Severe hydrocephalus in a raccoon dog (Nyctereutes procyonoides).

J Vet Med Sci

College of Veterinary Medicine and the Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Republic of Korea.

Published: July 2021

AI Article Synopsis

  • Hydrocephalus is a common brain malformation in domesticated dogs but is not well-studied in wild carnivores like raccoon dogs.
  • A raccoon dog pup exhibited symptoms such as a domed skull and severe neurological issues, confirmed by imaging techniques showing significant brain ventricle enlargement.
  • Despite treatment efforts, the pup was euthanized due to a poor prognosis, and necropsy confirmed hydrocephalus with characteristics that matched the imaging results.

Article Abstract

Hydrocephalus is one of the most common central nervous system malformations in domestic dogs, yet they are poorly documented and studied in wild carnivoran mammals. A pup of raccoon dog (Nyctereutes procyonoides) was rescued and brought to Wildlife Center. The pup showed generalized ataxia, a domed skull, and an open bregmatic fontanelle. Ultrasound and MRI showed severe enlargement of the lateral ventricle with the loss of septum pellucidum resulting in a single large ventricle and cervical syringohydromyelia. Although treatment was attempted, the animal was euthanized due to poor prognosis. At necropsy, macroscopic findings were identical to the diagnostic imaging, where marked enlargement of the calvarium, and attenuated gyri and sulci were observed. Finally, hydrocephalus was confirmed. Here, we describe a case of hydrocephalus in a raccoon dog (Nyctereutes procyonoides).

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8349822PMC
http://dx.doi.org/10.1292/jvms.20-0607DOI Listing

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