faster than through the usual adenoma to cancer way. It would be then responsible of a lot of "missed" lesions or interval cancer. The missed SSL rate is estimated at between 27% and 59%. Current diagnosis methods show weakness to identify those SSL. In order to improve their detection, the investigators dispose of several coloration techniques. Indigo carmine chromoendoscopy enhance neoplastic lesion detection as part of the hereditary rectal carcinoma screening. NBI electronic coloration, which is faster and easier has not shown any efficacy on the adenoma detection rate, except for patients with Lynch syndrome. The objective is to better describe the SSL endoscopic semiology (detection and characterization) and to establish standards for the endoscopic techniques in order to improve the colonoscopy diagnosis quality. The investigators propose to evaluate 2 fundamental endoscopic techniques (Narrow Band Imaging (NBI) and indigo carmine), widely used for other indications, in comparison with the White Light technique (WLI). Therefore, the investigators propose a prospective, observational, multicentric cohort study in order to 1) define SSL endoscopic various aspects 2) establish which technique (white light, Narrow Band Imaging, indigo carmine chromoendoscopy) is the best to diagnose SSL, namely detection and characterization 3) evaluate the multifocal dimension rate for those lesions at ascending colon level. The diagnosis impact is immediate, and could allow to consider an update for boh endoscopic NICE and Kudo Pit Pattern classification, and good practice guidances for colonoscopic diagnosis. Better SSL detectability thus their systematic resection could have a long term effect in reducing both colon cancer rate and interval cancer

Dataset Information

Het beter in beeld krijgen van uitzaaiingen tijdens een HIPEC operatie bij patiënten met dikke darm kanker uitzaaiingen in het buikvlies

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