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Primary neuroendocrine carcinoma of the breast: a case report
Arzu Yaren1, Canan Kelten, Metin Akbulut
1Department of Internal Medicine, Division of Medical Oncology, Faculty of Medicine, University of Pamukkale, Denizli, Turkey. arzu_yaren@yahoo.com
Abstract:
Primary neuroendocrine carcinoma of the breast is an extremely rare tumor. We present our experience of primary neuroendocrine carcinoma of the breast in a 76-year-old woman. Surgical biopsies from breast and axillary lymphadenopathy showed a neuroendocrine carcinoma. Immunohistochemical staining of tumor cells with GCDFP15, NSE and chromogranin were positive. Computed tomography scans of the chest and abdomen showed no lesion for metastasis or another primary origin. Adjuvant hormone therapy was given, since the tumor was immunohistochemically receptor positive.