AdCC是一种低度恶性潜能的肿瘤,预后一般很好,复发和进展罕见。应将AdCC分为3种类型以便更好地预测预后:①经典型AdCC,预后好,无复发或转移,局部完全切除肿瘤即可。②具有实性-基底样特征的AdCC(SB-AdCC)可复发和局部转移,但经过长期随访发现多数患者并不死于肿瘤。③AdCC伴高级别转化,以经典型AdCC基础上出现高级别恶性成分为特征,可导致患者死亡。 参考文献 1. Allison H.,Brogi E.,Ellis O, et al. WHO Classification of Tumours Editorial Board Breast Tumours,20192. 梅开勇,郭双平主译,《乳腺病理学》, 2021,11-173. 李国霞主译,《乳腺病理活检解读》第3版,20194. Luciano G Martelotto 1, Maria R De Filippo 1, Charlotte K Y Ng 1, et al. Genomic landscape of adenoid cystic carcinoma of the breast,J Pathol. 2015 Oct;237(2):179-89.5. Louis B Brill 2nd 1, William A Kanner, André Fehr, et al.Analysis of MYB expression and MYB-NFIB gene fusions in adenoid cystic carcinoma and other salivary neoplasms.Mod Pathol. 2011 Sep;24(9):1169-76.6. Sandra J Shin 1, Paul Peter Rosen.Solid variant of mammary adenoid cystic carcinoma with basaloid features: a study of nine cases.Am J Surg Pathol. 2002 Apr;26(4):413-20. 本病例属学术交流,欢迎批评指正。