Lymphoepithelioma-like carcinoma of the breast presenting as breast abscess

Figure 2 Pathology findings. A, B: Breast, core needle biopsy: large area of necrosis with chronic inflammation and fibrosis at periphery of lesion, 4X magnification (A); 16X magnification of A showing rare, atypical cells (arrows, B); C, D: Breast, surgical excision: poorly circumscribed lesion adjacent to previous biopsy site, 10X magnification (C); high grade carcinoma with marked pleomorphism and syncytical growth somewhat obscured by marked intra- and peri-turmoral inflammatory infiltrate (D) characteristic of LELC, 10X magnification; E-H: Immunophenotype: ER negative (E), PR negative (F), Her-2/neu 1+ (G), and Ki-67 27% (H). 10X magnification. ER: Estrogen-receptor; PR: Progesterone-receptor.