| 释义 |
canal wall down mastoidectomy
canal wall down mastoidectomya mastoidectomy in which the posterosuperior canal wall is removed as in a modified radical or radical mastoidectomy.canal wall down mastoidectomy A type of mastoidectomy which consists of removing the posterior and superior canal walls and meatoplasty. The tympanic membrane is left intact.AcronymsSeeCWDM |