Odontogenic Tumors

doi:10.1002/9781119221296.ch7

Cited by 3 publications

(2 citation statements)

References 38 publications

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“…It is a locally invasive and destructive neoplasm that is associated with loss of teeth and bone, pathologic fractures, and facial deformities ( 22 ). Conventional ameloblastomas should exhibit all four of the cardinal features of odontogenic epithelium: palisading of the basilar epithelium, antibasilar nuclei within the basilar epithelial cells, clear zones within the cytoplasm of basilar epithelial cells, and polygonal cells with long intercellular bridges (resembling stellate reticulum) within the center of epithelial lobules ( 4 ). The tumor should lack the presence of the odontogenic mineralized matrices (dentin and enamel), the presence of which necessitates a diagnosis of ameloblastic odontoma or ameloblastic fibro-odontoma.…”

Section: Discussionmentioning

confidence: 99%

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Maxillary neoplasms in four dromedary camels

et al. 2023

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Four camels (Camelus dromedarius) presented to the Veterinary Teaching Hospital at King Faisal University with maxillary masses. On radiographs, the masses were multicystic and expanded the maxillary bone. The tumors were diagnosed by histopathologic examination as conventional ameloblastoma, two cases as intraosseous squamous cell carcinoma, and central odontogenic fibroma with ossification. To the authors’ knowledge, this is the first report of ameloblastoma in a camel, the first detailed description of maxillary squamous cell carcinoma in camels, and the first report of central odontogenic fibroma in any animal species.

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Section: Discussionmentioning

confidence: 99%

“…The differential diagnosis for case 3 and case 4 included ameloblastic carcinoma, ameloblastic fibroma, and squamous odontogenic tumor. Unfortunately, these variants are poorly characterized in animals, and definitive immunohistochemical markers to differentiate these neoplasms are lacking ( 4 ).…”

Section: Discussionmentioning

confidence: 99%

Maxillary neoplasms in four dromedary camels

et al. 2023

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Odontogenic Tumors

2021

Blackwell's Five‐Minute Veterinary Consult Clinical Companion

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CT features of malignant and benign oral tumors in 28 dogs

Lee

Jang

Lee³

et al. 2021

Vet Radiology Ultrasound

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An improved understanding of the computed tomographic (CT) features for malignant versus benign oral tumors would be helpful for guiding prognosis and treatment planning decisions in dogs. This retrospective, multi-center, observational study compared the CT features of malignant and benign tumors in 28 dogs with 31 oral masses. Malignant tumors were present in 20 dogs, including malignant melanoma (n = 14), squamous cell carcinoma (SCC, n = 4), adenocarcinoma (n = 1), and fibrosarcoma (n = 1).Eight dogs had benign tumors, including giant cell granuloma (n = 2), peripheral odontogenic fibroma (n = 2), acanthomatous ameloblastoma (n = 2), plasmacytoma (n = 1), and oncocytoma (n = 1). Common CT features of malignant tumors included heterogeneous enhancement, tumor invasion into the adjacent bone, tooth loss, and ipsilateral mandibular lymphadenopathy. Malignant tumors were significantly larger than benign tumors. Bone lysis was found in benign tumors (n = 4) such as acanthomatous ameloblastoma, giant cell granuloma, and plasmacytoma. The bone lysis was a welldefined geographic area regardless of malignancy and tumor type. In periosteal reactions, amorphous patterns were seen in both malignant (n = 2) and benign tumors (n = 2); the latter subgroup also showed solid patterns. Bone expansion (n = 2) was identified in malignant melanoma and acanthomatous ameloblastoma. Findings supported a diagnosis of possible malignancy for dogs with oral tumors having the following CT characteristics: large size, heterogeneous contrast enhancement pattern, bone lysis, tooth loss, and ipsilateral lymphadenopathy. However, there was a considerable overlap of CT findings among the different types of oral tumors and between benign and malignant tumors. Histological evaluation therefore remains necessary for definitive diagnosis.

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Odontogenic Tumors

Cited by 3 publications

References 38 publications

Maxillary neoplasms in four dromedary camels

Maxillary neoplasms in four dromedary camels

Odontogenic Tumors

CT features of malignant and benign oral tumors in 28 dogs

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