title: Pseudotumor.
abstract: The term "pseuduotumor" is currently used to mean idiopathic orbital inflammation. CT can be of help in differentiating idiopathic orbital inflammation from thyroid ophthalmopathy and lymphoid tumors. The CT findings are reviewed along with important clinical and pathologic aspects.
mesh_terms: D003937:Diagnosis, Differential; D006111:Graves Disease / Q000000981:diagnostic imaging; D006801:Humans; D007249:Inflammation / Q000000981:diagnostic imaging / Q000473:pathology; D008223:Lymphoma / Q000000981:diagnostic imaging; D009220:Myositis / Q000000981:diagnostic imaging; D009902:Optic Neuritis / Q000000981:diagnostic imaging; D009916:Orbital Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D009918:Orbital Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D014057:Tomography, X-Ray Computed