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Severe myelopathy with thrombophlebitis caused by Gurltia paralysans infection in a cat
  1. Manuel Moroni1,
  2. Pamela Muñoz1,
  3. Marcelo Mieres2,
  4. Marcelo A Gómez3 and
  5. Frank Vera4
  1. 1Department of Animal Pathology, Universidad Austral de Chile, Valdivia, Chile
  2. 2Department of Veterinary Clinical Sciences, Universidad Austral de Chile, Valdivia, Chile
  3. 3Department of Pharmacology and Morphophysiology, Universidad Austral de Chile, Valdivia, Chile
  4. 4Department of Veterinary Hospital, Universidad San Sebastian, Puerto Montt, Chile
  1. Correspondence to Dr Manuel Moroni, manuelmoroni{at}


Gurltia paralysans is an uncommon neuroparasite that affects domestic cats in South America. The authors herein report a case of an adult male domestic cat with a three-month history of progressive hindlimb paralysis. Neuroanatomical evaluation indicated compromise of the thoracolumbar and lumbosacral spinal cord segments. An authorised euthanasia was performed because of the guarded prognosis. Postmortem examination findings included leptomeningeal vein congestion and varicose veins, especially in the T9–T13 spinal cord segments. One male and 11 female adult G paralysans nematodes were recovered from the spinal subarachnoid veins of the affected areas. Histopathological examination revealed dilatation and congestion of several leptomeningeal vessels and parasitic eggs within both nematodes and intravenous thrombi. Several mononuclear inflammatory cells surrounded a mineralised section of nematodes in the meningeal space. Feline gurltiosis should be considered as an important differential diagnosis in cats with neurological signs secondary to thoracolumbar and/or lumbosacral spinal cord lesions.

  • spinal cord
  • Nematodes
  • feline
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