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Revista chilena de cirugía
versión On-line ISSN 0718-4026
CERONI V, MARCO et al. Concordance between the surgical piece observation by the surgeon and final pathological report for gastric cancer. Rev Chil Cir [online]. 2011, vol.63, n.4, pp.373-380. ISSN 0718-4026. http://dx.doi.org/10.4067/S0718-40262011000400007.
Background: The systematic dissection of the surgical piece, performed by the surgeon during surgical treatment of gastric cancer, gives information about borders and lymph node involvement. Aim: To determine the concordance between the findings of the surgeon during initial dissection and the final pathological report. Material and Methods: Prospective study of 48 patients aged 64 ± 10 years (74% males) subjected to curative surgery for gastric cancer. Patients were staged according to 2010 TNM classification. Stomach size from the lesser curvature, oral and caudal limits, macroscopic aspect, tumor diameter and lymph node involvement were determined by the surgeon observing the surgical piece. The concordance of this observation with the final pathological report was assessed. Results: Fifty nine percent of patients were subjected to a total gastrectomy and there was a mean of 30 lymph nodes excised. There was a good concordance between surgeon observation and final pathological report for tumor depth (Kappa = 0.64), macroscopic aspect (Kappa = 0.69) and tumor size (Lin = 0.84). There was a bad concordance for lymph node involvement (Kappa = 0.21). The percentage of retraction of lesser curvature length was 24%, 30% for oral and 22% for caudal limits. Conclusions: There is a good concordance between surgeon observation and pathological report for macroscopic aspect, tumor size and depth but the concordance for lymph node involvement is bad.
Palabras clave : Gastric cancer; surgical piece; surgeon.