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 . Fig. 114. -ATEK STA(;K OFKIUKoIS IOLYIHS, SHOWING TwO OK lM)(iOIX(i MlCOlJ UKCiEXIiRATION. X 100. .rroiii a Patient, aged ;iO.) 00 450 CONSEQUENCES A^D OF SUPPURATION. tissue fibres (Fig. 115). The [structure of such a tumour re-sembles that of a cylindroma, or angio-sarcoma. but the latteris distinguished by the facts that the neighbouring tissues areprone to be invaded, and
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 . Fig. 114. -ATEK STA(;K OFKIUKoIS IOLYIHS, SHOWING TwO OK lM)(iOIX(i MlCOlJ UKCiEXIiRATION. X 100. .rroiii a Patient, aged ;iO.) 00 450 CONSEQUENCES A^D OF SUPPURATION. tissue fibres (Fig. 115). The [structure of such a tumour re-sembles that of a cylindroma, or angio-sarcoma. but the latteris distinguished by the facts that the neighbouring tissues areprone to be invaded, and that secondary growths are often —Aural polypi belonging to this class are veryrare. They consist of gelatinous connective tissue, having itscells and fibrils separated and inter-penetrated by a transparentfluid (Fig. 116). It is supposed that they are developed fromsome remains of those mucous tissues ^^?hich had outlastedfVrtal Fig. Ho. Axgio-Fibromatous Polypus, x 25.(From a Patient, af^ed 2u.) \Aith regard to the relative frequency of these four classes of ])olypi, a\Ioos and Steinbriigges tables show the followingproportions:— Granulation tumours . . • 55 Angio-fibromata . . • • 27 Fibromata 14 ^rvxomata ....... 4 100 Aural polypi often present certain peculiarities of structure. POLYPI OP TUP PAP. 451 Thu?;. small eliolesteatomatous masses may be found in the centreof the growths, and likewise extravasations of blood, blood-cor-puscles, and blood-pigment, with ha^min cr^stals. ]^Iinute ])onyformations are sometimes noticeable. Etiology.—The formation of aural polypi is in many casestraceable to chronic supjmratire inflammation of the ti/mpa)tam,which is often associated with hypertrophy of connective occur in about 11 per cent, of these cases. Purulent secre-
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Keywords: ., boo, bookcentury1800, bookdecade1890, booksubjectear, bookyear1894
