✓ Mucoceles arising from accessory paranasal sinuses about the orbit are quite rare. A case is reported of a retro-orbital mucocele arising from the pterygoid recess of the sphenoid sinus. The clinical and anatomical presentations, computerized tomographic and magnetic resonance imaging characteristics, and laser surgical management of such lesions are described.
Comparison of image quality and in vivo appearance of the normal equine nasal cavities and paranasal sinuses in computed tomography and high field (3.0 T) magnetic resonance imaging