Case of the month - April 2007
History:
- 50 year old female - Short history of right axillary lymphadenopathy - clinically suspicious - FNA right axilla
Low power view (x 10) showing background of lymphocytes with scattered giant cells

Medium power view (x 20) showing foreign body giant cells
'Mouse over' for high power (x40) view showing frequent lipoid vacuoles

- What are the main features in this smear?
- Are there any additional studies that might help you?
- What is your diagnosis?