The differential diagnosis of orbital inflammatory diseases (including orbital pseudotumors) can be divided based on their location into:
- dacryoadenitis of lacrimal glands
- myositis of extraocular muscles
- perineuritis of optic nerve
-
orbital cellulitis
- preseptal
- postseptal
- orbital apicitis
- periscleritis
- diffuse orbital inflammatory disease
- vasculitis and autoimmune diseases such as:
- sclerosing orbital inflammation