Multilobular bone tumor in yorkshire terrier breed dog: case report

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Yara Cláudia Vasconcelos
Paolo Ruggero Errante

Abstract

Multilobular bone tumor, also known as multilobular osteochondrosarcoma or chondroma rodens, it is a slow-growing, locally invasive, malignant tumor capable of compressing and invading adjacent tissue. Its occurrence is higher in the flat bones of the skull and hard palate. Clinical signs depend on the location of the tumor and are usually related to compression of adjacent structures. This report describes a case of multilobular bone tumor in a nine-year-old female yorkshire terrier breed, with progressive growth in a region overlapping the topography of the left zygomatic arch and the caudal portion of the left mandibular ramus. After performing a radiographic evaluation of the skull, computed tomography and laboratory investigation, surgical removal and histopathology were performed, which confirmed the suspicion of a multilobular bone tumor. Therefore, the histopathology associated with imaging exams allowed the establishment of a diagnosis of multilobular bone tumor, a neoplasm rarely described in the Brazilian veterinary clinic of small dogs.

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How to Cite
VASCONCELOS, Y. C.; ERRANTE, P. R. Multilobular bone tumor in yorkshire terrier breed dog: case report. Revista de Educação Continuada em Medicina Veterinária e Zootecnia, v. 20, n. 1, 5 Aug. 2022.
Section
PATOLOGIA VETERINÁRIA