Various malignant neoplasms of salivary gland origin, including adenocarcinoma, ACC, and mucoepidermoid carcinoma, can develop in the sinonasal tract. Adenoid cystic carcinoma is the most common.1,2The characteristic biologic features of the ACC are local recurrence, perineural spread, and late distant metastasis. The maxillary sinus is the most common site of sinonasal ACCs.3- 5In our case, it was difficult to define the tumor origin because of the huge size of the tumor.
Radiology Quiz Case 2: Diagnosis. Arch Otolaryngol Head Neck Surg. 2008;134(9):1011. doi:10.1001/archotol.134.9.1011