Jan 16, 2024 · Atypical lobular hyperplasia (ALH) is a clonal proliferation of discohesive epithelial cells arising in terminal duct lobular units

Oct 8, 2024 · LCIS classic is a noninvasive, neoplastic proliferation of small, uniform, dyscohesive cells that originates in the terminal duct lobular unit and fills and distends most of the acini of …

Oct 18, 2024 · Breast nonmalignant - Fibroadenoma is a benign biphasic tumor composed of a proliferation of both glandular epithelial and stromal components of the terminal duct lobular unit

Stains - p120 cateninMembranous p120 catenin staining pattern is seen in many normal epithelial and nonepithelial tissues (Am J Surg Pathol 2007;31:427, Arch Pathol Lab Med …

Apr 19, 2022 · Atypical ductal hyperplasia is an intraductal clonal epithelial cell proliferation with similar histologic features to (but insufficient involvement or volume for the diagnosis of) low …

Jan 15, 2025 · WHO acceptable: Flat epithelial atypia Also columnar alteration with atypia (columnar cell change with atypia or columnar cell hyperplasia with atypia) Not recommended …

Oct 3, 2023 · E-cadherin is a transmembrane protein involved in cellular adhesion and polarity maintenance

Oct 3, 2023 · Pleomorphic lobular carcinoma in situ (PLCIS) is a morphologic subtype of lobular carcinoma in situ (LCIS) composed of a noninvasive neoplastic proliferation of large …

Feb 3, 2025 · Nonneoplastic alteration characterized by spherules of basement membrane material surrounded by myoepithelial cells

May 14, 2024 · Answer A is incorrect because atypical lobular hyperplasia (ALH) shows similar cytologic features to florid LCIS; however, criteria for ALH include either type A or type B cells …