Peer-reviewed veterinary case report
Swelling near left eye in young Labrador caused by maxillary bone cyst
By Featherstone, H & Llabres Diaz, F·Published in The Journal of small animal practice·2003·Centre for Small Animal Studies·View original on PubMed →
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Original publication title: Maxillary bone epithelial cyst in a dog.
- Species:
- dog
Plain-English summary
A one-year-old neutered male Labrador had a swelling near his left eye that didn't improve with antibiotics or anti-inflammatory medications. X-rays and ultrasounds showed a round cyst in the bone, which was not connected to the tear duct. After taking a sample of the fluid from the cyst, tests showed it was benign and not infected. The cyst was surgically removed, and the dog recovered well, with no signs of it coming back after two years.
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Abstract
A swelling ventromedial to the left eye of a one-year-old, neutered male Labrador failed to respond to antibiotic and anti-inflammatory therapy. Plain and contrast radiography revealed a spherical, radiolucent area, 1.5 cm in diameter, dorsomedial to the fourth maxillary premolar and rostral to the ethmoid region. The lesion was thin-walled, with a smooth radiopaque margin, and was clearly demarcated from the surrounding structures. Dacryocystography demonstrated no apparent physical association between the lesion and the nasolacrimal duct, the latter appearing normal. Ultrasonography of the lesion showed a round, anechoic structure consistent with the appearance of a cyst. Prior to surgical excision of the lesion, intralesional fluid was aspirated. Bacteriology of the fluid was negative for both aerobic and anaerobic organisms. Cytological examination of the fluid showed a few macrophages and small lymphocytes; neither significant inflammatory component nor neoplastic cells were found. Histology showed the lesion to be a benign epithelial cyst. The dog recovered uneventfully and there was no clinical evidence of recurrence within a two-year follow-up period.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/14692552/