The prognostic impact of histology in esophageal and esophago-gastric junction adenocarcinoma

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on behalf of the EACSGE Study Group , Fiocca , R , Mastracci , L , Lugaresi , M , Ristimäki , A , Räsänen , J & Mattioli , S 2021 , ' The prognostic impact of histology in esophageal and esophago-gastric junction adenocarcinoma ' , Cancers , vol. 13 , no. 20 , 5211 . https://doi.org/10.3390/cancers13205211

Title: The prognostic impact of histology in esophageal and esophago-gastric junction adenocarcinoma
Author: on behalf of the EACSGE Study Group; Fiocca, Roberto; Mastracci, Luca; Lugaresi, Marialuisa; Ristimäki, Ari; Räsänen, Jari; Mattioli, Sandro
Other contributor: University of Helsinki, Department of Pathology
University of Helsinki, HUS Heart and Lung Center






Date: 2021-10-01
Language: eng
Belongs to series: Cancers
ISSN: 2072-6694
DOI: https://doi.org/10.3390/cancers13205211
URI: http://hdl.handle.net/10138/335837
Abstract: Stage significantly affects survival of esophageal and esophago-gastric junction adenocarcinomas (EA/EGJAs), however, limited evidence for the prognostic role of histologic subtypes is available. The aim of the study was to describe a morphologic approach to EA/EGJAs and assess its discriminating prognostic power. Histologic slides from 299 neoadjuvant treatment-naïve EA/EGJAs, resected in five European Centers, were retrospectively reviewed. Morphologic features were re-assessed and correlated with survival. In glandular adenocarcinomas (240/299 cases—80%), WHO grade and tumors with a poorly differentiated component ≥6% were the most discriminant factors for survival (both p < 0.0001), distinguishing glandular well-differentiated from poorly differentiated adenocarcinomas. Two prognostically different histologic groups were identified: the lower risk group, comprising glandular well-differentiated (34.4%) and rare variants, such as mucinous muconodular carcinoma (2.7%) and diffuse desmoplastic carcinoma (1.7%), versus the higher risk group, comprising the glandular poorly differentiated subtype (45.8%), including invasive mucinous carcinoma (5.7%), diffuse anaplastic carcinoma (3%), mixed carcinoma (6.7%) (CSS p < 0.0001, DFS p = 0.001). Stage (p < 0.0001), histologic groups (p = 0.001), age >72 years (p = 0.008), and vascular invasion (p = 0.015) were prognostically significant in the multivariate analysis. The combined evaluation of stage/histologic group identified 5-year cancer-specific survival ranging from 87.6% (stage II, lower risk) to 14% (stage IVA, higher risk). Detailed characterization of histologic subtypes contributes to EA/EGJA prognostic prediction.
Subject: Esophageal adenocarcinoma
Esophago-gastric junction adenocarcinoma
Histology
Prognosis
3122 Cancers
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