Limb sparing achieved by ray amputation for osteosarcoma of the left third metacarpal bone in a Labrador

Jon Hall, Sarah L Mason

Research output: Contribution to journalArticlepeer-review

Abstract

A seven year old male neutered Labrador weighing 35kg with a two week
history of left forelimb lameness was diagnosed with osteosarcoma of the
third metacarpal bone. No pulmonary metastases were detected and ray
amputation (removal of the left third metacarpal bone and 3rd phalanx enbloc)
was performed. Circumferential sutures were placed around
metacarpals 2 and 4 to realign the adjacent bones and digits during the
healing period. The dog received 6 cycles of single agent carboplatin
(300mg/m2) postoperatively. Restaging 9 months postoperatively revealed
no evidence of metastasis or recurrence. Two years postoperatively, the
dog has no evidence of complications or lameness. Thoracic limb
amputation and postoperative adjunctive therapy are considered the gold
standard treatment for appendicular osteosarcoma; however, an
oncological compartment excision of the this bone tumour was performed
with similar outcome for the patient whilst preserving the limb.
Original languageEnglish
Journal Vet Record Case Reports
DOIs
Publication statusPublished - 1 Feb 2019

Keywords

  • Neoplasia
  • Dog
  • Osteosarcoma
  • Limb sparing
  • Metacarpal
  • Chemotherapy

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