Peer-reviewed veterinary case report
Blindness linked to proventricular dilatation disease in grey parrot
By Steinmetz, A et al.·Published in The Journal of small animal practice·2008·Department of Small Animal Medicine, Germany·View original on PubMed →
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Original publication title: Blindness as a sign of proventricular dilatation disease in a grey parrot (Psittacus erithacus erithacus).
- Species:
- bird
Plain-English summary
An eight-year-old female grey parrot was brought in because she had been blind for two months. X-rays showed that her stomach was enlarged, and tests revealed damage to her retina. The vet suspected she had proventricular dilatation disease, a serious condition affecting the digestive system. Unfortunately, due to her worsening health and poor outlook, the decision was made to euthanize her. The examination after her passing confirmed significant damage to her digestive organs and eyes related to this disease.
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Abstract
An approximately eight-year-old female grey parrot (Psittacus erithacus erithacus) was presented with a two months history of blindness. The radiographic examination showed a dilatation of the proventriculus, ventriculus and gut. Ophthalmoscopy and electroretinography revealed degeneration of the retina. A proventricular dilatation disease was suspected. The bird was euthanased because of deteriorating condition and poor prognosis. The pathological examination showed an atrophy of the ventricular muscles and lymphoplasmacytic infiltrates of the myenteric plexus of the proventriculus, ventriculus and gut as well as moderate lymphoplasmacytic infiltrates of the cerebrum with moderate neuronophagia. Lymphoplasmacytic infiltrates in the retina, indicating proventricular dilatation disease, and subsequent retinal degeneration were found. A potential common aetiology for proventricular dilatation disease and blindness is discussed.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/18684144/