일측성 척골 신경병증에서 적외선 체열진단검사의 임상적 의의
Clinical Significance of Digital Infrared Thermal Imaging in Unilateral Ulnar Neuropathy
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Objective: The aim was to assess the clinical value of digital infrared thermographic imaging (DITI) as diagnostic tool in patients with unilateral ulnar neuropathy Methods: Twenty-six patients who were diagnosed as having unilateral ulnar neuropathy electrophysiologically and eighteen healthy subjects were evaluated. Patients were divided into two groups by severity of electrophysiologic finding; axonal involvement and demyelination groups. DITI was performed to subjects’ palm and dorsum of both hands, and 8 regions of interests (ROIs) such as ulnar and radial territories of dorsal side, median and ulnar territories of volar side, and 2nd and 5th finger tips of dorsal and volar sides were defined. Temperature differences between involved and uninvolved sides and between 2 ROIs of the same hand in patients groups and controls were analyzed. Results: Temperature differences of all 8 ROIs between involved and uninvolved sides were quite different in patients with axonal involvement than in controls (p<0.05). Temperature differences of radial territory of dorsal side had the highest diagnostic value (sensitivity=66.7%, specificity=100%), and most of abnormal findings showed hypothermic pattern (70%). Conclusion: These data suggest that DITI has a diagnostic value but limited for the evaluation of unilateral ulnar neuropathy especially in more severely involved cases.
Abstract
Objective: The aim was to assess the clinical value of digital infrared thermographic imaging (DITI) as diagnostic tool in patients with unilateral ulnar neuropathy Methods: Twenty-six patients who were diagnosed as having unilateral ulnar neuropathy electrophysiologically and eighteen healthy subjects were evaluated. Patients were divided into two groups by severity of electrophysiologic finding; axonal involvement and demyelination groups. DITI was performed to subjects’ palm and dorsum of both hands, and 8 regions of interests (ROIs) such as ulnar and radial territories of dorsal side, median and ulnar territories of volar side, and 2nd and 5th finger tips of dorsal and volar sides were defined. Temperature differences between involved and uninvolved sides and between 2 ROIs of the same hand in patients groups and controls were analyzed. Results: Temperature differences of all 8 ROIs between involved and uninvolved sides were quite different in patients with axonal involvement than in controls (p<0.05). Temperature differences of radial territory of dorsal side had the highest diagnostic value (sensitivity=66.7%, specificity=100%), and most of abnormal findings showed hypothermic pattern (70%). Conclusion: These data suggest that DITI has a diagnostic value but limited for the evaluation of unilateral ulnar neuropathy especially in more severely involved cases.
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