摘要
目的:了解后颅窝肿瘤的CT特征性表现。方法:对41例经手术及病理证实的后颅窝肿瘤的CT表现进行回顾性分析。结果:听神经瘤12例(30%),脑膜瘤9例(22%),转移性肿瘤7例(17%),星型胶质细胞瘤5例(12%),室管膜瘤2例,其它髓母细胞瘤、血管母细胞瘤、皮样囊肿、脉络丛乳头状瘤、神经鞘瘤和结核瘤各1例。结论:后颅窝肿瘤缺乏CT特征性表现,必须综合分析,才能提高诊断正确率。
Objective: To study the CT featmes of posterior cranial fossa tumors. Methods: The CT findings of 4l cases 0f posterior fossa tumere verified by operation and Pathofogy were rebepectively analzed. Results: Acoustic nedrinom accouned for l2 cases (30% ), meningioma 9 cases (22% ), metastatic tumor 7 cases (17% ), astwytic gliofna 5 cases (12% ), ependytn0Ina 2 cases. And medull0blastoma,angioblastoma ,dermoid cyst, nendlemom, papilloma 0f chorid Plexus , tuhauloma was l respeChve1y. Conclusions:There are no chunteristic CT featurs of poSerior fossa tumare. To improve the accuray rate of diagnoSis a combnation of the patient's history, age of the Patient, tumor site and imaging data is necessary.
出处
《放射学实践》
1999年第3期155-157,共3页
Radiologic Practice