| 听神经瘤MRI表现与病理对照分析 |
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| 引用本文： | 方芳,胡少平?.听神经瘤MRI表现与病理对照分析[J].CT理论与应用研究,2019,28(6):731-738. |
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| 作者姓名： | 方芳 胡少平? |
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| 作者单位： | 武汉市红十字会医院放射科,武汉430015;武汉市红十字会医院放射科,武汉430015 |
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| 摘 要： | 目的:对比分析桥小脑角区听神经瘤MRI表现及病理特征相关性，提高对其影像诊断水平。方法:回顾性分析通过外科手术且病理证实的24例听神经瘤MRI表现，包括形态、截面大小、信号、弥散受限程度及增强扫描强化程度，与病理特征对照分析。结果:24例听神经瘤中囊实性病灶18例，14例与内听道关系密切，2例伴出血，14例病灶周围脑组织水肿，1例病灶实性部分呈轻度弥散受限，增强扫描实性部分强化，囊壁强化，囊内无强化，病理特点为Antoni A型和Antoni B型细胞共存；实性病灶4例，均与内听道关系密切，1例病灶内出血，2例伴周围脑组织水肿，2例轻度弥散受限，增强扫描均强化。病理特征:以丰富的Antoni A型细胞为主；2例囊性病灶，增强扫描囊壁强化，其中1例与内听道关系密切，1例伴有周围脑组织水肿，2例均无出血成分及弥散受限征象。病理特点:主要由Antoni B型细胞构成，囊壁成分为Antoni A型细胞。结论:听神经瘤MRI表现在一定程度上反映其病理特征，MRI检查对其诊断与鉴别诊断有一定帮助。
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| 关 键 词： | 桥小脑角区 内听道 病理 |
| 收稿时间： | 2019-08-12 |
Comparative Analysis of MRI Findings and Pathology in Acoustic Neuroma |
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| Institution: | Department of Radiology, Red Cross Hospital, Wuhan 430015, China |
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| Abstract: | Objective: Comparative analysis of the correlation between MRI findings and pathological features of acoustic neuroma for the improvement of the diagnostic imaging level of the disease. Methods: Retrospective analysis of 24 cases of acoustic neuroma MRI findings confirmed by surgery and pathology, including morphology, size, signal, diffusion limitation and enhanced scanning enhancement, compared with pathological features. Results: There were 18 solid cystic lesions of acoustic neuroma in 24 cases, 14 cases with internal auditory canal enlargement, 2 cases with Hemorrhage, cerebral tissue edema around 14 lesions, 1 case of solid part was slightly diffuse restricted, enhanced scanning of the solid part of the moderate-obvious strengthening, cystic part without strengthening. The pathological features are the coexistence of Antoni A-type cells and Antoni B-type cells. 4 cases of solid lesions all with internal auditory canal enlargement, 1 case with hemorrhage, 2 cases with peripheral brain tissue edema, 2 cases with mild diffusion limitation, and enhanced scans are moderately-apparently enhanced. Pathological features: mainly rich Antoni A spindle cells.2 cases of cystic enhanced scanning wall enhancement, 1 case with internal auditory canal enlargement, 1 case with peripheral brain tissue edema; 2 cases with capsule, there were no hemorrhagic components and diffuse restricted signs in the lesions. Pathological features: It is mainly composed of Antoni type B cells, and the wall component is Antoni type A cells.Conclusion: MRI findings of acoustic neuroma reflect the pathological features to a certain extent, and MRI examination is helpful for its diagnosis and differential diagnosis. |
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