Extensive Rostral Mandibulectomy for Treatment of Ameloblastoma in a Horse

Jose L. Mendez-Angulo, Dane M. Tatarniuk, Indalecio Ruiz, Nicolas Ernst

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Objective: To report long-term outcome in a mare that had extensive rostral mandibulectomy to remove an ameloblastoma. Study Design: Clinical report. Animals: 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 (<5mm) 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. Conclusion: 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.

Original languageEnglish (US)
Pages (from-to)222-226
Number of pages5
JournalVeterinary Surgery
Issue number2
StatePublished - Feb 2014


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