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Turk Neurosurg ; 22(6): 763-8, 2012.
Article in English | MEDLINE | ID: mdl-23208910

ABSTRACT

AIM: The aim of this study was to try to find parametric ratios for the diagnosis and pathophysiology of carpal tunnel syndrome using MR. MATERIAL AND METHODS: Dominant side wrist MRI examinations of 27 female carpal tunnel patients and 21 normal females were compared. The carpal tunnel contents area / carpal tunnel cross section area ratio was defined, analysed and discussed with the literature. RESULTS: Carpal tunnel contents / wrist area ratios of the carpal tunnel patients were measured and compared with the control group. This comparison revealed that the proportion of the contents of the carpal tunnel is increased in the carpal tunnel syndrome patients. Palmar bowing was found to be increased and median nerve cross section area was found to be increased at the proximal entrance of the carpal tunnel. CONCLUSION: As Phalen has postulated, the volume of the contents of the carpal tunnel were found to be increased in the carpal tunnel syndrome patients. Carpal tunnel cross section areas remained the same with the control group. This increase can be demonstrated by MRI imaging which can provide an evidence for the pathophysiology of carpal tunnel syndrome.


Subject(s)
Carpal Tunnel Syndrome/physiopathology , Magnetic Resonance Imaging , Median Nerve/physiopathology , Wrist Joint/physiopathology , Wrist/physiopathology , Adult , Carpal Tunnel Syndrome/diagnosis , Diagnostic Imaging/methods , Female , Humans , Magnetic Resonance Imaging/methods , Middle Aged , Wrist Joint/pathology
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