Identifier: atlasofclinicals00bock (find matches)
Title: Atlas of clinical surgery; with special reference to diagnosis and treatment for practitioners and students
Year: 1908 (1900s)
Authors: Bockenheimer, Ph. (Philipp), b. 1875
Subjects: Surgery, Operative
Publisher: New York : Rebman
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive

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thelioma ofthe zygomatic region, in an old woman. The tumoris situated in the skin and has grown out of it. It ismovable over the subjacent tissues. The bordersare regular on all sides. The skin over the tumor isreddish brown like sarcoma, very thin, and cannotbe raised from the tumor. It shows numerous fineramifying vessels. In the middle of the horseshoe isan ulcer which resembles a carcinoma planum, butthe latter, as previously mentioned, occurs chieflyat the junction of skin and mucous membrane.There are thus resemblances to both carcinomaand sarcoma. The soft borders, the circumscribedform and soft consistence, and the absence of glandu-lar affection, show the benign nature of the tumor.In endothelioma of the face the occurrence of smallmultiple cysts in the cutaneous covering is more com-mon than ulceration. Excision of the tumor and repair of defect by aplastic operation. Microscopic examination showedit to be a plexiform hemangio-endothelioma. 76 Bockenheimer, Atlas. Tab. XXX.
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Fig. 40. Endothelioma parotidis — Tumor mixtus. Rebnian Company, New-York. ENDOTHELIOMA PAROTIDIS (of Parotid)TUMOR MEXTUS (Mixed Tumor)Plate XXX, Fig. 40. Mixed tumors occur frequently in the parotid,less often in the other salivary glands. These par-otid tumors are regarded as endotheliomas by Kanf-mann, Nasse and Volkmann, which is intelligibleafter the explanation of endothelioma given in PlateXXIX, Fig. 39, if we assume that the epithelioidtracts occurring in the tumors arise from endothelium,the latter, according to Volkmann, being also capableof forming cartilaginous, mucoid and connectivetissue. Others hold that these mixed tumors, whichalso occur in the breast, kidneys and testicles, arisefrom epithelial and connective-tissue cells (Wilmsand Hinsberg). On section, the tumors show a very variegatedstructure, in which are found parts resembling car-cinoma and sarcoma, mucoid tissue, cartilage, cysts,calcification and ossification. Parotid tumor occurs more often in young indi

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