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Intracranial epidermoid cysts in three dogs
Veterinary Pathology
|November 1, 1982
Summary
Intracranial epidermoid cysts in dogs can cause neurological issues by compressing brain structures. These cysts, found in the fourth ventricle, appear to be more common in young dogs.
Area of Science:
- Veterinary Neurology
- Comparative Pathology
Background:
- Intracranial epidermoid cysts are rare congenital tumors.
- They arise from misplaced epithelial rests during neural tube closure.
Purpose of the Study:
- To describe the clinical and pathological findings of intracranial epidermoid cysts in three dogs.
- To compare these findings with previously reported cases.
Main Methods:
- Histopathological examination of cyst tissue.
- Review of clinical records and imaging findings.
Main Results:
- Three dogs presented with intracranial epidermoid cysts in the fourth ventricle.
- Cysts measured up to 2.5 cm, containing keratinaceous debris and lined by stratified squamous epithelium.
- Two dogs showed neurological dysfunction due to compression of the medulla oblongata and cerebellum.
Conclusions:
- Intracranial epidermoid cysts can cause significant neurological deficits in dogs.
- Young dogs appear predisposed, often affecting the cerebellopontine angle or fourth ventricle.