HER2-Positive Metaplastic Spindle Cell Carcinoma Associated with Synchronous Bilateral Apocrine Carcinoma of the Breast

• Prif Awduron: Katsumi Kito (Awdur), Toshiharu Maeda (Awdur), Keiko Ninomiya (Awdur), Atsuro Sugita (Awdur), Teiri Sagawa (Awdur), Kinya Matsuoka (Awdur), Kousei Kinoshita (Awdur), Naoki Hyodo (Awdur), Nagisa Morita (Awdur), Keizo Furuya (Awdur)
• Fformat: Llyfr
• Cyhoeddwyd: Hindawi Limited, 2014-01-01T00:00:00Z.
• Pynciau: article
• Mynediad Ar-lein: Connect to this object online.

Apocrine carcinoma, which is strictly defined as over 90% of tumor cells showing apocrine differentiation, is a rare variant of breast cancer. Here we report an uncommon case in which apocrine carcinomas developed concurrently in both breasts; in addition, a sarcomatoid spindle cell lesion was coinc...