Page 697 - Equine Clinical Medicine, Surgery and Reproduction, 2nd Edition

672 CHAPTER 3

VetBooks.ir 3.132 Removal of a section of the stylohyoid has been
used, but now resection of the ceratohyoid is rec-
ommended (Fig. 3.132). The bone is removed in
its entirety, leaving cartilage ends behind, hence
reducing the prospect of bony re-union. The tech-
nique can be conducted in the standing sedated
horse.

Prognosis
The prognosis following ceratohyoidectomy is good.
The majority of horses make a rapid and full recov-
ery and are able to resume full exercise. The prog-
Fig. 3.132 The resected ceratohyoid bone (arrow) nosis is more guarded following stylohyoidotomy, as
and the hypoglossal nerve (arrowhead). repair of the bone and recurrence of clinical signs
can occur.

Radiography may be of benefit when fractures of FURTHER READING
the stylohyoid bone can be observed and dorsoven- Auer JA, Stick JA (2018) (eds) Equine Surgery, 5th edn.
tral views can reveal sclerosis of the petrous tempo- Saunders, USA.
ral bone relative to the contralateral side. Many cases Hawkins J (2015) Advances in Equine Upper Respiratory
show no radiographic abnormalities. In the majority Surgery, 1st edn. Wiley-Blackwell, Chichester.
of cases scintigraphy may reveal an increased uptake Kimberlin L, zur Linden A, Rudf L (2016) Atlas of Clinical
of radioisotope in the region of the temporohyoid Imaging and Anatomy of the Equine Head, 1st edn.
articulation on dorsal views of the head. Wiley-Blackwell, Chichester.
McGorum BC, Dixon PM, Robinson NE, Schumacher J
Management (2007) (eds) Equine Respiratory Medicine and Surgery.
Saunders Elsevier, Edinburgh.
Antibiotic treatment can be sufficient in some cases, Parente EJ (2018) Upper airway conditions affecting
but the clinical signs frequently recur. Surgery the equine athlete. Vet Clin North Am Equine Pract
is recommended in the majority of cases and is 34(2):427–441.
designed to reduce the movement, and hence pain, Reuss SM, Berkley Chesen A (2015) Respiratory medicine
emanating from the temporohyoid articulation. and surgery. Vet Clin North Am Equine Pract 31(1): 1–232.