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研究眼球后占位性病变的ＣＴ与超声检查法（ＵＳＧ）表现并与超声引导下穿刺结果对照，探索提高球后占位性病变的正确诊断率。方法 收集４５例同一时期内具有眼眶ＣＴ和ＵＳＧ检查、穿刺结果者，并对两者进行对照分析。结果 与病理结果对照，球后脓肿、黏液囊肿两者诊断率相似；骨化纤维瘤、颅咽管瘤、纤维增生、软骨肉瘤、沟通性脑膜瘤及恶性肿瘤ＣＴ诊断正确率高于ＵＳＧ，血管瘤、神经纤维瘤ＵＳＧ正确诊断率高于ＣＴ。结论 ＵＳＧ可从各个方位了解病变形状、内回声、透声性及可压缩性，易穿刺活检，有助于病变的定性；ＣＴ可了解病变的大小、形状和病变与邻近解剖结构的关系，两者互补可更全面诊断病变。
To study the CT and ultrasonography (USG) manifestations of posterior capsular lesions and compare them with ultrasound-guided puncture results to explore and improve the correct diagnosis of space-occupying lesions. Methods Forty-five cases with and without orbital CT and USG examination were collected during the same period, and the results were compared between the two. Results Compared with the pathological results, the posterior ball abscess and mucinous cyst had similar diagnostic rates. The diagnostic accuracy rate of ossification, craniopharyngioma, fibrogenesis, chondrosarcoma, communicable meningiomas and malignant tumors was higher than that of the USG, Oncology, neurofibromatosis USG correct diagnosis rate is higher than CT. CONCLUSION: The USG can understand the lesion shape, internal echo, transmissibility and compressibility from various aspects and is easy to puncture the biopsy, which is helpful for the qualitative diagnosis of the disease. CT can understand the relationship between the size, shape and lesion of the lesion and the adjacent anatomy. Complementary can be more comprehensive diagnosis of lesions.