Luis Alejandro Pérez López, Robert Brash, Agata Tsvetanova, Beatriz García González, José Carlos Almansa Ruiz
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Radicular (periapical) cyst causing exophthalmos in a dog
A 10‐year‐old male neutered Bichon Frise presented for assessment of right unilateral exophthalmos. The ophthalmological assessment revealed signs of retrobulbar disease. Computed tomography of the head showed a cavitary, well‐defined, fluid‐filled structure, which displayed a strong peripheral rim of contrast enhancement, and was centred around the tooth roots of the right maxillary first and second molar teeth (109 and 110). Focused ultrasound‐guided fluid sampling and fine needle aspirates were obtained for diagnostic purposes. After discussing the case with a veterinary dentist, extraction of the 109 and 110 and debridement of the cyst were performed. Histopathology supported the suspicion of a radicular cyst. Radicular cysts, despite being benign lesions, need to be included as a possible differential in cases with exophthalmos due to their potential retrobulbar mass effect.
期刊介绍：
Vet Record Case Reports is an online resource that publishes articles in all fields of veterinary medicine and surgery so that veterinary professionals, researchers and others can easily find important information on both common and rare conditions. Articles may be about a single animal, herd, flock or other group of animals managed together. Common cases that present a diagnostic, ethical or management challenge, or that highlight aspects of mechanisms of injury, pharmacology or histopathology are deemed of particular educational value. All articles are peer reviewed and copy edited before publication.
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