Associations among histological characteristics and patient outcomes in colorectal carcinoma with a mucinous component.

作者: Raul S Gonzalez , Justin M M Cates , Kay Washington

DOI: 10.1111/HIS.13748

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摘要: Aims Colorectal carcinoma (CRC) often has a mucinous component, with more than 50% mucin by volume defining the subtype of CRC. The prognostic impact phenotype remains unclear. Methods and results We evaluated 224 CRC at least 5% component (herein 'mCRC') for patient sex, age, race outcome; tumour size, location, stage microsatellite instability (MSI) status; percentage glands producing mucin; composed whether tumoral epithelium floated in pools; budding; signet ring cells (SRCs); peritumoural inflammation (PI). related these features to disease-specific survival compared outcomes 499 stage-matched, conventional colorectal adenocarcinomas. Factors predicting worse prognosis mCRC on univariable analysis included non-MSI-high status (P = 0.0008), SRC 0.0017) lack PI 0.0034). No parameters were independently associated outcome after adjusting multivariate analysis. did not affect prognosis, including recommended cut-off subtyping mCRC. Disease-specific adenocarcinomas similar accounting stage. Conclusions Stage-matched mCRCs have outcomes, no significance morphological subtyping. Histological characteristics mCRC, comprised mucin, predictive outcome.

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