Case of the month - December 2006
History:
- 50 year old female - recurrent lump in breast - wide excision biopsy of 5 cm mass
Macro view of two slices of the lesion of the lesion
Low power view (x 1.25) of approximately one quarter of the lesion
Note the relationship between the edge of the lesion and adjacent normal breast tissue
Medium power view (x 20) showing stromal-epithelial relationship
'Mouse over' for high power (x40) view
Medium power view (x 20) showing stromal-epithelial relationship - second area
'Mouse over' for high power (x40) view - note frequent stromal mitoses
High power view (x 40) showing detail of stromal element of the lesion
Note mitotic figure (arrow) and multinucleate giant cells
High power views of bizarre mitoses in stromal cells
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- What are the main features in this biopsy?
- Are there any additional stains that might help you with the diagnosis?
- What is your diagnosis?