Abstract

Objective To study the MRI and pathologic features of brainstem gliomas.Methods All 94 patients underwent surgical operation.MRI and pathology were accessed using the chisquared statistic in all patients with brainstem gliomas.Results The grading of brainstem gliomas was related with tumor diameter( P =0.029),whether crossing midcourt line ( P =0.016),necrosis of tumor ( P ＜ 0.000), cystic degeneration ( P =0.004) and basilar artery engulfment ( P =0.001).Conclusions Brainstem glioma is regarded as a kind of heterogeneous tumor that could be distinguished by age of onset,clinical and radiological presentation and biological behavior.The grading of brainstem gliomas and prognosis could be predicted partially according to the tumor diameter,presence or absence of crossing midcourt line,necrosis of tumor,cystic degeneration and basilar artery engulfment. Key words: Brainstem; Gliomas; MRI; Pathology

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