Treatment of Nasolacrimal Duct Obstruction with Polyurethane Stent Placement: Long-Term Results
Zeynep Yazici1,
Bülent Yazici2,
Müfit Parlak1,
Ercan Tuncel1 and
Haluk Ertürk2
1 Department of Radiology, Uludag University, School of Medicine, Gorukle,
16059, Bursa, Turkey.
2 Department of Ophthalmology, Division of Ophthalmic Plastic and Reconstructive
Surgery, Uludag University, School of Medicine, Gorukle, 16059, Bursa,
Turkey.

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Fig. 1A. 36-year-old woman with severe epiphora for 6 years who
underwent successful stent treatment. Anteroposterior dacryocystogram shows
partial occlusion at nasolacrimal duct before stent placement.
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Fig. 1B. 36-year-old woman with severe epiphora for 6 years who
underwent successful stent treatment. Dacryocystogram obtained 13 months after
stent placement shows good flow of contrast media.
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Fig. 2A. 40-year-old man with severe epiphora for 4 years who
underwent failed stent treatment. Anteroposterior dacryocystogram shows
complete obstruction at junction between lacrimal sac and nasolacrimal duct
before stent placement.
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Fig. 2B. 40-year-old man with severe epiphora for 4 years who
underwent failed stent treatment. Dacryocystogram obtained 24 months after
stent placement shows good passage of contrast media into nasal cavity.
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Fig. 2C. 40-year-old man with severe epiphora for 4 years who
underwent failed stent treatment. Dacryocystogram obtained 36 months after
stent placement shows complete obstruction at inlet of lacrimal sac.
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Fig. 2D. 40-year-old man with severe epiphora for 4 years who
underwent failed stent treatment. Photograph of stent taken immediately after
removal during external dacryocystorhinostomy shows that stent has been cut at
full length. Tissue growth into mushroom head of stent (arrow) is
seen.
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