A treatise on the diseases of the ear including the anatomy and physiology of the organ together with the treatment of the affections of the nose and pharynx which conduce to aural disease . er which the same drug,finely powdered, or iodoform should be blown into the ear. Thelocal application several times daily of solution of the perchlorideof iron (1 to 10 gh^cerine) is also recommended. • If relapsesoccur, the affected parts should be brushed over with carbolisedglj^cerine (1 to 15) or carbolised spirit (1 to 20), and severaltimes a day the meatus should be filled with an alcoholic solution
A treatise on the diseases of the ear including the anatomy and physiology of the organ together with the treatment of the affections of the nose and pharynx which conduce to aural disease . er which the same drug,finely powdered, or iodoform should be blown into the ear. Thelocal application several times daily of solution of the perchlorideof iron (1 to 10 gh^cerine) is also recommended. • If relapsesoccur, the affected parts should be brushed over with carbolisedglj^cerine (1 to 15) or carbolised spirit (1 to 20), and severaltimes a day the meatus should be filled with an alcoholic solutionof boric acid (1 to 20), or with a similar solution of salicylicacid (1 to 100), or of perchloride of mercury (1 to 1,000).No attempt should be made to remove the false membrane bymechanical means. I 190 CHAPTEE XYI. PArtASITIC IXFLAMMATIOX OF THE EXTERNAL MEATUS. Symptoms of inflammation in the external meatus are occasionallydue to the growth and accumulation of certain fungi, of whichthe asjiergillas ni(jer, flavescens and famigahts, and the trichotheciumroseum are the most common. It is only during the last thirtyyears that these parasites have been carefully studied ; at first. Fig. &2. ASPEROILLIS NKiER : IIkads AVITK CoxiDiA. X 600. {Siebe7im(mn.) their effects were supposed to be limited to the membranatympani, but it is now fully recognised that external otitis maybe due to their presence. It is, however, true that in theiradvanced stages of development they are most commonly foundon the membrane, and in the adjoining portion of the meatus, PARASITIC INFLAMMATION OF EXTERNAL MEATUS. 191 where they set up superficial inflaiiiniation. The fungi aregenerally mixed with masses of epidermis, cerumen, hairs, andinspissated secretions, the colour of which they modify in variousways. Sometimes they appear in tiny patches, of a black, brown,yellow, greenish, or even reddish tinge. In a case recorded byDr. Knapp, a cotton pellet, which, moistened with glycerinelotion, had lain
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Keywords: ., boo, bookcentury1800, bookdecade1890, booksubjectear, bookyear1894
