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KMID : 0378219970270010167
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Dental Radiology
1997 Volume.27 No. 1 p.167 ~ p.177
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THE ASSESSMENT OF ULTIRASONOGRAPHIC ECHOGENICITY IN NORMAL HUMAN PAROTID AND SUBMANDIBULAR GRANDS
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Lee Jean
Park Tae-Won
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Abstract
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The ninety healthy volunteers,45 males and 45 females, served as subjects in this experiment to evaluate normal range of the echogenicity of ultrasonography in healthy salivary gland. After obtaining sonographic imaging papers and scanning of imaging papers, the number for gray scale histogram of ultrasonography was measured by Photoshop program and the value of echogenicity was calculated from the measured number The correlation of the echogenicity with age, the difference between the echogenicity of male and female, carotid and submandibular gland, right and left glands,
and the correlation of the echogenicity with BMI were investigated After having received the results of the study, the author came to the following conclusions.
1. There was increasing pattern of echogenicity according to aging in both parotid and submandibular glands and there was significant difference between the young groups and the old age groups(p<0.05).
2. There was no significant sex difference in echogenicity of both parotid and submandibular glands.
3. The echogenicity of submandibular gland was higher than that of parotid gland regardless to sex and there was significant difference between parotid and submandibular gland in male.
4. There was no significant difference between the mean absolute difference of right and left glands.
5. There was moderate positive correlation between the echogenicity of parotid gland and submandibular gland(male : r = 0.56, female r = 0.54).
6. There was a weak positive correlation between the echogenicity of salivary gland and BMI.
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KEYWORD
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