Sinonasal Lymphoepithelial Carcinoma With Insulinoma-Associated Protein 1 (INSM1) Expression: A Potential Pitfall
International Journal of Surgical Pathology
Published online on December 22, 2025
Abstract
International Journal of Surgical Pathology, Ahead of Print.
Sinonasal lymphoepithelial carcinoma (SNLEC) is a rare malignancy composed of poorly differentiated epithelial cells with syncytial morphology and a variably dense lymphoplasmacytic infiltrate. Nearly all reported tumors are associated with Epstein–Barr ...
Sinonasal lymphoepithelial carcinoma (SNLEC) is a rare malignancy composed of poorly differentiated epithelial cells with syncytial morphology and a variably dense lymphoplasmacytic infiltrate. Nearly all reported tumors are associated with Epstein–Barr ...