The vessels within epithelial circle (VEC) pattern as visualized by magnifying endoscopy with narrow-band imaging (ME-NBI) is a useful marker for the diagnosis of papillary adenocarcinoma: a case-controlled study
2014
Background and aims
Pathological studies indicate papillary adenocarcinomas are more aggressive than tubular adenocarcinomas, but a definitive diagnosis is difficult using conventional endoscopy alone. The vessels within an epithelial circle (VEC) pattern, visualized using magnifying endoscopy with narrow-band imaging (ME-NBI), may be a feature of papillary adenocarcinoma. The aims of our study were to investigate whether the VEC pattern is useful in the preoperative diagnosis of papillary adenocarcinoma and to determine whether VEC-positive adenocarcinomas are more malignant than VEC-negative lesions.
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