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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 36(3); 1993 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1993;36(3): 435-442.
Surgical plane computerized tomography : The diagnostic value in preoperative evaluation of ostiomeatal unit diseases.
Soon Kwan Hong, Hyung Jin Kim, Nam Ju Kim
수술면 전산화 단층촬영술 : Ostiomeatal Unit질환의 술전 평가에 있어서 그 진단적 가치
홍순관1 · 김형진2 · 김남주1
경상대학교 의과대학 이비인후과학교실1;진단방사선과학교실2;
ABSTRACT

A new method of computerized tomographic scanning, surgical plane computerized tomography(CT), was designed for the preoperative evaluation of ostiomeatal unit(OMU) diseases. The images were taken by angulating the gantry at intervals of 5 degrees in the range of 40 degrees, with the subnasale used as a center of the circle. Distances between the mid-point of the posterior edge of the nostril(the point of reference) and the important anatomical structures were also measured by CT. Almost all parts of OMU were scanned within this 40 degrees. This technique is thought to be a valuable tool for the presurgical evaluation of OMU diseases, especially in cases of chronic paranasal sinusitis with diffuse polyposis and in cases where the usual anatomic landmarks have been distorted or removed by previous surgery. Furthermore it may be more helpful if it is accompanied with coronal and axial plane CT.

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