Figure 7. Microscopic examination of breast hamartoma. Image A: H&E slide depicting a hypocellular lesion characterized by widely spaced, uniform spindle cells embedded in a dense collagenous stroma with no evidence of atypia or mitotic activity. Image B: Immunohistochemistry slide showing desmin positivity. Image C: Immunohistochemistry slide showing SMA positivity. Image D: Immunohistochemistry slide showing pancytokeratin negativity.
