title: Extensive rostral mandibulectomy for treatment of ameloblastoma in a horse.
abstract: OBJECTIVE
  To report long-term outcome in a mare that had extensive rostral mandibulectomy to remove an ameloblastoma.
  
  
  METHODS
  Clinical report.
  
  
  METHODS
  A 21-year-old mare.
  
  
  METHODS
  An ameloblastoma, located in the rostral aspect of the mandible, was removed by complete en-bloc resection of the tumor, removing most of the mandibular symphysis.
  
  
  RESULTS
  The day after surgery, the remaining mandibular symphysis (<5 mm) fractured causing marked instability of the hemi-mandibles. Partial wound dehiscence occurred 5 days after surgery; however, the mare was able to eat well and the incision healed within 2 weeks. At 18 months, there was bony fusion of the hemi-mandibles and mild protrusion of the tongue.
  
  
  CONCLUSIONS
  Extensive rostral mandibulectomy (up to the caudal edge of the mandibular symphysis) can apparently be performed in a horse without internal or external stabilization, and yield a cosmetic and functional outcome.
authors.affiliation: Veterinary Population Medicine Department, University of Minnesota, St. Paul, Minnesota.
authors.forename: Jose L
authors.initials: JL
authors.lastname: Mendez-Angulo
authors.forename: Dane M
authors.initials: DM
authors.lastname: Tatarniuk
authors.forename: Indalecio
authors.initials: I
authors.lastname: Ruiz
authors.forename: Nicolas
authors.initials: N
authors.lastname: Ernst
mesh_terms: D000564:Ameloblastoma / Q000601:surgery / Q000662:veterinary*; D000818:Animals; D005260:Female; D006734:Horse Diseases / Q000601:surgery*; D006736:Horses; D008339:Mandibular Neoplasms / Q000601:surgery / Q000662:veterinary*; D063175:Mandibular Reconstruction / Q000662:veterinary*