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Dacryocystorhinostomy: The surgical creation of a passage between the lacrimal sac (tear sac) and the nasal cavity to permit the drainage of tears. Dacryocystorhinostomy may be done to remedy an obstructed nasolacrimal duct.
, or abnormal tearing, occurs because of blockage in the lacrimal drainage system, which impairs normal tear channeling into the nose.
Surgical creation of an opening between the lacrimal sac and nasal cavity.
dacryocystorhinostomy /dac·ryo·cys·to·rhi·nos·to·my/ (-sis″to-ri-nos´tah-me) surgical creation of an opening between the lacrimal sac and nasal cavity.
Tsirbas and Wormald are to be congratulated on their landmark paper in lacrimal surgery describing endonasal dacryocystorhinostomy (DCR) with mucosal flaps, 1 which is also ...
Dacryocystorhinostomy: The surgical creation of a passage between the lacrimal sac (tear sac) and the nasal cavity to permit the drainage of tears.