INSM1 and acinar cell carcinoma: A systematic study on the expression of INSM1 in head and neck neuroendocrine tumors and carcinomas performed by Rooper et al. [30] showed that also SMARCB1-deficient sinonasal carcinoma, sinonasal adenocarcinoma, alveolar rhabdomyosarcoma, salivary adenocarcinoma, NOS, mucoepidermoid carcinoma, and acinic cell carcinoma expressed INSM1.