Vet Med - Czech, 2021, 66(5):219-224 | DOI: 10.17221/68/2020-VETMED

Closed spinal dysraphism in a 6-month-old mixed breed dogCase Report

GG Franco1, EGM Siqueira2, JAL Souza2, LOC Prado2, SC Rahal2, MJ Mamprim3, BW Minto4, CVS Brandao2, JS Jr Costa4
1 Department of Surgery, Federal University of Espirito Santo, Alegre, Espírito Santo, Brazil
2 Department of Veterinary Surgery and Anesthesiology, College of Veterinary and Animal Science, São Paulo State University "Júlio de Mesquita Filho", Botucatu, São Paulo, Brazil
3 Department of Animal Reproduction and Veterinary Radiology, College of Veterinary and Animal Science, São Paulo State University "Júlio de Mesquita Filho", Botucatu, São Paulo, Brazil
4 Department of Clinical and Veterinary Surgery, College of Agricultural and Veterinary Sciences, São Paulo State University "Júlio de Mesquita Filho", Jaboticabal, São Paulo, Brasil

The term spinal dysraphism defines an incomplete fusion or a bone defect that affects the neural structures of the spinal cord due to a neural tube malformation. A 6-month-old, male, mixed-breed dog, was evaluated for paraparesis, pelvic limb proprioceptive ataxia, faecal and urinary incontinence. A neurological examination indicated an L4-S3 spinal cord segment lesion. A thoracolumbar and lumbosacral spine magnetic resonance imaging was performed and a closed spinal dysraphism, with the presence of a lipomyelomeningocele, was detected. The magnetic resonance imaging showed an entire narrowing passage and a fibrous mass stemming from a wedge-shaped gap in the caudal region of the dorsal lamina of the L4 vertebra, leaving the spinal canal towards the skin surface in the region where the skin stigma was observed. A dorsal laminectomy was performed, the spinal cord was exposed, and the entire fibrous mass was excised. Three months postoperatively, the patient had a complete resolution of the urinary and faecal incontinence showing only a residual mild paraparesis, which remained six months after surgery. The surgical procedure resulted in the satisfactory recovery of the neurological signs.

Keywords: congenital malformation; lipomyelomeningocele; spina bifida

Received: March 25, 2020; Accepted: November 24, 2020; Prepublished online: May 3, 2021; Published: May 31, 2021  Show citation

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Franco G, Siqueira E, Souza J, Prado L, Rahal S, Mamprim M, et al.. Closed spinal dysraphism in a 6-month-old mixed breed dog. Vet Med - Czech. 2021;66(5):219-224. doi: 10.17221/68/2020-VETMED.
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