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The authors describe 19 cases of osteosarcomas in dog and cat, presented at the Faculty of Veterinary Medicine in Bucharest between 2008-2009 for diagnosis and therapy. Clinical examination followed by radiological examination of the modified area was used. The certitude diagnosis was established after cytomorphologic exam of the biopunction achieved with a fine needle into the affected region. Following this examination were described 4 morphocytologic forms of osteosarcoma. They are: -5 cases of osteocitar osteosarcoma -8 cases of osteoblastic osteosarcoma -4 cases of osteoclastic osteosarcoma -1 case of condrosarcoma The frequency of these neoplastic forms of malignancies is generally moderate in pets. The most frequent type is osteoblastic osteosarcoma. From the study of the two species (canine and feline), the incidence of bone cancer in canines is more prone to disease. Data from literature are generally modest, indicating that differences primarily are relating to the primary...
Skeletal osteosarcoma was diagnosed in 38.9% dogs and 9.09% cats from 136 dogs and 11 cats, after a clinical, radiological, cytological and histological examination in a private clinic. The highest frequency of osteosarcoma was found out in the giant and large size breeds of animals, age of 7 (16.98%) and 9 (24.53%) years old. The presence of more progressive types was pointed out after the histological examination observing osteosarcoma with osteoblastic (75.93%), chondroblastic (18.51%) and fibroblastic (5.56%) differentiation.
Brazilian Journal of Veterinary Research and Animal Science, 2004
Comparative Clinical Pathology, 2020
Veterinary Surgery, 2008
Journal of Small Animal Practice, 2005
Topics in companion animal medicine, 2018
Osteosarcoma is the most commonly reported bone tumor in dogs, typically affecting the axial and appendicular skeleton. Involvement of the paranasal sinuses and the nasal cavity is extremely rare. This report describes a 6-year-old, female, cross-breed dog presented with signs of 90 days duration and diagnosed with a mass located in the right nasal cavity. Radiography, rhinoscopy, and computed tomography findings suggested the presence of an intranasal tumor. Osteosarcoma in the nasal cavity was diagnosed based on histopathological examination and clinical and imaging findings. Survival time was 12 months from diagnosis.
Journal of Veterinary Internal Medicine, 2001
Veterinary Surgery, 1992
Alireza Golchin Manshadi, 2021
Background and purpose: Bone tumors can be benign or malignant and primary or secondary in dogs. Osteosarcoma (OS) is considered the most common primary bone neoplasm in dogs, which has high metastasis ability. Materials and methods: A retrospective histopathological study was performed over cases submitted to veterinary hospitals and clinics in Shiraz, the capital city of Fars province, south of Iran. Surgery and necropsy files of dogs submitted to clinics from 2010 and 2021 were retrospectively studied and cases suspected to bone tumors were separated. Results: A total of 872 necropsy and surgical resection specimens from dogs referred to these clinics due to musculoskeletal defects were reviewed during this period, and among them, nine dogs (six male and three female dogs) corresponded to bone tumors. Conclusion: All of the tumors were diagnosed as osteosarcoma. The epidemiological and pathological findings of these tumors are reported.
Two cases of extraskeletal osteosarcoma are presented with different localization. A neoplasic form localized in the peritraheal area was emphasized in a six years German shepherd male dog and another one at the mammary gland of a thirteen years old Teckel female dog. The radiographic images were emphasized in the areas of high radioopacity at the level of soft tissues in the areas mentioned, but histologically is the extraskeletal osteosarcoma. Key words: extraskeletal osteosarcoma, dog Osteosarcomas are malign tumors of the bony tissue with a higher degree of metastasis (1, 4). Histologically they are classified into: osteosarcoma with fibroblastic difference, osteosarcoma with condroblastic difference, fibroblastic and telangiectatic difference. Considering the radiographic aspect, there are: osteoclastic sarcoma (destroyers), osteogenic (productive) or mixed. Considering the place they develop, they classify into: skeletal osteosarcoma and extraskeletal osteosarcoma (6, 7). Extr...
International Journal of Electrical and Computer Engineering (IJECE), 2023
Umbral. Literatura para Infancia, Adolescencia y Juventud. Colección de Propuestas Críticas, 2016
International Journal of Middle Eastern Studies, 2018
Después del acuerdo: ¿Cómo va la paz en Colombia?, 2023
I Contratti, 2018
Al-Ibda, 2022
Frontiers in Immunology, 2018
Art Herstory, 2023
The European Physical Journal Special Topics, 2014
Jurnal Profesi Medika : Jurnal Kedokteran dan Kesehatan