Journal of the Korean Ophthalmological Society 1999;40(2):299-311.
Published online February 1, 1999.
The Effect of Topical Mitomycin-C on the Patency of Internal Nasal Ostium of the Experimental Antrorhinostomy in Rabbits.
Kyuchul Rhee, Tae Soo Lee
Department of Ophthalmology, Korea University Ansan Hospital.
가토의 실험적 상악-비강누공의 개통에 미치는 Mitomycin 용액의 효과
이규철(Kyu Chul Rhee),이태수(Tae Soo Lee)
Abstract
The purpose of this study is to evaluate the effect of topical mitomycin C as an adjuvant therapeutic agent on prevention of internal nasal ostium obstruction in experimental rabbit dacryocystorhinostomy model. Forty-two rabbits received an osteotomy between maxillary antrum and nasal cavity. Topical mitomycin C solution had been instilled postoperatively for five days. The diameter of remaining ostium was measured and histopathologic study was performed. At 8 postoperative weeks, the ostial diameter of mitomycin C treated group was larger than that of control group. Nasal mucosa of control group showed active fibroblast and abundunt collagen fibers. But nasal mucosa of MMC group showed degenerated fibroblast and scanty collagen fibers. In conclusion, these results suggest that topical MMC eyedrop may be used as an effective adjuvant in preventing fibrous obstruction of internal nasal ostium in dacryocystorhinostomy.
Key Words: Collagen fibers;Experimental dacryocystorhinostomy model;Fibroblast;Topical mitomycin C;Internal nasal ostium


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