Unusual S-100 and SOX10 immunoreactivity in a case of basal-HER2 metaplastic carcinoma of the breast: A potential diagnostic pitfall

• Main Authors: Kaishi Satomi (Author), Kenjiro Jimbo (Author), Chikako Shimizu (Author), Chikako Sekine (Author), Eriko Iwamoto (Author), Takeshi Murata (Author), Sho Shiino (Author), Shin Takayama (Author), Akiko Maeshima (Author), Takayuki Kinoshita (Author), Kenji Tamura (Author), Masayuki Yoshida (Author)
• Format: Book
• Published: Elsevier, 2020-09-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Metaplastic carcinoma (MC) is a highly malignant tumor that is mainly classified as a triple-negative subtype exhibiting basal markers on immunohistochemical testing. Immunohistochemical findings of S-100 and SOX10 are useful and valuable in the differential diagnosis of Schwannian, melanocytic, and...