Cytologically Yours: Unknowns: 201312: Case 2

Contents

Clinical History

88 year old female. Right breast FNA.

Cytology

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Resident Questions

• Diagnosis?

• Cytology diagnosis: Papillary lesion
• Surgical diagnosis: Intraductal papilloma

Cytologic Features

• Hypercellular smears
• Large cohesive fragments with papillary architecture and fibrovascular cores.
• Short or tall columnar cells, often palisading the papillae
• Atypia may be present