Nonepithelial tumors of the paranasal sinuses and nasal cavity. Role of CT and MR imaging.

This article reviews some of the applications of computed tomographic (CT) and magnetic resonance (MR) imaging in the clinical investigation of nonepithelial tumors and tumorlike lesions of the sinonasal tract. Sixty selected patients primarily with various nonepithelial tumors of the sinonasal tract were included in this study. The MR characteristics of many of these lesions are described.