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August 2021

Animal: a 11-year-old, neutered female, Labrador Retriever dog. 

Organ: cervical spinal cord. 

History: nonambulatory paresia of the hindlegs and the left foreleg, with a 3-day history of loss of proprioception. Presence of left-sided Horner’s syndrome. 

Autopsy (performed by Laëtitia Dorso): absence of significant gross lesion. 

Histopathological diagnosis: polio- and leucomyelomalacia, focally extensive, severe, with wallerian degeneration, haemorrhage and fibrocartilagenous emboli. 

Potential additional stainings to highlight the emboli: Alcian blue or Toluidine blue. 

Name of the condition: fibrocartilaginous embolic myelopathy. 

Histopathology and photo by: Cynthia Robveille, Autopsy service, Oniris – Veterinary Medicine School, Nantes, France.