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KMID : 0363620060270020244
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Journal of Korean Oriental Medicine
2006 Volume.27 No. 2 p.244 ~ p.252
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Infrared Thermographic Imaging in Patients with Alopecia
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Lee Tae-Hoo
Moon Jung-Bae
An Kyung-Eh
Lee Hye-Jung
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Abstract
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Objectives :To examine any potential relationships between the types of alopecia and the facial heat distribution in patients with alopecia.
Methods :183 patients with alopecia participated in this study to provide facial heat distribution measured by the Infrared Thermography Scanner (ITS, Nec San-ei Instruments Ltd, Japan). The thermography scan was used in a light- and heat-protected room after 20 minutes’’ of rest. 1.5m of distance was maintained between the patients and the scanner.
Results :Specificity in the type of facial heat distribution was found as follow. 1. Types of facial heat distribution can be classified as T-type and diffused patterns. 2. There was a significant difference in the pattern of facial heat distribution among different types of alopecia (p=0.002): facial heat distribution appeared T-type in androgenic alopecia, alopecia areata, and telogen effluvium (71.3%, 85.7%, 70.4%), whereas diffused pattern was dominant in seborrheic alopecia (55.6%). 3. There was a significant difference in the pattern of facial heat distribution between men and women (p<0.001) : While the T-type and diffused type appeared equally in men (50.6% : 49.4%), T-type was dominant in women (88.0% vs. 12.0%).
Conclusions :We conclude that the pattern of facial heat distribution differs depending on the types of alopecia and gender. These differences may provide useful information for diagnosis and clinical therapy for this population.
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KEYWORD
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alopecia, DITI, facial heat distribution
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