Cover Journal of the American Veterinary Medical Association
Journal of the American Veterinary Medical Association
ISSN:
0003-1488
Publication Date:
01 Jun 2011
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Osteoma of the oral and maxillofacial regions in cats: 7 cases (1999–2009)

Nadine Fiani BVSc1, Boaz Arzi DVM2, Eric G. Johnson DVM, DACVR3, Brian Murphy DVM, PhD, DACVP4, and Frank J. M. Verstraete DrMeDVeT, MMeDVeT, DAVDC5
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  • 1 William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616.
  • | 2 William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616.
  • | 3 Departments of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616.
  • | 4 Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616.
  • | 5 Departments of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616.
DOI:
https://doi.org/10.2460/javma.238.11.1470
Volume/Issue:
Volume 238: Issue 11
Online Publication Date:
01 Jun 2011
Restricted access
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Abstract

Objective—To describe clinical features of oral and maxillofacial osteomas in cats.

Design—Retrospective case series.

Animals—7 cats with oral or maxillofacial osteoma or both.

Procedures—Medical records were reviewed for information on signalment, history, clinical signs, physical examination findings, diagnostic imaging findings, results of serum biochemical analyses and histologic testing, surgical procedures performed, and perioperative complications. Outcome was determined on the basis of follow-up telephone interviews of owners.

Results—Cats ranged from 1 to 23 years of age. Clinical signs were observed in 5 cats and were attributed to the presence of the mass. Diagnostic imaging (radiography and computed tomography) and histologic examination confirmed the diagnosis of osteoma. Three cats were euthanatized; 1 cat was treated by mandibulectomy, 1 was treated by maxillectomy, and 2 were treated by debulking. At the time of follow-up at least 1 year after surgery, all 4 treated cats were alive, with owners reporting an acceptable quality of life.

Conclusions and Clinical Relevance—Osteoma of the oral and maxillofacial regions is an uncommon tumor in cats. Most cats are examined during an advanced stage of the disease, when treatment options may be limited. Although osteoma is a benign tumor, the recommendation is to perform a clinical evaluation, diagnostic imaging, biopsy, and treatment early in the disease process, when less invasive surgical approaches may be feasible.

Abstract

Objective—To describe clinical features of oral and maxillofacial osteomas in cats.

Design—Retrospective case series.

Animals—7 cats with oral or maxillofacial osteoma or both.

Procedures—Medical records were reviewed for information on signalment, history, clinical signs, physical examination findings, diagnostic imaging findings, results of serum biochemical analyses and histologic testing, surgical procedures performed, and perioperative complications. Outcome was determined on the basis of follow-up telephone interviews of owners.

Results—Cats ranged from 1 to 23 years of age. Clinical signs were observed in 5 cats and were attributed to the presence of the mass. Diagnostic imaging (radiography and computed tomography) and histologic examination confirmed the diagnosis of osteoma. Three cats were euthanatized; 1 cat was treated by mandibulectomy, 1 was treated by maxillectomy, and 2 were treated by debulking. At the time of follow-up at least 1 year after surgery, all 4 treated cats were alive, with owners reporting an acceptable quality of life.

Conclusions and Clinical Relevance—Osteoma of the oral and maxillofacial regions is an uncommon tumor in cats. Most cats are examined during an advanced stage of the disease, when treatment options may be limited. Although osteoma is a benign tumor, the recommendation is to perform a clinical evaluation, diagnostic imaging, biopsy, and treatment early in the disease process, when less invasive surgical approaches may be feasible.

Contributor Notes

Address correspondence to Dr. Verstraete (fjverstraete@ucdavis.edu).