Figure 3From: Cytologic features of nipple aspirate fluid using an automated non-invasive collection device: a prospective observational studyA-B. Category I. Benign (non-hyperplastic) ductal epithelial cells. The breast ductal epithelial cells are single, small, and uniform (arrow-A). Foam cells are a frequent finding (arrow-B). Apocrine metaplastic cells are sometimes identified. Pap 100X.Back to article page