Term: Neurotmesis
Neurotmesis is complete severance of the entire nerve fiber, including the axon, myelin sheath, Schwann cells and endoneurium.
NeuroPetVet was created and is maintained by Dr. Mark Troxel, a board-certified veterinary neurologist. Dr. Troxel received his veterinary degree from the Iowa State University College of Veterinary Medicine in 1999. Following veterinary school, Dr. Troxel completed a rotating internship in small animal medicine, surgery and critical care at VCA South Shore Animal Hospital in South Weymouth, MA in 2000. He then went on to complete an internal medicine specialty internship at Garden State Veterinary Specialists in New Jersey in 2001. From 2001 to 2004, Dr. Troxel was at the University of Pennsylvania’s School of Veterinary Medicine to complete a residency in medical neurology and neurosurgery. Dr. Troxel became board-certified in neurology by the American College of Veterinary Internal Medicine in July 2004. Following his residency, Dr. Troxel served as the staff neurologist at VCA South Shore Animal Hospital until he joined the Neurology/Neurosurgery Department at Massachusetts Veterinary Referral Hospital in 2005. He has also received an advanced neurosurgery certificate of training and is certified in cervical disc arthroplasty for disc-associated Wobbler Syndrome.
Dr. Troxel is a member of the American College of Veterinary Internal Medicine, Veterinary Neurosurgical Society, American Veterinary Medical Association, Massachusetts Veterinary Medical Association, and the International Veterinary Academy of Pain Management.
Dr. Troxel frequently lectures at local, regional and national meetings to veterinarians, students, and technicians. His clinical interests include canine & feline brain tumors, neurosurgery, and vestibular dysfunction.
Neurotmesis is complete severance of the entire nerve fiber, including the axon, myelin sheath, Schwann cells and endoneurium.
The falx cerebri is the vertical fold of meninges on the dorsal midline between the two cerebral hemispheres.
The dog was brought in to the Ophthalmology Department following an acute onset of blindness. Ocular examination revealed no obvious cause for the blindness.
This month’s case is a 5yr MC Labradoodle that was presented to our ER Department for rapidly progressive weakness. He became weak earlier that afternoon. While the owner was outside raking leaves, he laid down and was then unable to stand/walk on his pelvic limbs.
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A 9yr MC DSH cat was presented to the ER Department following a sudden onset of episodes characterized by meowing incessantly, curling up into a ball to his right, and circling to the right at times
This month’s case is a 4-month-old Beagle with a 2-week progressive history of mental dullness, circling to the left, and lethargy.
This month’s case is a 6-year-old Chesapeake Bay Retriever that was presented for evaluation of a 3-day history of difficulty eating and being a sloppy eater.
A 7yr MC Pug was presented for evaluation of a 5-day history of ataxia on all 4 legs. There was a sudden onset of clinical signs that were not progressive.
The dog was brought in to the Emergency Department for evaluation following a sudden onset of left thoracic limb lameness and apparent pain after jumping off a bed.
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