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Revista de la Facultad de Medicina Veterinaria y de Zootecnia
versión impresa ISSN 0120-2952
Resumen
ALONSO, G. O; RAMIREZ, J. F y CAMACHO, F. J. ANATOMICAL STUDY OF INTERVERTEBRAL DISC WIDTH AND DOG´S FORAMINAL ZONE. Rev. Med. Vet. Zoot. [online]. 2012, vol.59, n.2, pp.87-96. ISSN 0120-2952.
Dog´s spine has been used as an experimental model in human medicine and is also one of the most studied animals in veterinary medicine. However, there are limited descriptions of intervertebral disc IV and intervertebral foramen IF width. The purpose of this study is to measure the width of the IV (IVW) and IF and its relations with the exit of the spinal nerves. A descriptive study was performed in 5-dogs´ cadavers. Were measured IV width, distance between emerging spinal nerve and the adjacent vertebral body (KTH), and the IF diameters. The IV ventral width average was 7.34 mm (SD 2.209) and distance from the spinal nerve and the posterior edge of IV was 3.56 mm (SD 1.366). The average diameters were, in craniocaudal aspect IF was 5.24 mm (SD 1.838) and dorsoventral was 4.73 mm (SD 1.098). The anatomical relationships of ID and IF are fundamental in the development of approaches and instruments for minimally invasive surgery. For this sample, it showed a graphical relationship between KTH and IDW and a maximum length of all measured structures in L4 - L5. This study raises the possibility of developing instrumental for canine dorsolateral percutaneous approach, made for dogs from 10 kg.
Palabras clave : intervertebral disc; foramen; width; morphometry; experimental model; dogs.