Quantitative assessment of contouring for fibro-osseous lesions in the orbital area using navigation system 3D (Three dimensions) resection rate

Kenichi Kamizono, Sei Yoshida, Hideki Kadota, Makoto Yamashita, Byunghyun Cho, Makoto Hashizume, Motohiro Sawatsubashi, Nozomu Matsumoto

Research output: Contribution to journalArticlepeer-review

Abstract

Background : Bone contouring is currently the best treatment for fibro-osseous lesions after bone growth arrest. Navigation systems available for this surgery allow intra-operative visualization. However, assessment after contouring surgery with the navigation system has rarely been reported. Method : To assess the utility of this surgery we used a 3D (three dimensions) resection rate. This is defined as real contoured volume measured with postoperative CT data divided by planned volume to contour preoperatively. Result : We used this method to contour fibro-osseous lesions in five patients. 3D resection volume was 8114.9mm3 (3109mmM9779mm3) in average. 3D resection rate was 63.9% (50.6%-87.7%) in average. These data present reasonable resection rate compared with other reports. All patients achieved acceptable facial contour line and improvement in symptoms. Conclusions : 3D resection rate is a new quantitative method measuring the rate of resected area for a targeted bulging bone. This rate presents a simple and easy assessment for surgical contouring of the orbital fi-bro-osseous lesions.

Original languageEnglish
Pages (from-to)354-359
Number of pages6
JournalOto-Rhino-Laryngology Tokyo
Volume59
Issue number6
DOIs
Publication statusPublished - 2016

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology

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