Abstract

AbstractA 6‐year‐old cocker spaniel dog was investigated by computed tomography for a marked neck pain more evident on ventroflexion. Cervical disc extrusion of mineralised nucleus pulposus material was identified in the vertebral canal dorsally to the C4–C5 intervertebral space, with spinal cord compression. Another mineralised material was also identified at an unusual location, ventrally to the C2–C3 intervertebral space. Ventral slot at C4–C5 intervertebral disc allowed surgical removal of the compressive disc, and longus colli muscles dissection at C2–C3 level allowed removal of the identified material, confirmed histologically as degenerated (mineralised) nucleus pulposus. Ventral paravertebral disc extrusion of degenerated nucleus pulposus extrusion is rarely described in human medicine. This case report illustrates the anatomical and imaging key points that support the diagnostic approach to a previously undescribed presentation of disc extrusion in dog.

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