. Diseases of the ear; a text-book for practitioners and students of medicine. rating the hypotympamc space,mastoid cells and middle ear The inner extremity of the posterior have been thrown into one in . i 1 1 t 1 1 large cavity, continuous with wall of the canal should also be cau-the external auditory meatus, tiously removed, so as to obliterate (from dissections by the . author.) the posterior tympanic space. Both of these procedures are best effectedby means of a curette. The gouge may be used cautiously,but the final steps are best carried out with a curette. All of the deeper bony disse
. Diseases of the ear; a text-book for practitioners and students of medicine. rating the hypotympamc space,mastoid cells and middle ear The inner extremity of the posterior have been thrown into one in . i 1 1 t 1 1 large cavity, continuous with wall of the canal should also be cau-the external auditory meatus, tiously removed, so as to obliterate (from dissections by the . author.) the posterior tympanic space. Both of these procedures are best effectedby means of a curette. The gouge may be used cautiously,but the final steps are best carried out with a curette. All of the deeper bony dissection is best done with the aidof either the forehead mirror, using reflected light, or of theelectric head lamp. After all carious bone has been removed and the haemor-rhage stopped from all bleeding points, the operator pro-ceeds to line the cavity with epithelial flaps derived from theposterior wall of the fibrocartilaginous meatus and from theconcha. Stacke, in his earlier operation, advocated the splittingof the fibrocartilaginous meatus along the posterior aspect,. PLATE XIII A. J : . ; : • ^ / / wl !-?? V. V; / J The Completed Radical Operation. This plate shows the completed radical cavity, showing the prominence of thehorizontal semicircular canal. The stapes is in position. The niche of the round win-dow and the tympanic orifice-of the Eustachian tube are well shown. The meatus hasbeen enlarged by the formation of a proper flap, and this flap is shown stitched inposition. (Authors dissection.) MODIFICATIONS OF OPERATION. 553
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernew, booksubjectear
