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Siegelmann-Danieli, N., Murphy, T.J., Meschter, S.C., Stein, M.E. and Prichard, J. (2005) Primary Pure Squamous Cell Carcinoma of the Breast. Clinical Breast Cancer, 6, 270-272.
https://doi.org/10.3816/cbc.2005.n.030

has been cited by the following article:

• TITLE: Primary Squamous Cell Carcinoma of the Breast: A Case Report

  AUTHORS: Lalaina Nomenjanahary, Zo Irène Raivoherivony, Vahatra Joëlle Razafimahefa, Nantenaina Soa Randrianjafisamindrakotroka

  KEYWORDS: Breast Cancer, Cytokeratin, Estrogen Receptor, Progesterone Receptor, Squamous Cell Carcinoma

  JOURNAL NAME: Open Journal of Pathology, Vol.16 No.1, November 18, 2025

  ABSTRACT: Primary squamous cell carcinoma of the breast is rare. We report a case of primary squamous cell carcinoma of the breast. It is a 47-year-old woman. She has an ulcerated, budding mass measuring 11 cm in diameter in the right breast. She underwent a right mastectomy. The diagnosis was non-keratinizing, moderately differentiated squamous cell carcinoma of the breast, stage IIIB invasive. Immunohistochemical testing was negative for estrogen and progesterone receptors but positive for cytokeratin CK 5/6. Diagnosis is histological and it is important to differentiate its primary breast origin from skin tumors or metastases from other organs.