ISSN 2398-2977      

Mandible: mandibulectomy

pequis

Introduction

  • Mandibulectomy is tolerated remarkably well with patients demonstrating minimal post-operative discomfort or loss of function.
  • Cosmetic outcome also favorable.

Uses

  • Neoplasia   Teeth: tumors  , eg adamantinoma, lymphoma, squamous cell carcioma, ameloblastoma, undifferentiated sarcoma, osteosarcoma, ossifying fibroma.
  • Fungal, parasitic or extensive bacterial infections.

Advantages

  • Complete excision with wide margins provides the best opportunity to resolve neoplasia and minimize recurrence.

Disadvantages

  • Technically demanding surgery.
  • High risk of complications.
  • Flaccidity of the lower lip may occur with rostral mandibular resection.
  • Horses may have difficulty with prehension of short grass.
  • Protrusion of the tongue may occur.

Requirements

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Preparation

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Procedure

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Aftercare

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Outcomes

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Prognosis

  • Recurrence determined by the adequacy of margins of excision.
  • Should have adequate cosmesis.
  • May have flaccid lower lip.
  • Can prehend food although tongue may protrude.

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Mendez-Angulo J L, Tatarniuk D M, Ruiz I & Ernst N (2014) Extensive rostral mandibulectomy for treatment of ameloblastoma in a horse. Vet Surg 43 (2), 222-226 PubMed.
  • Minghella E & Auckburally A (2014) A preventive multimodal analgesic strategy for bilateral rostral mandibulectomy in a horse. Equine Vet Educ 26 (2), 66-71 VetMedResource.
  • Carmalt J L & Linn K A (2013) Large segmental mandibulectomy for treatment of an undifferentiated sarcoma in a horse. Vet Surg 42 (4), 433-439 PubMed.

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