Cite this page: Pernick N. Orbit and optic nerve: mucocele of orbit. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyeorbitmucocele.html. Accessed October 18th, 2019.
Definition / general
- Due to chronic inflammation of frontal or ethmoid sinus
- Lesion erodes sinus wall, produces downward and lateral displacement of globe
- Insidious onset with slow and asymptomatic enlargement
Microscopic (histologic) description
- Cystic mass lined by ciliated, mucus-secreting columnar epithelium with scarring and inflammation