AAS ›› 2013, Vol. 44 ›› Issue (5 ): 661-664.doi: 10.3969/j.issn.0529-1356.2013.05.015

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Image anatomy of internal capsule in hunman brain

QIN Yuan1 CHEN Nan3 GUO Yu-lin 2* LI Kun-cheng3   

  1. 1. Diagnostic Center of CT·MRI,Chongqing Three Gorges Central Hospital, Chongqing 404000,China; 2. Department of Radiology,Ningxia Medical University,Yinchuan 750004, China; 3.Department of Radiology,Xuanwu Hospital, Capital Medical University, Beijin 100053,China
  • Received:2012-09-20 Revised:2012-11-14 Online:2013-10-06 Published:2013-10-06

Abstract:

Objective To study the anatomy characteristics of the internal capsule in the normal adults of Han nationality. Methods One thousand (2000 cerebral hemispheres) healthy Chinese Han adults were divided into 18-30,31-40,41-50,51-60,61-80 years old age groups, 100 males and 100 females per group.All the subjects underwent 1.5T MR scans using T1 weighted three-dimensional magnetization prepared rapid acquisition gradient echo sequence,and using 3D analysis software (Midobl) manual lays out the various anatomical value, the software automatically calculates its anatomical parameter values.
Results 1. The anteroposterior diameters of left and right anterior limbs were (16.93±1.67) mm and (16.60±1.72) mm,left and right posterior limbs were (28.42±1.92) mm and (27.68±1.81) mm. 2. The lateral dimensions of left and right anterior limb were (11.25±1.52) mm and (11.10±1.53) mm and that of the left and right posterior limb were (20.10±2.33) mm and (19.44±2.17) mm. 3. The standard axial plane, the angle between the anterior limb and posterior limb of left and right internal capsule respectively were (125.66±2.38)°, (126.01±34.11)°. Conclusion High-resolution MRI can provide more precise images of the internal capsule and measurement data. This study provides reference ranges of the internal capsule in normal adults of Chinese Han.

Key words: Internal capsule, Image anatomy, Magnetic resonance imaging, Adult