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目的:鼻涙管閉塞症に対してシリコーンチューブを挿入後に生じた仮道形成の発見と対策の記述。対象と方法:過去10か月間にシリコーンチューブ挿入術を行った56例65側を対象とした。術中・術後の涙道内視鏡検査で仮道形成があればチューブを抜去し,涙道内視鏡下で再挿入し,単一管腔内にチューブを留置した。結果:仮道形成は14側(22%)にあり,全例で再挿入が可能であった。チューブ抜去後6か月目の通水は61側(94%)で良好であった。結論:仮道形成の発見には術中・術後の涙道内視鏡検査が重要であり,涙道内視鏡下での再挿入が有効である。
Purpose:To describe the detection and management of false nasolacrimal passage following therapeutic silicone tubing. Cases and Methods:The study was made on 65 sites of 56 patients who underwent silicone tube insertion for obstructed nasolacrimal duct during the past 10-month period. When false lacrimal passage was detected by intra-or postoperative dacryoendoscopy,the silicone tube was removed and reinserted in the correct position under endoscopic observation. Findings:False lacrimal passage was detected in 14 sites(22%). Reinsertion was possible in all the cases. Six months after eventual removal of silicone tube,61 sites(94%)showed patent lacrimal passage. Conclusion:Intra-or postoperative dacryoendoscopy was useful in detecting false nasolacrimal passage. Reinsertion of silicone tube was effective under endoscopic observation.
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