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Peer-reviewed veterinary case report

Brain tumor ganglioneuroblastoma in 8-month-old Golden Retriever

By Kuwamura, M et al.·Published in Veterinary pathology·2004·Osaka Prefecture University, Japan·View original on PubMed

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Original publication title: Cerebral ganglioneuroblastoma in a golden retriever dog.

Species:
dog

Plain-English summary

An 8-month-old Golden Retriever was sadly euthanized due to a large brain tumor affecting the right side of its brain. The tumor, called a cerebral ganglioneuroblastoma, was made up of both mature and immature nerve cells. This type of tumor is extremely rare in dogs and had never been reported in this location before. Unfortunately, the condition was severe enough that the decision was made to end the dog's suffering.

People also search for: dog brain tumor symptoms · Golden Retriever euthanasia · rare dog tumors · puppy neurological issues

Abstract

An 8-month-old Golden Retriever dog was euthanatized because of a large cerebral mass extending from the right frontal lobe to the thalamus that was composed of both mature and immature neuronal cells. The better differentiated cells had abundant eosinophilic cytoplasm with prominent Nissl substance and were generally positive for neurofilament and variably positive for synaptophysin. The generally smaller and less-differentiated cells were infrequently positive for proliferating cell nuclear antigen and were negative for any neuronal and glial markers. No apparent glial differentiation of the immature tumor cells was detected. Based on morphologic and immunohistochemical features, the diagnosis of cerebral ganglioneuroblastoma was made. This neoplasm is very rare in all species, especially in the central nervous system, and has never been reported previously in this site in a dog.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/15133180/