CT and multimodal imaging findings of primary orbital Ewing's sarcoma involving the middle cranial fossa: a case report

• 来源期刊: 生物医学研究杂志（英文版）
• 年，卷（期）: 2017,（2）
• 页码范围: 170-174
• 页数: 5页
• 语种: 英文
• DOI: 10.7555/JBR.30.20140132

摘要

This report details the CT and MR imaging findings of a primary orbital Ewing's sarcoma case involving the middle cranial fossa in a 13-year old boy.CT showed an ill-circumscribed homogeneous soft-tissue density mass with needle-like bone reaction.On MRI,the mass showed homogeneous iso-intensity on T1WI,heterogeneous hyperintensity on T2WI,and marked homogeneous enhancement.Meanwhile,the mass was hyper-intense on DWI,and ADC value was 575× l0-6 mm2/s.The mass showed as high rCBV and rCBF,prolonged MTT based on DCSPWI,and wash-out pattern of TIC derived from the DCE-MRI.Our case suggests that functional MRI modalities,including DWI,DSC-PWI or DCE-MR,could provide additional information for differential diagnoses.Both CT and MRI should be performed and comprehensively analyzed for limiting differential diagnoses,determining lesion extension and facilitating operative approach.