SMARCA4-deficient Sinonasal Malignant Tumor With Striated Muscle and Neuroendocrine Differentiation

*Department of Pathology, The First Hospital of China Medical University †Department of Pathology, College of Basic Medical Sciences of China Medical University, Shenyang, Liaoning Province, China Conflicts of Interest and Source of Funding: supported by the Natural Science Foundation of Liaoning Province (grant no. 2022-MS-198 to L.X.Y.). The authors have disclosed that they have no significant relationships with, or financial interest in, any commercial companies pertaining to this article. Correspondence: Xuyong Lin, MD, Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, 155 Nanjing North Street, Heping District, Shenyang 110001, Liaoning Province, China, (e-mail: [email protected]).