This is Toby! Toby is a 13-year-old terrier mix who was brought in for evaluation of the acute onset of non-ambulatory tetraparesis, meaning he had weakness in all four of his limbs and was therefore unable to walk. On examination, he had mild motor function in all four limbs, decreased reflexes in his right thoracic limb, and mild discomfort on palpation of his neck. An MRI was performed, which revealed an intervertebral disc extrusion at C3-C4 causing compression of the spinal cord. Toby was i