Surgical Management of Compound Odontoma in a Dog

Klima, Larry J.; Goldstein, Gary

doi:10.1177/089875640702400206

Cited by 9 publications

(23 citation statements)

References 18 publications

(93 reference statements)

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“…Neoplastic lesions associated with unerupted teeth have previously been described in 16 dogs: 13 odontomas (7 compound odontomas, 1 ameloblastic odontoma, 1 ameloblastic fibro-odontoma, and 4 non-specified odontomas), 1 squamous papilloma, 1 peripheral odontogenic fibroma, and 1 squamous cell carcinoma (14, 26, 31, 32, 38, 39, 44, 47, 52, 56, 59, 86). Only in six out of 16 cases (37.5%) a cystic component was also described (32, 39, 59, 86).…”

Section: Discussionmentioning

confidence: 99%

A Clinical, Radiographic and Histological Study of Unerupted Teeth in Dogs and Cats: 73 Cases (2001–2018)

et al. 2019

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Lack of dental eruption may be accompanied by development of dentigerous cysts and has also been rarely associated with neoplasia. However, little information is available on prevalence of unerupted teeth and associated lesions in dogs and cats. The main objective of this study was to describe the epidemiologic data of canine and feline dental patients with unerupted teeth, and assess the prevalence of associated dentigerous cysts and tumors. Secondary aims included the evaluation of possible factors implicated in cystic development, and description of the histological features of dentigerous cysts. Medical and dental records, intraoral photographs, intraoral radiographs of client-owned dogs and cats with clinically missing teeth examined between 2001 and March 2018 were reviewed. Collected data included signalment, reason for presentation, number, type, depth of inclusion and angulation of unerupted teeth, presence of cystic lesions or tumors, abnormalities affecting involved teeth, histopathological findings, performed treatment and outcome. Seventy-three animals (69 dogs and 4 cats) with 113 unerupted teeth were included. The most frequent unerupted tooth in dogs was the first premolar teeth (78%), followed by the canine and third molar teeth. Dentigerous cysts were diagnosed associated with 48 (44.4%) teeth in dogs and one out of five unerupted teeth in cats. The affected teeth in dogs were predominantly in horizontal inclination (40%) and in soft tissue inclusion (77%). Brachycephalic canine breeds were overrepresented. The only unerupted tooth in boxer dogs was the first premolar tooth (32 teeth). Ninety percentage of boxers with unerupted teeth developed associated lesions (25 dentigerous cysts and one tumor). Two ameloblastomas (one in a dog and one in a cat) and one osteosarcoma (in a dog) were diagnosed in association with three unerupted teeth. Histology was essential in diagnosing two odontogenic cysts not evident on radiographs. In all cases that were followed-up, treatment (i.e., extraction, extraction and surgical curettage, or operculectomy) appeared successful. Untreated dentigerous cysts showed progression at re-examination. None of the unerupted teeth without evidence of cyst at the time of diagnosis showed incipient cystic development. None of the evaluated factors were associated with lack of eruption and/or development of associated lesions.

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Section: Discussionmentioning

confidence: 99%

A Clinical, Radiographic and Histological Study of Unerupted Teeth in Dogs and Cats: 73 Cases (2001–2018)

et al. 2019

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“…They persist throughout the life of the tooth within the periodontal ligament and may play a role in the formation of odontogenic tumors and cysts. 9,27,29 During the bell stage, some of the epithelial cells between the IEE and the stellate reticulum differentiate into the stratum intermedium, which works synergistically with ameloblasts of the IEE to form the enamel of the tooth. As tooth development reaches completion, the dental lamina disintegrates, separating the tooth from the oral epithelium.…”

Section: Discussionmentioning

confidence: 99%

“…The vast majority of the reported cases of odontomas in dogs were treated by enucleation of the tooth-like structures and the cystic lining that encompassed the odontoma. [8][9][10][14][15][16][17][18]31,33 Even with extensive tumors, such as the second case described here, as long as the tooth-like structures and epithelial lining are removed completely, the chance for recurrence is low, and there is only 1 report of odontoma recurrence in a horse in the veterinary literature. 15 The cystic linings in the 2 cases in this report were very different.…”

