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目的运用99mTcO4-放射性核素显像技术对鼻腔泪囊吻合术进行评价。方法用放射性核素显像技术对37例行鼻腔泪囊吻合术的慢性泪囊炎病人在手术前后进行检查，同时测定泪囊的横径。结果37例行手术的病人术后有32例显像通畅与随访结果相符；5例有并发症的仍不通畅。结纶核素显像技术能确切地反映鼻泪道状况，是一种切实可用的随访评价指标。女性患者泪囊横径随年龄增大而缩小，不同年龄组间有显著性差异。
Objective To evaluate the dacryocystorhinostomy using 99mTcO4-radionuclide imaging. Methods 37 cases of chronic dacryocystitis with nasal dacryocystorhinostomy were examined with radionuclide imaging before and after operation, and the diameter of lacrimal sac was measured. Results Of the 37 patients who underwent surgery, 32 cases of imaging patency were consistent with the follow-up results; 5 cases of complications were still not clear. Nodular imaging technology can accurately reflect the status of nasolacrimal duct, is a practical evaluation of follow-up evaluation. The diameter of the lacrimal sac in female patients narrowed with age, and there were significant differences among different age groups.