TY - GEN AU - Mohammed Ahmed Hussien AU - Hassan Mohamed Elhoshy , AU - Mohammed Mahmoud Kotb , AU - Tarek Mohamed Kamel , TI - Dacryocystorhinostomy : : Techniques and outcome / PY - 2008/// CY - Cairo : PB - Mohammed Ahmed Hussien , KW - Balloon dacryocystorhinostomy KW - Dacryocystorhinostomy DCR KW - Laser dacryoplasty N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Medicine - Department Of E.N.T; Issued also as CD N2 - DCR is the operation of choice to relief epiphora due to nasolacrimal duct obstruction DCR has several approaches e.g the external approach the endonasal approach with or without laser and the transcanalicular approach UR - http://172.23.153.220/th.pdf ER -