Paranasal sinus radiology,part 1 B: The frontal sinuses

Alteration in the appearance of the mucosa, fluid accumulations, and changes in the shape and texture of the sinus wall form the basis of the radiologic information that aids in the diagnosis of frontal sinus disease. Inflammatory disease of the frontal sinuses was discussed in Part 1A of this article; other disease processes of the frontal sinuses as they appear in the various roentgenographic modalities are described and illustrated here.