Peer-reviewed veterinary case report
Ethmoidal encephalocoele associated with seizures in a puppy.
- Journal:
- The Journal of small animal practice
- Year:
- 2005
- Authors:
- Jeffery, N
- Affiliation:
- Department of Clinical Veterinary Medicine · United Kingdom
- Species:
- dog
Plain-English summary
A six-month-old puppy was brought in because it was having seizures. A thorough examination showed ongoing brain problems, but no metabolic issues were found. An MRI scan revealed that part of the puppy's brain was extending into its nasal cavity, which is not normal. Unfortunately, even with treatment to help manage the seizures, the puppy continued to suffer and was ultimately put to sleep. A postmortem exam confirmed the unusual brain structure and showed significant damage, leading to the diagnosis of ethmoidal encephalocoele, a condition that has not been seen in dogs before.
Abstract
A six-month-old puppy was presented for investigation of a seizure disorder. Neurological examination indicated persistent cerebral dysfunction in the absence of any identifiable metabolic disorder and magnetic resonance imaging revealed extension of the rostral lobes of the cerebrum into the nasal cavity. Despite symptomatic treatment, the puppy continued to exhibit seizures and appeared distressed and so was euthanased. Postmortem examination confirmed the abnormal anatomy of the rostral part of the brain and absence of a cribriform plate. There was extensive grey and white matter degeneration plus intraparenchymal haemorrhage in the abnormal brain tissue. The findings are consistent with a diagnosis of ethmoldal encephalocoele--a condition that has not previously been reported in the dog.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/15736816/