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Case Report


A rare case report of extensive mandibular osteoma corrected by unilateral mandibulectomy: Cytological, radiological, and pathological investigation

Amirhossein Alizadeh Tabarestani, Masoud Nemati nejad, Mohammad Amin Minaie, Sonia Sahvieh, Reza Nikzad.


Abstract
Background:
Osteoma is a benign bone tumor that rarely affects animals. The most common bones involved with this tumor included the mandible, maxillofacial bones, and nasal sinuses. Definitive diagnosis is based on pathology findings which allow for differentiation with other bone lesions.
Case Description:
The patient, a five-year-old intact male Mongrel dog presented with a huge mandibular mass that involved both the right and left mandible, and led to dental occlusion. The radiography was performed and depicted the intense mass with a well-demarcated edge, a short transitional zone between normal and abnormal bone, and a smooth rounded radiopaque appearance. The investigation according to the fine needle aspiration showed the presence of oval to spindle shape cells with poorly malignancy criteria, fatty cells, reactive osteoblasts and osteoclasts based on a population of spindle-shaped cells, and low numbers of degenerated neutrophils, bacteria, and few macrophages. Then, the radiographic assessments and cytology findings demonstrated the osteoma and referred for surgical intervention. A unilateral mandibulectomy was performed, and the lesion was send to the histopathology laboratory. The histopathology evaluation showed osteocyte proliferation without malignancy features. The osteoblast cells also showed no atypical proliferation that endorses the osteoma tumor.
Conclusion:
Although, mandibular and maxillofacial bone resection in small animals have different tolerations, this patient became a candidate for surgery for future better nutrition and prevention of facial deformity and dental malocclusion. Follow-up after osteoma is one of the most necessary post-operation treatments to check the regeneration of the mass. There are considerable data in this report that should regard this tumor as a possible differential diagnosis for mandibular tumors.

Key words: Osteoma, Mandibulectomy, Bone, Dog, Histopathology


 
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How to Cite this Article
Pubmed Style

Tabarestani AA, nejad MN, Minaie MA, Sahvieh S, Nikzad R. A rare case report of extensive mandibular osteoma corrected by unilateral mandibulectomy: Cytological, radiological, and pathological investigation. Open Vet J. 2023; 13(3): 382-387. doi:10.5455/OVJ.2023.v13.i3.16


Web Style

Tabarestani AA, nejad MN, Minaie MA, Sahvieh S, Nikzad R. A rare case report of extensive mandibular osteoma corrected by unilateral mandibulectomy: Cytological, radiological, and pathological investigation. https://www.openveterinaryjournal.com/?mno=93881 [Access: May 02, 2024]. doi:10.5455/OVJ.2023.v13.i3.16


AMA (American Medical Association) Style

Tabarestani AA, nejad MN, Minaie MA, Sahvieh S, Nikzad R. A rare case report of extensive mandibular osteoma corrected by unilateral mandibulectomy: Cytological, radiological, and pathological investigation. Open Vet J. 2023; 13(3): 382-387. doi:10.5455/OVJ.2023.v13.i3.16



Vancouver/ICMJE Style

Tabarestani AA, nejad MN, Minaie MA, Sahvieh S, Nikzad R. A rare case report of extensive mandibular osteoma corrected by unilateral mandibulectomy: Cytological, radiological, and pathological investigation. Open Vet J. (2023), [cited May 02, 2024]; 13(3): 382-387. doi:10.5455/OVJ.2023.v13.i3.16



Harvard Style

Tabarestani, A. A., nejad, . M. N., Minaie, . M. A., Sahvieh, . S. & Nikzad, . R. (2023) A rare case report of extensive mandibular osteoma corrected by unilateral mandibulectomy: Cytological, radiological, and pathological investigation. Open Vet J, 13 (3), 382-387. doi:10.5455/OVJ.2023.v13.i3.16



Turabian Style

Tabarestani, Amirhossein Alizadeh, Masoud Nemati nejad, Mohammad Amin Minaie, Sonia Sahvieh, and Reza Nikzad. 2023. A rare case report of extensive mandibular osteoma corrected by unilateral mandibulectomy: Cytological, radiological, and pathological investigation. Open Veterinary Journal, 13 (3), 382-387. doi:10.5455/OVJ.2023.v13.i3.16



Chicago Style

Tabarestani, Amirhossein Alizadeh, Masoud Nemati nejad, Mohammad Amin Minaie, Sonia Sahvieh, and Reza Nikzad. "A rare case report of extensive mandibular osteoma corrected by unilateral mandibulectomy: Cytological, radiological, and pathological investigation." Open Veterinary Journal 13 (2023), 382-387. doi:10.5455/OVJ.2023.v13.i3.16



MLA (The Modern Language Association) Style

Tabarestani, Amirhossein Alizadeh, Masoud Nemati nejad, Mohammad Amin Minaie, Sonia Sahvieh, and Reza Nikzad. "A rare case report of extensive mandibular osteoma corrected by unilateral mandibulectomy: Cytological, radiological, and pathological investigation." Open Veterinary Journal 13.3 (2023), 382-387. Print. doi:10.5455/OVJ.2023.v13.i3.16



APA (American Psychological Association) Style

Tabarestani, A. A., nejad, . M. N., Minaie, . M. A., Sahvieh, . S. & Nikzad, . R. (2023) A rare case report of extensive mandibular osteoma corrected by unilateral mandibulectomy: Cytological, radiological, and pathological investigation. Open Veterinary Journal, 13 (3), 382-387. doi:10.5455/OVJ.2023.v13.i3.16