Oscar’s case of extraocular myositis
Davies Veterinary Specialists
Diagnostic Imaging, Ophthalmology
20th November 2019
How Diagnostic Imaging helped Ophthalmology team diagnose extraocular myositis
Oscar was referred to our ophthalmology service after his owners woke to find him with both eyes bulging prominently.
He underwent an MRI scan of his head, which allows detailed evaluation of the structures surrounding the eyes.
Using a dorsal plan STIR image, a type of MRI sequence which highlights areas of swelling and inflammation, we identified an intense signal arising from the extraocular muscles compared with other muscles of the skull.
This pattern is typical of extraocular myositis.
In this condition, there is presumed to be an immune-mediated attack on the extraocular muscles, with their distinct protein make-up ensuring that they become inflamed whilst other muscles in the body are typically unaffected.
Oscar responded well to treatment with a high dose of steroids, promptly regaining his good looks, and was gradually weaned off treatment over the following months.
Find out more
Diagnostic imaging facilities available at Davies Veterinary Specialists include:
- Two digital X-ray suites with Wireless D-EVO II detectors
- Two fluoroscopic units for moving/ real time
- X-rays – one with digital subtraction for vascular studies
- Two ultrasound units – including colour-flow Doppler
- MRI and CT scanners
- Off-site access to nuclear medicine is also available
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