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MRI of secondary cervical syringomyelia in four cats
Midori Okada1, Masato Kitagawa, Daisuke Ito
1Nihon University Veterinary Research Center, Japan.
Abstract:
This report describes the use of magnetic resonance imaging (MRI) to diagnose cervical syringomyelia in 4 cats. MRI revealed enlargement of the lateral ventricle in all the cats. Of the 4 cases, MRI revealed herniation of the cerebellum in 3 cats, an isolated fourth ventricle in 1 cat, severe hydrocephalus in 2 cats and brain masses in 1 cat. In this report, the cervical syringomyelia in these cats may have been due to formation of a secondary syrinx (enlargement of the central canal) as a result of blockage of flow in the outlet of the fourth ventricle caused by FIP encephalomyelitis or secondary cerebellar tonsillar herniation caused by increased intracranial pressure due to intracranial masses or may have been due to caudal compression of the cerebellum caused by increased intracranial pressure due to hydrocephalus.
Insights
Magnetic resonance imaging (MRI) effectively diagnosed cervical syringomyelia in cats. Findings included ventricular enlargement, cerebellar herniation, and hydrocephalus, suggesting various underlying causes for the condition.
Area of Science:
- Veterinary Neurology
- Diagnostic Imaging
- Comparative Pathology
Background:
- Cervical syringomyelia is a serious neurological condition in felines.
- Accurate diagnosis is crucial for understanding disease progression and potential treatments.
- Magnetic resonance imaging (MRI) offers detailed anatomical visualization of the feline central nervous system.
Observation:
- This study analyzed MRI findings in four cats diagnosed with cervical syringomyelia.
- Common observations included enlargement of the lateral ventricles in all cases.
- Additional findings varied, encompassing cerebellar herniation, isolated fourth ventricle, hydrocephalus, and brain masses.
Findings:
- MRI revealed significant anatomical abnormalities associated with cervical syringomyelia in cats.
- Cerebellar herniation and hydrocephalus were frequently observed, indicating increased intracranial pressure.
- Potential causes identified include Feline Infectious Peritonitis (FIP) encephalomyelitis or secondary effects of intracranial masses.
Implications:
- MRI is a valuable tool for diagnosing cervical syringomyelia and associated pathologies in cats.
- Understanding the diverse underlying causes can guide further research into feline neurological disorders.
- These findings contribute to improved diagnostic strategies and potential therapeutic approaches for affected felines.
