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Vet Comp Orthop Traumatol 2015; 28(06): 455-458
DOI: 10.3415/VCOT-15-01-0010
Case Report
Schattauer GmbH

False ankylosis of the temporomandibular joint in a cat

Correction by partial zygomatic arch resection
L. Larguier
1   Clinique Vétérinaire Benjamin Franklin, Brech, France
,
N. Jamet
1   Clinique Vétérinaire Benjamin Franklin, Brech, France
› Author Affiliations
Further Information

Publication History

Received:12 January 2015

Accepted:21 June 2015

Publication Date:
23 December 2017 (online)

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Summary

Objective: To describe the use of two- dimensional computer-assisted tomography (CT) with three-dimensional (3D) reconstruction in the diagnosis and planning of surgical treatment of a case of false ankylosis of the temporomandibular joint.

Case report: A young European Shorthaired cat was presented with the complaint of inability to eat and open its jaws. A CT scan with 3D reconstruction allowed visualization of the lesion which was causing extra- articular ankylosis of the temporomandibular joint. Surgery was performed to resect an osseous lesion of the zygomatic arch, thus freeing the temporomandibular joint. Postoperative physical therapy was initiated immediately following surgery, and then carried out by the owner with a one year follow-up. Clinical examination of the cat was performed during regular office visits (at 1 month and 3 months following surgery), which allowed objective assessment of postoperative recuperation. At the end of a year, the owners reported that the cat had maintained sufficient jaw opening without any signs consistent with chronic pain.

Conclusion: Computed tomography scan with 3D reconstruction allowed planning of the surgical correction of extra-articular ankylosis of the temporomandibular joint, and in this case condylectomy was avoided, since temporomandibular joint range-of-motion was maintained.

Keywords

Temporomandibular joint - 3D CT imaging - three-dimensional computer tomography - cat - ankylosis
 

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