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目的分析34例脑脓肿患者脑部经CT增强扫描呈单发环状强化的病灶,并探讨其价值。方法对34例经手术及抗炎治疗证实的脑部病灶进行回顾性分析,讨论脑脓肿呈特异性的单发环状强化诊断及鉴别诊断。结果34例环形强化病灶中:其内低密度18例,等密度7例,混杂密度5例、且有钙化者4例;壁呈均匀强化者24例,壁有结节状强化6例,不规则强化4例;额叶12例,颞叶7例,顶叶6例,小脑半球3例,枕叶2例,脑深部3例;桥脑1例。脑脓肿22例、转移瘤8例、星形细胞瘤2例、陈旧血肿2例。结论CT对脑部单发呈环状强化的脑脓肿诊断及鉴别诊断具有较高价值。
Objective To analyze the brain lesions of 34 patients with brain abscess by single enhanced CT scan and investigate its value. Methods A retrospective analysis of 34 cases of brain lesions confirmed by surgery and anti-inflammatory treatment was conducted to discuss the diagnosis and differential diagnosis of single abscess-like enhancement of brain abscess. Results Among the 34 patients with annular enhancement, there were 18 cases with low density, 7 cases with equal density, 5 cases with mixed density and 4 cases with calcification. There were 24 cases with uniform wall enhancement and 6 cases with nodular enhancement on the wall. There were 12 cases of frontal lobe, 7 cases of temporal lobe, 6 cases of parietal lobe, 3 cases of cerebellar hemisphere, 2 cases of occipital lobe, 3 cases of deep brain and 1 case of pontine. 22 cases of brain abscess, 8 cases of metastases, 2 cases of astrocytoma, 2 cases of stale hematoma. Conclusion CT is of great value in the diagnosis and differential diagnosis of brain abscess with single ring enhancement.