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논문 기본 정보

자료유형
학술저널
저자정보
오원자 (고려병원 진단방사선과)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제29권 제5호
발행연도
1993.1
수록면
901 - 906 (6page)

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Paranasal sinus CT is known as the nost effective imaging modality in the evalustion of inflammatory sinonasal diseases and can depict the distribution, causative lesions obstrucing main drainge route. and associated findings. Reccently, functional endoscopic sinus surgery has been widey used for the evaluation and treatment. Before operation. PNS CT findings of 3156 cases in 1578 patients with chronic sinusitis symptoms. Sinonasal inflammatory diseases were categorixed into 5 patterns according to the obstruction sites. They were 1) infundibular (10%, 316/3156, 2) ostiomeatal unit (41%, 1294/3156,3) sphenoethmoidal recess (12%, 379/3156),4) sinonasal polyposis (30%, 946/3156), and 5) unclassifiable (6%, 190/3156) patterns. The main causes for infundibular obstruction in order of frequency were inflammatory mucosa, enlarged ethmoidal bulla and Haller's cell. With respect to the middle meatus obstruction, its main causes in the order of frequency were polypoid lesion, inflammatory mucteristic associally deviated uncinate process In particular, sinonasal polyposis showed one or more of the characteristic associated findings of infundibular enlargement, air- fluid level, ethmoidal sinus wall bulging and bony deossification or sclerosis as well as sinonasal polypoid change. In conclusion, the inflammatory sinonasal diseases were classified into five patterns, and the causative lesions or anatomic variations were efficiently detected by the PNS CT. Furthermore, it could provide a guidance for proper management of the sinusits including functional endoscopic sinus surgery.

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