中枢神经系统医学影像诊断学课件.ppt

1、中枢神经系统医学影中枢神经系统医学影像诊断学像诊断学检查技术第一节正常影像学表现学习要点学习难点一、正常X线表现（平片1）一、正常X线表现（平片2）一、正常X线表现（平片3）一、正常X线表现（平片4）一、正常X线表现（平片5）正常头颅平片（正位）正常头颅平片（侧位）正常蝶鞍（图）蝶鞍测量一、正常X线表现（血管造影1）一、正常X线表现（血管造影2）一、正常X线表现（血管造影3）正常脑血管造影（线图）正常脑血管造影（图）一、正常X线表现（血管造影4）正常脑血管造影（图）一、正常X线表现（血管造影5）二、正常声像图表现三、正常CT表现（平扫） 三、正常CT表现（增强）正常表现（CT轴位1）正常表现（

2、CT轴位2）正常表现（CT轴位3）正常表现（CT轴位4）正常表现（CT轴位5）正常表现（CT轴位6）四、正常MRI 表现正常表现（MRI冠状1）冠状位 T1WI正常表现（MRI冠状2）冠状位 T2WI正常表现（MRI矢状1）矢状位 T1WI正常表现（MRI矢状2）矢状位 T2WIMRI新技术MRS（1）MRS（2）右额叶急性期脑梗死DWI右侧大脑半球梗塞（大脑中动脉供血区）病例1两个梗死灶均未累及皮质脊髓束，病人病例1 DTT病例2病例2 DTT病例3右侧皮质脊髓束受压无中断，治疗后右侧皮质脊髓束受压无中断，治疗后6天复查，压迫缓解天复查，压迫缓解病例3 DTTPWI5 小时小时病例CBFCB

3、VLow CBF (blue )Normal CBVLess vessles低灌注：脑缺血2天后随诊低灌注区恢复天后随诊低灌注区恢复 CBF下降而 CBV正常区为缺血半暗带fMRIBilateral inferior parietal lobules and occipital lobes activated3-D shape recognitionpure tones stimulusBilateral temporal lobes were lesser activated in hearing loss subjects but bilateral occipital lobes wer

4、e more activated functional reorgnization in hearing loss subjects healthy subjectssensorineural hearing loss subjects Oral presentation in RSNA 2005Chinese words:Bilateral Brocas areasEnglish words:Bilateral cigulated gyrusPresented in RSNA 2004Bilingual semantic judgementRight-handed groupleft-han

5、ded groupright-handed group: left hemisphere dominant left-handed group: right hemisphere dominant mental calculationMusical scale:left amygdaline activated Scary music:bilateral amygdalines activated Amygdaline responsible for emotion Non-pointsSensory area: postcentral gyrusRight language pointsLeft language:WernickesLeft language pointsRight language :WernickesAcupuncture language points (Tongli and Shangqiu: Aphasia treatment)谢谢！