Peripheral Odontogenic Fibroma

Typical Signalment

• Most common benign tumour found in the oral cavity in dogs
• Less common in cats
• Seen in dogs of any age but more common in those >6years old

Description

Peripheral odontogenic fibroma is a benign tumour that arises from the periodontal ligament. It was previously known as a fibromatous epulis and ossifying epulis depending on the degree of mineralization. They present as firm, smooth swellings of the gingiva and are normally indistinguishable from gingival hyperplasia.

Diagnosis

Clinical Signs

• halitosis
• dysphagia
• bleeding
• growth protruding from the mouth

Diagnostic Imaging

Radiographs are required to differentiate this benign neoplasm from malignant or locally aggressive lesions. Radiographs typically show a soft tissue opacity in the the gingiva region with varying degrees of mineralization. Bone involvement is notItalic text a feature of this neoplasm.

References

• Tutt, C., Deeprose, J. and Crossley, D. (2007) BSAVA Manual of Canine and Feline Dentistry (3rd Edition) BSAVA

• Merck & Co (2008) The Merck Veterinary Manual