Section: Discussionmentioning

confidence: 99%

Extensive Maxillary Odontomas in 2 Dogs

Hoyer¹,

Bannon²,

Bell

et al. 2016

J Vet Dent

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Two immature male dogs were presented for the treatment of extensive maxillary compound odontomas. In both cases, clinical evaluation and diagnostic imaging revealed extensive lesions invading and displacing anatomical structures of the maxilla. Histopathology confirmed the diagnoses in both cases. One dog was treated with partial rostral maxillectomy, and the other dog was treated with enucleation of the cystic lining and removal of tooth-like structures through a lateral rhinotomy utilizing an intraoral approach. This report illustrates the growth potential of maxillary compound odontomas in 2 dogs and highlights their subclinical appearance and excellent prognosis despite their extensive nature.

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“…Although common imaging characteristics for all mass types were identified, individual tumor types of this sample group had more specific imaging findings. Previously reported information on the imaging characteristics of canine odontogenic tumors is limited primarily to case or case series reports and brief textbook descriptions . To the authors’ knowledge, a blinded study of the imaging characteristics of these tumors incorporating a board‐certified veterinary radiologist has not been previously performed.…”

Section: Discussionmentioning

confidence: 99%

“…There was only one compound odontoma in this study and it contained hyperattenuating tooth‐like material with areas suggestive of enamel. The radiographic characteristics of canine compound odontomas have been extensively described in multiple case reports and case series and mass associated tooth‐like material is a trademark Roentgen sign of these tumors . These masses are also often associated with impacted or unerupted teeth and mass‐associated cyst‐like structures have been described …”

Section: Discussionmentioning

confidence: 99%

Computed Tomographic Characteristics of Odontogenic Neoplasms in Dogs

Amory

Reetz

Sánchez

et al. 2013

Vet Radiology Ultrasound

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Odontogenic neoplasms are locally invasive oral tumors in dogs. The purpose of this retrospective study was to describe CT characteristics for varying histopathologic types of canine odontogenic neoplasms. A boardcertified veterinary radiologist who was unaware of histologic findings reviewed and scored imaging studies. A total of 29 dogs were included in the study. Twenty-three of these dogs had concurrent dental radiographs. The most common CT characteristics for all tumor types were a direct association with or in the region of multiple teeth in 96.4% (27/28), contrast enhancement in 96.3% (26/27), alveolar bone lysis in 93.1% (27/29), and mass-associated tooth displacement in 85.2% (23/27). Mass-associated cyst-like structures were identified in 53.6% (15/28) and were only present in tumors containing odontogenic epithelium. Canine acanthomatous ameloblastomas (n = 15) appeared as extra-osseous (10/15) or intra-osseous (5/15) masses. Intra-osseous canine acanthomatous ameloblastomas were more likely to have mass-associated cyst-like structures and were subjectively more aggressive when compared with extra-osseous canine acanthomatous ameloblastomas. Amyloid-producing odontogenic tumors (n = 3) had subjectively uniform CT imaging characteristics and consisted of round soft tissue and mineral attenuating masses with multiple associated cyst-like structures. Fibromatous epulides of periodontal ligament origin (n = 4) were contrast enhancing extra-osseous masses that were rarely referred for CT examinations and 25% (1/4) were not visible with CT. Other odontogenic tumors were less represented or had more variable CT imaging characteristics. Mass-associated tooth destruction was appreciated more often with dental radiographs and extra-oral tumor extension was identified more often with CT. C 2013 American College of Veterinary Radiology.

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Surgical Management of Compound Odontoma in a Dog

Cited by 9 publications

References 18 publications

A Clinical, Radiographic and Histological Study of Unerupted Teeth in Dogs and Cats: 73 Cases (2001–2018)

A Clinical, Radiographic and Histological Study of Unerupted Teeth in Dogs and Cats: 73 Cases (2001–2018)

Extensive Maxillary Odontomas in 2 Dogs

Computed Tomographic Characteristics of Odontogenic Neoplasms in Dogs

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