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目的 探讨眼眶炎性假瘤的 CT特征。方法 对 8例经手术病理或临床随诊证实的眼眶炎性假瘤的 CT表现作回顾性分析。结果 肿块型 4例 ,3例单侧发病 ,1例双侧发病 ,位于眼球后方 ,密度不均 ,边界不清 ;泪腺炎型 2例 ,均为泪腺区软组织肿块 ,密度均匀 ,边界清楚 ;肌炎型 1例 ,单侧发病 ,左内直肌增粗伴同侧副鼻窦炎 ;弥漫型 1例 ,左侧眶内球后弥漫性病变 ,密度不均 ,眶内结构分界不清。结论 眼眶炎性假瘤的 CT表现有一定的特点 ,CT能明确病变部位、范围和对炎性假瘤的分型。
Objective To investigate the CT features of orbital inflammatory pseudotumor. Methods The CT findings of 8 cases of orbital inflammatory pseudotumor confirmed by operation and pathology or clinically followed up were retrospectively analyzed. Results There were 4 cases of lump type, 3 cases of unilateral disease and 1 case of bilateral disease, located behind the eyeball with uneven density and unclear boundary. Two cases of lacrimal gland inflammation were soft tissue mass of lacrimal gland area with uniform density and clear boundary. 1 case of inflammation, unilateral disease, thickening of the left rectus muscle with ipsilateral sinusitis; diffuse type in 1 case, diffuse lesions of the left orbital ball, uneven density, orbital structure demarcation is not clear. Conclusion CT manifestations of orbital inflammatory pseudotumor have certain characteristics. CT can confirm the location, range and type of inflammatory pseudotumor.