Atlas of clinical surgery; with special reference to diagnosis and treatment for practitioners and students (1908) (14767924462)
Zusammenfassung
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
Text Appearing Before Image:
they must be congenital, and can onlyoccur where there were folds, furrows or recesses inembryonic life, or in places where organs are devel-oped by invagination of the epiblast. These tumorsare, therefore, of embryonic formation. Dermoid cysts occur in the cutaneous and sub-cutaneous tissue in the region of the head (occipital,parietal and temporal bones); in the region of theface (root of the nose and orbit); in the neck (re-mains of branchial clefts); at the umbilicus; and inthe coccygeal region as fissural dermoid cysts. Theoccurrence of dermoids in the cranial cavity, verte-bral canal, thoracic cavity, abdominal cavity, retro-peritoneal tissue, kidneys (Wolffian duct) is explainedby the development of organs by invagination of theepiblast. Dermoid cysts of the testicles and ovaries, onaccount of their complicated structure, are notpure dermoids. Pure dermoids are unilocular or multilocular cysts,the external walls of which consist of connective 92 Bockenheimer, Atlas. Tab. X.WV,
Text Appearing After Image:
Fig. 46. Dermoid Recidi