A case of spongiform polioencephalomyelopathy in a cat with a history of behavioural problems

A 7-month-old, entire female, domestic shorthair cat was referred to our behavioural service owing to soiling in the house and a play-related problem. The owners’ complaints were that the cat had never used the litter tray, and it did not know how to play. After reviewing the behavioural history, a...

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Main Authors: Tomàs Camps, Cristian de la Fuente, Martí Pumarola, Marta Amat, Susana Le Brech, Xavier Manteca
Format: Article
Language:English
Published: SAGE Publishing 2015-08-01
Series:Journal of Feline Medicine and Surgery Open Reports
Online Access:https://doi.org/10.1177/2055116915599172
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author Tomàs Camps
Cristian de la Fuente
Martí Pumarola
Marta Amat
Susana Le Brech
Xavier Manteca
author_facet Tomàs Camps
Cristian de la Fuente
Martí Pumarola
Marta Amat
Susana Le Brech
Xavier Manteca
author_sort Tomàs Camps
collection DOAJ
description A 7-month-old, entire female, domestic shorthair cat was referred to our behavioural service owing to soiling in the house and a play-related problem. The owners’ complaints were that the cat had never used the litter tray, and it did not know how to play. After reviewing the behavioural history, a problem of substrate preferences acquisition was suspected with regard to the elimination problem. During the consultation, the physical examination was unremarkable, but the neurological examination revealed a moderate and hypermetric ataxic gait, and a bilateral lack of menace response. Some degree of visual impairment was suspected. The problem was located in the central nervous system (CNS); specifically, an intracranial and multifocal problem was diagnosed. After a complete work-up (complete ophthalmological examination, complete blood count and a complete biochemistry panel, feline immunodeficiency virus/feline leukaemia virus test, thorax radiographs, abdominal ultrasound, brain magnetic resonance imaging [0.2 T], cerebrospinal fluid analysis and a urinary metabolic screen test), a degenerative CNS problem was suspected. No treatment was prescribed for the neurological problem. Regarding the problem of soiling in the house, reward-based training with a clicker was used, and the cat partially improved in a few weeks. Three months later, the cat was referred to the neurology service in status epilepticus. A symptomatic treatment was prescribed, with a mild response. After 2 years of treatment and a progressive worsening, the cat was euthanased. Necropsy revealed spongiform polioencephalomyelopathy. In order to rule out prion aetiology a PrPsc inmunohistochemistry assay was performed, and the results were negative. Congenital spongiform polioencephalomyelopathy (CSP) was diagnosed. We strongly suggest that the cat’s behavioural clinical signs were caused by the CSP, causing learning impairment. To the best of our knowledge, this would be the first case in which a congenital degenerative disease affected a cat’s capability to learn, leading to behavioural signs as the main complaint of the owners, even before neurological signs are detected by the owners.
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spelling doaj.art-a3597a0349da48c582608e2bde35b78f2022-12-22T01:27:55ZengSAGE PublishingJournal of Feline Medicine and Surgery Open Reports2055-11692015-08-01110.1177/205511691559917210.1177_2055116915599172A case of spongiform polioencephalomyelopathy in a cat with a history of behavioural problemsTomàs Camps0Cristian de la Fuente1Martí Pumarola2Marta Amat3Susana Le Brech4Xavier Manteca5Department of Animal and Food Science, School of Veterinary Science, Autonomous University of Barcelona, Barcelona, SpainDepartment of Animal Medicine and Surgery, School of Veterinary Science, Autonomous University of Barcelona, Barcelona, SpainDepartment of Animal Medicine and Surgery, School of Veterinary Science, Autonomous University of Barcelona, Barcelona, SpainDepartment of Animal and Food Science, School of Veterinary Science, Autonomous University of Barcelona, Barcelona, SpainDepartment of Animal and Food Science, School of Veterinary Science, Autonomous University of Barcelona, Barcelona, SpainDepartment of Animal and Food Science, School of Veterinary Science, Autonomous University of Barcelona, Barcelona, SpainA 7-month-old, entire female, domestic shorthair cat was referred to our behavioural service owing to soiling in the house and a play-related problem. The owners’ complaints were that the cat had never used the litter tray, and it did not know how to play. After reviewing the behavioural history, a problem of substrate preferences acquisition was suspected with regard to the elimination problem. During the consultation, the physical examination was unremarkable, but the neurological examination revealed a moderate and hypermetric ataxic gait, and a bilateral lack of menace response. Some degree of visual impairment was suspected. The problem was located in the central nervous system (CNS); specifically, an intracranial and multifocal problem was diagnosed. After a complete work-up (complete ophthalmological examination, complete blood count and a complete biochemistry panel, feline immunodeficiency virus/feline leukaemia virus test, thorax radiographs, abdominal ultrasound, brain magnetic resonance imaging [0.2 T], cerebrospinal fluid analysis and a urinary metabolic screen test), a degenerative CNS problem was suspected. No treatment was prescribed for the neurological problem. Regarding the problem of soiling in the house, reward-based training with a clicker was used, and the cat partially improved in a few weeks. Three months later, the cat was referred to the neurology service in status epilepticus. A symptomatic treatment was prescribed, with a mild response. After 2 years of treatment and a progressive worsening, the cat was euthanased. Necropsy revealed spongiform polioencephalomyelopathy. In order to rule out prion aetiology a PrPsc inmunohistochemistry assay was performed, and the results were negative. Congenital spongiform polioencephalomyelopathy (CSP) was diagnosed. We strongly suggest that the cat’s behavioural clinical signs were caused by the CSP, causing learning impairment. To the best of our knowledge, this would be the first case in which a congenital degenerative disease affected a cat’s capability to learn, leading to behavioural signs as the main complaint of the owners, even before neurological signs are detected by the owners.https://doi.org/10.1177/2055116915599172
spellingShingle Tomàs Camps
Cristian de la Fuente
Martí Pumarola
Marta Amat
Susana Le Brech
Xavier Manteca
A case of spongiform polioencephalomyelopathy in a cat with a history of behavioural problems
Journal of Feline Medicine and Surgery Open Reports
title A case of spongiform polioencephalomyelopathy in a cat with a history of behavioural problems
title_full A case of spongiform polioencephalomyelopathy in a cat with a history of behavioural problems
title_fullStr A case of spongiform polioencephalomyelopathy in a cat with a history of behavioural problems
title_full_unstemmed A case of spongiform polioencephalomyelopathy in a cat with a history of behavioural problems
title_short A case of spongiform polioencephalomyelopathy in a cat with a history of behavioural problems
title_sort case of spongiform polioencephalomyelopathy in a cat with a history of behavioural problems
url https://doi.org/10.1177/2055116915599172
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