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Case Reports
. 2013 Oct;54(10):969-73.

Thoracolumbar spinal arachnoid diverticula in 5 pug dogs

Thomas Flegel  1 , Marie-Kerstin Müller, Katrin Truar, Carina Löffler, Gerhard Oechtering
Affiliations
Case Reports

Thoracolumbar spinal arachnoid diverticula in 5 pug dogs

Thomas Flegel et al. Can Vet J. 2013 Oct.

Abstract
in English, French

Clinical features, myelography, and computed tomography imaging findings as well as neurological outcome with and without surgery in 5 pug dogs with thoracolumbar arachnoid diverticula are described. Short-term prognosis after surgical therapy may not be as good as reported for other canine breeds, since immediate postsurgical deterioration is possible. Improvement of neurological deficits beyond the presurgical status may take several months.

Diverticules arachnoïdes spinales thoraco-lombaires chez 5 chiens Carlin. Les caractéristiques cliniques, la myélographie et l’imagerie par tomodensitométrie ainsi que les résultats neurologiques avec et sans chirurgie chez 5 chiens Carlin atteints de diverticules arachnoïdes thoraco-lombaires sont décrits. Le pronostic à court terme après la thérapie chirurgicale peut ne pas être aussi bon que signalé pour d’autres races canines, vu qu’une détérioration postchirurgicale immédiate est possible. L’amélioration des déficits neurologiques par rapport à l’état avant la chirurgie peut prendre plusieurs mois.(Traduit par Isabelle Vallières).

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Figures

Figure 1
Figure 1
Lateral myelography of the thoracic spine of a 7.5-year-old pug dog. Note the drop-shaped dorsal arachnoid diverticulum at T11 (arrow).
Figure 2
Figure 2
Transverse myelogram computed tomography of a 5.5-year-old pug dog with a left-dorsal arachnoid diverticulum at T9. The hyperattenuating diverticulum is occupying the majority of the transected spinal canal and there is only a thin rim of spinal cord tissue left (arrows).
Figure 3
Figure 3
Sagittal T2-weighted spinal MRI (A) and lateral myelography (B) of the thoracic spine of a 1.5-year-old pug dog. There is an intraspinal signal hyperintensity on MRI (A). The arachnoid diverticulum at the cranial border of T7 (arrow) visible on the mylography cannot clearly be identified on the MRI.
Figure 4
Figure 4
Lateral myelography of the thoracic spine of a 3.5-year-old pug dog with a dorsal arachnoid diverticulum at T8, which does not have a drop-shaped appearance.
See this image and copyright information in PMC

References

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