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KMID : 0361019980410091180
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Korean Journal of Otolaryngology - Head and Neck Surgery
1998 Volume.41 No. 9 p.1180 ~ p.1184
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Diagnosis of Peritonsillar Abscess Using Gray Scale Image and Color Doppler
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김성민/Sung Min Kim
조재준/김재영/허형빈/허창호/이민우/Jae Joon Cho/Jae Young Kim/Hyung Bin Huh/Chang Ho Hur/Min Woo Lee
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Abstract
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Background and Objectives: Clinical differentiation of peritonsillar abscess from peritonsillar cellulitis can be difficult and often relies on diagnostic needle aspiration that is invasive. The differential diagnosis of the two conditions
is
very important for the planning of treatment. This study is to evaluate the usefulness of gray scale image (GSI) and color doppler image (CDI) using intraoral ultrasonography in differential diagnosis of the peritonsillar abscess from
peritonsillar
cellulitis. Materials and Methods: Twenty patients with suspected peritonsillar abscess were included in this study. GSI and CDI of the intraoral ultrasonography with 7-㎒ curved linear array transducer were used. Results: The
peritonsillar abscess showed inhomogeneously hypoechoic or cystic space on GSI and rim-shaped color flew signal on CDI. The peritonsillar cellulitis showed homogeneously hypoechoic or striated textual appearance on GSI and diffusely increased
color
signal on CDI. The sensitivity of GSI for diagnosis of peritonsillar abscess and peritonsillar cellulitis was 91.7% and 77.8%, respectively, whereas the specificiy of CDI proved to be 100% for the diagnosis of both conditions. Conclusion:
This
study demonstrates that intraoral ultrasonography is a useful and noninvasive technique for diagnosis of peritonsillar abscess.
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