Grommet ventilation myringostomy with cholesteatoma.The otoscopic view is of a right ear with a green Silastic grommet in proper position inferior to the umbo umbo /um·bo/ (um´bo) pl. umbo´nes [L.] 1. a rounded elevation. 2. the slight projection at the center of the outer surface of the tympanic membrane. um·bo n. . Notably, there is an attic cholesteatoma evident at the superior edge of the photo and a cholesteatoma in the posterior half of the tympanic membrane. The use of a grommet in an ear of this type cannot be expected to prevent the progression of disease or improve the patient's condition. An ear of this type requires definitive surgery, which entails removal of the cholesteatoma, aeration of the tympanum tympanum (tĭm`pənəm). In architecture, the triangular space of a pediment, or low-pitched gable, above a portico, door, or window. Its boundaries are generally cornice moldings. , and a graft of the tympanic membrane. After such a procedure has been accomplished, a ventilating tube might then be indicated to treat any persisting serous otitis media. Some surgeons routinely perform a myringotomy and place a ventilating tube in the pars tensa after all tympanoplasty tympanoplasty /tym·pa·no·plas·ty/ (tim´pah-no-plas?te) surgical reconstruction of the tympanic membrane and establishment of ossicular continuity from the tympanic membrane to the oval window. and mastoidectomy Mastoidectomy Definition Mastoidectomy is a surgical procedure to remove an infected portion of the bone behind the ear when medical treatment is not effective. This surgery is rarely needed today because of the widespread use of antibiotics. procedures. The authors do not advise this approach. |
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