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Constrictive myelopathy secondary to caudal articular vertebral process dysplasia in West Highland white terrier dogs
Carlos Ros1, Cristian de la Fuente1, Alejandra García de Carellán Mateo1
1Hospital Veterinario de la Universidad Católica de Valencia, Avenida Perez Galdos 51, Valencia 46980, Spain and Departamento de Medicina y Cirugía Animal, Universidad Católica de Valencia, Spain (Ros, García de Carellán Mateo); Fundació Hospital Clínic Veterinari Universitat Autònoma de Barcelona, Spain and Hospital Veterinari Montjuïc, Barcelona, Spain (de la Fuente); Departamento de Medicina y Cirugía Animal, Universidad Cardenal Herrera-CEU, CEU Universities, Moncada, Valencia, Spain (Laborda-Vidal).
Abstract:
Clinical signs, imaging findings and long-term follow-up of 3 West Highland white terrier dogs with constrictive myelopathy secondary to caudal articular vertebral process dysplasia are described. Clinical signs were consistent with an acute or chronic T3-L3 myelopathy in all dogs. Diagnostic imaging revealed hypoplasia or aplasia of the caudal articular vertebral processes, extradural compressive myelographic pattern (hourglass-like pattern) with a reduced diameter of the spinal cord, and focal thickening of extradural soft tissues. Medical treatment initially improved the clinical signs in 2 dogs; however, mild proprioceptive deficits remained in all cases. Key clinical message: Constrictive myelopathy secondary to caudal articular vertebral process dysplasia in West Highland white terrier dogs should be considered as a differential diagnosis of an acute or chronic T3-L3 myelopathy in this breed.
