orbital inflammatory pseudotumor
Etiology
foreign body (17357321)
inflammatory myofibroblastic tumor of the orbit (17110698)
References
Yan J, Li Y, Qiu H, Lu G, Wu Z, Lin J, Zhang W. Immunohistochemical study of the presence of mast cells in idiopathic orbital inflammatory pseudotumor: possible role of mast cells in the course of its pathogenesis. Int Ophthalmol. 2007 Aug;27(4):235-9. PMID: 17464452