Literature course based on:

EPOS poster (ECR 2018/C-2216): "Paranasal sinus opacification: Imaging patterns in tumours and histological correlation."

Learning objectives:
• to make the reader familiar with the salient imaging characteristics of common benign and malignant tumors of paranasal sinus.
• to emphasize the imaging modalities, protocols and sequences necessary for appropriate characterization of these tumors.
• to delineate the characteristic histopathological findings mandatory for differentiation of indeterminate tumors on imaging.