眼眶炎性假瘤为原发于眼眶组织的慢性非特异性炎症性病变,病因尚未清楚。过去曾认为因血管炎症或痉挛引起的血液循环障碍、局部或全身感染、中毒及异物等因素,造成眶脂肪缺氧、坏死、脂质溢出,可刺激肉芽肿性炎症形成。此后,又有学者提出鼻或鼻副窦炎 Orbital inflammatory pseudotumor is a non-specific chronic inflammatory disease of the primary origin in the orbital tissue, the etiology of which is unknown. In the past that due to vascular inflammation or spasm caused by blood circulation disorders, local or systemic infection, poisoning and foreign body and other factors, resulting in orbital fat hypoxia, necrosis, lipid leakage, can stimulate granulomatous inflammation. Since then, another scholars put forward nasal or nasal sinusitis