Fine-needle aspiration cytology of a minimal carcinoma of the breast with neuroendocrine features

A case of breast carcinoma with neuroendocrine features is described in a 62-year-old nulliparous female, in which the fine-needle aspiration cytodiagnosis rr ns of a breast carcinoma. Carcinoma of the breast with neuroendocrine features is an unusual variant which may be observed in several histologic types of mammary carcinoma. An awareness of this tumor is essential in view of the increasing use of fine-needle aspiration cytology as a minimally invasive, first line of investigation of a breast abnormality. The case presented here is also of interest since the tumor was only 5 mm in diameter (a minimal carcinoma). Diagn. Cytopathol. 1998;19:107-109. (C) 1998 Wiley-Liss,Inc.