[Insertion of the lacrimal duct into the ethmoid sinus in surgery of nasolacrymal duct obstruction].
D000328:Adult; D003607:Dacryocystitis / Q000601:surgery*; D003608:Dacryocystorhinostomy; D005005:Ethmoid Sinus / Q000601:surgery*; D006801:Humans; D007765:Lacrimal Apparatus / Q000601:surgery; D008297:Male; D008875:Middle Aged