Chinese Journal of Clinical Anatomy >
Quantitative anatomy of median nerve in the carpal tunnel: a cross-sectional study using magnetic resonance imaging in adolescent
Received date: 2014-11-10
Online published: 2015-04-21
Objective To investigate the value of quantitative anatomy of me-dian nerve in carpal tunnel among adolescent in the diagnosis and treatment for carpal tunnel syndrome. Methods A total of 56 wrists from 28 adolescents were collected via magnetic resonance imaging. Cross section area (CSA), swelling rate ofmedian nerve (MNSR) and flatteningrate of median nerve (MNFR) were measured according to magnetic resonance images from multiple sections of carpal tunnel, and were com-pared between genders as well as bilateral upper limbs. Regarding CSA, MNSR and MNFR, perimeters including age, body height and body weight were considered as potential correlative factors for further correlation analysis. Result With regard to CSA, MNFR and MNSR, no statistical difference was found between bilateral upper limbs. No statistical difference was found between genders concerning CSA and MNSR as well. MNFR in female was found to be statistically higher than that in male while a significant negative correlation was observed between MNFR and body height. Conclusion Magnetic resonance imaging(1.5T) used in quantitative anatomy of median nerve in carpal tunnel showed advantages of reliability and precision. There was significant difference between genders in Chinese adolescents regarding MNFR. The MNFR, having negative correlation with body height, appears to be much lower in Chinese individuals than that in westerners. For the Chinese individuals, the diagnostic standard for carpal tunnel syndrome based on MRI should be established referring to Chinese anatomical feature.
LIN Tian-Wu , OU Yang-Han-Bin , YANG Xiang , XIAO Meng , XIE Pu-Sheng , HU Jing , HUANG Wen-Hua . Quantitative anatomy of median nerve in the carpal tunnel: a cross-sectional study using magnetic resonance imaging in adolescent[J]. Chinese Journal of Clinical Anatomy, 2015 , 33(2) : 166 -170 . DOI: 10.13418/j.issn.1001-165x.2015
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