lymphoepithelioma like carcinoma
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Clinical- nonsmoker (60%)
- peripheral
Histology- syncytial growth pattern
- large vesicular nuclei
- prominent eosinophilic nucleoli
- lymphocytic infiltrate
Stains- EBV+
- CK stains epithelial
- CD8 stains lymphocytic infiltrate
Ddx- lymphoma
- inflammatory pseudotumor
- lymphoid hyperplasia
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