Squamous cell carcinoma with apocrine features of the breast: A case report

Naito,Yoshiki; Yamaguchi,Rin; Tanaka,Masaya; Saruwatari,Akihiro; Torii,Yoshikuni; Tsukamoto,Takahisa; Nishida,Naoyo; Higaki,Koichi

doi:10.3892/ol.2014.1800

2014-March Volume 7 Issue 3

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2014-March Volume 7 Issue 3

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Case Report

Squamous cell carcinoma with apocrine features of the breast: A case report

Authors:
- Yoshiki Naito
- Rin Yamaguchi
- Masaya Tanaka
- Akihiro Saruwatari
- Yoshikuni Torii
- Takahisa Tsukamoto
- Naoyo Nishida
- Koichi Higaki
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Affiliations: Department of Pathology, St. Mary's Hospital, Kurume 830‑8543, Japan, Department of Pathology and Laboratory Medicine, Kurume University Medical Center, Kurume 839‑0863, Japan, Department of Surgery, St. Mary's Hospital, Kurume, Fukuoka 830‑8543, Japan, Department of Radiology, St. Mary's Hospital, Kurume, Fukuoka 830‑8543, Japan
Pages: 647-650
|
Published online on: January 15, 2014

https://doi.org/10.3892/ol.2014.1800
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Abstract

A rare case of squamous cell carcinoma (SCC) with apocrine features was investigated; the focus was on the histological characteristics of the cancer cells in a 68‑year‑old female exhibiting an ulcerated lesion of the right breast. Diagnostic imaging methods identified a lobulated solid tumor and indicated multiple enlarged lymph nodes in the left axilla, which confirmed the diagnosis of advanced breast cancer; thus, a mastectomy was performed. Macroscopic investigations identified the tumor as a white, solid lesion measuring 66 x 68 x 47 mm, which exhibited necrosis. Histologically, the tumor was predominantly solid and exhibited nest patterns, in addition to intracellular keratinization. Immunohistochemical staining identified the tumor cells as positive for cytokeratin 5/6, 34βE12 and P63. The lesion was considered to be an SCC demonstrating negative expression for the human epidermal growth factor receptor 2, estrogen receptor and progesterone receptor; therefore, the tumor was a triple‑negative breast cancer. Conversely, approximately one‑third of the tumor cells indicated abundant eosinophilic cytoplasm and gross cystic disease fluid, which was demonstrated via protein‑15 staining; this indicated the presence of apocrine features. In addition, the androgen receptor was expressed in the tumor cells, thus the lesion was diagnosed as an SCC of the breast, exhibiting apocrine features.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Squamous cell carcinoma with apocrine features of the breast: A case report

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