. The pathological anatomy of the ear . After burns andskin eruptions synechiaB, or adhesions of the auricleat its posterior surface to the skull, may occur. New Growths. de Cancro Auris HumanfeMitteldorpf, Galvanocaustik. — Fischer, Comment,Habilitationsschrift. -Wilde, Practical Obseivations,etc. 1855.]). 193. — Von Bruns,Handbucli der Pract. Abth. II. S. 135, Abth. IG7.—A. Wagner, Jahrb. 1859, IT. S. 115.—Berend, Deutsche Klinik. 483. — Velpeau, Cancroid ofthe Auricular Cartilage. Hop. 18G4. No. 27. — Vel, Ueber Fibrome. G
. The pathological anatomy of the ear . After burns andskin eruptions synechiaB, or adhesions of the auricleat its posterior surface to the skull, may occur. New Growths. de Cancro Auris HumanfeMitteldorpf, Galvanocaustik. — Fischer, Comment,Habilitationsschrift. -Wilde, Practical Obseivations,etc. 1855.]). 193. — Von Bruns,Handbucli der Pract. Abth. II. S. 135, Abth. IG7.—A. Wagner, Jahrb. 1859, IT. S. 115.—Berend, Deutsche Klinik. 483. — Velpeau, Cancroid ofthe Auricular Cartilage. Hop. 18G4. No. 27. — Vel, Ueber Fibrome. Hop. 1864. No. 84. —F/r-chow, Geschwiilste. III. S. (Auriculare Angiome.) —Jungken, Berl. Klin. Wochen-schrift. 1869. No. 8. (Gefass-geschwiilste.) Knapp, Fibromedes Lobulus. (A. f. A. u. 1. S. 215.) New Growths. Tumorsproduced by the collec-tion and retention of the Am iciesebaceous secretion ofthe skin (atheromata), are very frequent, possibly be-cause there are no smooth muscular fibres on the. Fig. 25.\tliei-oma on the Posterior Surface of thenatural size. (From J. Gruber,Lehrbuch, S. 407.) 38 PATHOLOGY OF THE EAR. auricle, through the contraction of which the expul-sion of the sebaceous matter is ^ Fibroids(cicatricial keloid) are often developed on the lobuleas the result of piercing the ear, and may grow tothe size of a hens Qgg ; the}^ are most common innegresses. Histologically, they show the exact struc-ture of cicatrices in the skin, and frequently recurwhen imperfectly removed. Angioma,- lipoma, cav-ernous tumors, epithelial and chimney-sweepers can-cer,^ and cysts are also found. What Wilde* describesand figures as a cyst, is probably a ha3matoma. Epithelial cancer of the auricle is not unfrequent,and may by extension lead to destruction of the mid-dle and inner ears. THE EXTERNAL MEATUS. Malformations. Complete absence of the meatus isfound with a simultaneous absence or deformity ofthe auricle, and also with congeni
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