Fiche publication


Date publication

mars 2018

Journal

Histopathology

Auteurs

Membres identifiés du Cancéropôle Est :
Dr ARNOULD Laurent


Tous les auteurs :
Bataillon G, Fuhrmann L, Girard E, Menet E, Laé M, Capovilla M, Treilleux I, Arnould L, Penault-Llorca F, Rouzier R, Marchiò C, Bieche I, Vincent-Salomon A

Résumé

Low-grade adenosquamous carcinoma of the breast (LGASC) is a rare variant of metaplastic carcinoma characterized by a favorable outcome and histologically composed of glandular and squamous elements in a spindle cell background typically associated with a lymphocytic stromal reaction. Due to its rarity, the immunophenoptypical and genetic profile LGASC has not been sufficiently characterized. The aim of this study was to gain insight into the molecular and phenotypic characteristics of LGASC. We reviewed the clinical, morphological features and detailed the immunohistochemical characteristics of a retrospective series of 13 LGASCs. Targeted sequencing of 50 genes was performed in 10/13 cases. Identified mutations were further assessed by Sanger sequencing in a validation series of 11 additional cases. This article is protected by copyright. All rights reserved.

Mots clés

PIK3CA mutations, androgen receptor, breast cancer, low-grade adenosquamous carcinoma, metaplastic carcinoma

Référence

Histopathology. 2018 Mar 14;: