J.Jpn. Surg. Soc.. 87(9): 984-987, 1986

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Report on the annual meeting

THERMOGRAPHY

Thermography has been shown to record the superficial circulation of the skin and also reflects the autonomic nervous system in relationship to the blood flow. In this way, the recording by thermography can classify and categorize the underlying mechanism as reflected by the autonomic nervous system. Using the recent computer imaging technic, a surgeon can analyse thermogram quantitatively and can convert the image into skin blood flow image or a distributin of neural stimuli which indicate sympathetic vasomotor information. This paper deals with the aanlytical observations of various types of clinical thermal images since 1985 at Thermography Laboratory, University of Tokyo, as well as a review of the observations of others which confirm these observations. There are four major targets of modern computed thermography analysis that are described : 1) time sequentially subtructed thermal images for detecting skin blood flow increment and local distribution of autonomic vasomotor tone, 2) thermal asymmetry images for detecting local autonomic vasomotor stimuli which are induced by chronic pain, 3) blood flow distribution image which is calculated from biological thermal equation and 4) thermography indexed thermogram.

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