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Homograft ossiculoplasty: long-term results. 1987

E Chiossone
Venezuelan Foundation of Otology, Caracas.

The use of homograft ossicles and homograft cortical bone has been common practice in chronic ear surgery for reconstruction of the interrupted ossicular chain. However, the possibilities of extrusion, reabsorption, and necrosis of these homografts have jeopardized the fate of such tissue for ossicular reconstruction. This study analyzes the fate of more than 400 homograft ossicles and bone columellas used for ossicular chain reconstruction over more than fifteen years, all of which were previously processed and sculptured in an ear bank. Many of these homografts have been observed for longer than five years. Histologic findings in longstanding homograft ossicles in the middle ear are presented.

UI MeSH Term Description Entries
D008722 Methods A series of steps taken in order to conduct research. Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique
D001842 Bone and Bones A specialized CONNECTIVE TISSUE that is the main constituent of the SKELETON. The principal cellular component of bone is comprised of OSTEOBLASTS; OSTEOCYTES; and OSTEOCLASTS, while FIBRILLAR COLLAGENS and hydroxyapatite crystals form the BONE MATRIX. Bone Tissue,Bone and Bone,Bone,Bones,Bones and Bone,Bones and Bone Tissue,Bony Apophyses,Bony Apophysis,Condyle,Apophyses, Bony,Apophysis, Bony,Bone Tissues,Condyles,Tissue, Bone,Tissues, Bone
D004429 Ear Ossicles A mobile chain of three small bones (INCUS; MALLEUS; STAPES) in the TYMPANIC CAVITY between the TYMPANIC MEMBRANE and the oval window on the wall of INNER EAR. Sound waves are converted to vibration by the tympanic membrane then transmitted via these ear ossicles to the inner ear. Auditory Ossicles,Auditory Ossicle,Ear Ossicle,Ossicle, Auditory,Ossicle, Ear,Ossicles, Auditory,Ossicles, Ear
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006085 Graft Survival The survival of a graft in a host, the factors responsible for the survival and the changes occurring within the graft during growth in the host. Graft Survivals,Survival, Graft,Survivals, Graft
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D016025 Bone Transplantation The grafting of bone from a donor site to a recipient site. Grafting, Bone,Transplantation, Bone,Bone Grafting

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