Peer-reviewed veterinary case report
Periapical cysts in dogs affecting the incisive bone and maxilla
By Vogel-Waski, Rebecca J et al.·Published in Frontiers in veterinary science·2024·Red Bank Veterinary Hospital, United States·View original on PubMed →
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Original publication title: Periapical cysts in dogs: 10 cases (2000-2020).
- Species:
- dog
Plain-English summary
A 5-year-old mixed-breed dog was brought in with a swollen area in the mouth and difficulty breathing. The vet discovered that the swelling was caused by a periapical cyst, which is linked to a non-vital tooth that had a structural defect. The treatment involved removing the affected tooth and the cyst, which led to a complete resolution of the dog's symptoms. After the surgery, the dog was able to breathe normally and showed no further signs of discomfort.
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Abstract
OBJECTIVE: To characterize the clinical, diagnostic imaging, and histologic features with description of treatment outcome of periapical cysts in dogs. ANIMALS: Ten client-owned dogs diagnosed with periapical cysts biopsied between July 1, 2000 and June 30, 2020. PROCEDURES: Medical records of the Matthew J. Ryan Veterinary Hospital of the University of Pennsylvania were retrospectively searched to identify dogs that had surgical biopsy specimens of cavitary lesions diagnosed as odontogenic cysts and that met additional inclusion criteria. Complete medical records were reviewed. RESULTS: Range age and body weight of affected dogs were 2.5-12.1 years and 4.3-38.4 kg (9.5-84.7 lb), respectively. All periapical cysts were affecting the incisive bone and/or the maxilla. Nine dogs presented with a fluctuant swelling of the oral mucosa and gingiva; one dog without clinical swelling presented with a history of difficulty breathing. All cysts originated from a non-vital tooth with a structural defect (wear or fracture without pulp exposure) and/or intrinsic staining. Extraction of the associated non-vital teeth, enucleation of the cysts, and curettage of the surgical sites resulted in resolution of the clinical signs. CONCLUSIONS AND CLINICAL RELEVANCE: The findings indicate that periapical cysts are associated with a non-vital tooth without pulp exposure. Complete evaluation of the clinical, diagnostic imaging, and histologic features of the lesion in affected dogs is necessary to differentiate periapical cysts from other odontogenic cysts and tumors.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/39691380/