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Mandibulectomia em felino com osteomielite fibrosante bacteriana / Mandibulectomy in feline with bacterial fibrosing osteomyelitis

Sampaio, Keytyanne de Oliveira; Silva, Jéssica Mara da Costa; Oliveira, Alexandre Tavares Camelo; Silva, Ellen Cordeiro Bento da; Nunes-Pinheiro, Diana Célia Sousa; Sousa Filho, Reginaldo Pereira de.
Acta sci. vet. (Impr.); 49(suppl.1): Pub.650-Jan 4, 2021. ilus
Artigo em Português | VETINDEX | ID: biblio-1458509


Background: Fibrosing osteomyelitis is a chronic inflammatory process caused by infectious agents that lead to the destructionand replacement of bone tissue by fibroblasts. The diagnosis is based especially on histopathological and bacterial culture. Incases where extensive and irreversible injuries are observed, surgical treatment may be indicated. The objective of this work isto report the clinical, radiographic, histopathological, and microbiological aspects of a cat presenting fibrosing osteomyelitis.Case: A 10-year-old male feline, no defined breed, weighing 3.9 kg was referred to one Private Veterinary Clinic of Fortaleza,CE, Brazil with a history of left mandibular enlargement, presenting dysphagia, sialorrhea, an increase in firm consistencyalong of the left mandibular body, temporomandibular arthralgia and decreased joint motion range. On cranium radiograph,signs of proliferative osteopathy of irregular contours were observed in the branch and body of the left mandible and extending to the rostral region of the right mandible, suggesting a neoplastic process. After anesthesia, for better assessment ofthe oral cavity, a sample was collected by incisional biopsy, however, the histopathological result was nonspecific. In viewof the inconclusive condition, it was decided to perform left hemimandibulectomy combined with right partial mandibulectomy. Tissue samples were obtained and sent for microbiological and histopathological analyses. The last test revealedan inflammatory reaction consisting of neutrophils and plasma cells, associated with a large amount of fibrous connectivetissue, multifocal bacterial aggregates, necrosis and bone resorption. Based on the findings, the diagnosis of chronic bacterial osteomyelitis was concluded. The microbiological culture demonstrated the growth of the bacterium Pseudomonasaeruginosa, with sensitivity to cefovecin, which was administered to the treatment in....
Biblioteca responsável: BR68.1
Localização: BR68.1