磁敏感加权成像对轻型脑损伤的早期诊断  

Early diagnosis of mild brain injury by susceptibility weighted imaging

作　　者：李改峰[1] 张晓阳[1] 高明[1] 

机构地区：[1]河南省周口市中心医院神经外科一病区,466000

出　　处：《中国实用医刊》2014年第8期55-57,共3页Chinese Journal of Practical Medicine

摘　　要：目的探讨3．OTMRI磁敏感加权成像（SWI）技术对轻型脑损伤（MBI）的早期诊断。方法对周口市中心医院神经外科收治的42例入院时头颅CT阴性的MBI患者在入院48h内行3．0TMRI—SWI序列检查，明确脑微出血灶（cMB）的部位、数量等。结果42例中CMB位于皮层18例（42．9％），脑白质14例（33．3％），胼胝体7例（16．7％），基底节及脑干3例（7．1％）；CMB数量单发20例（47．6％），2个14例（33．3％），多发8例（19．1％）。结论SWI为头颅CT阴性的MBI患者提供了确切的早期诊断依据，且量化了CMB的程度和范围，结合伤后昏迷时间明确了原发性脑损伤的鉴别诊断，为MBI的临床治疗及顸后评估提供了直接的影像学基础。Objective To investigate the early diagnosis of mild brain injury （MBI） by 3.0T MRI susceptibility weighted imaging （SWI）. Methods Forty-two cases of MBI in Zhoukou central hos- pital with negative head CT were examined by 3.0T MRI-SWI in 48 hours and identified location and quantity of cerebral microbleed（CMB）. Results In 42 cases, 18 cases （42.9%） with CMB located in the cortex, 14 cases （33.3%） located in alba, 7 cases（16.7% ） located in corpus eallosum, 3 eases （7.1%） located in basal nucleid and brainstem. As to the quantities of CMB, 20 cases （47.6%） were single, 14 cases （33.3%） were double, 8 cases（19. 1% ） were more than three. Conclusions SWI exactly provides early diagnosis with negative head CT and quantifies degree and range of CMB, it identi- fies the differential diagnosis of primary brain injury together with coma time postinjury. It also provides first-hand iconography for clinical therapy and evaluatin~ oro^nosis.

关 键 词：轻型脑损伤 磁敏感加权成像 脑微出血 

分 类 号：R651.15[医药卫生—外科学]