Thu 24 April 2014

Osteosarcoma at the site of titanium orthopaedic implants in a dog.

Dunn A, Buffa E, Hanshaw D, Farrell M. Adelaide Veterinary Specialist and Referral Centre, 102 Magill Rd, Norwood, South Australia 5067, Australia; Small Animal Specialist Hospital, North Ryde, New South Wales, Australia GribblesVetLab, Glenside, South Australia Aust Vet J 2012 Jan 90 1-2 39-43
An Alaskan Malamute underwent unilateral tibial tuberosity advancement (TTA) surgery to stabilise a stifle joint with a deficient cranial cruciate ligament. The dog made an excellent recovery with no postoperative complications, until 20 months post-surgery when he presented with acute onset ipsilateral pelvic limb lameness. Osteosarcoma (OSA) was diagnosed adjacent to the titanium implants. Currently, there is a paucity of information on the epidemiology of OSA adjacent to orthopaedic implants in canine patients. The clinical, radiological and pathological findings of this case of periprosthetic OSA, and a potential causal relationship between titanium implants and bone neoplasia, are discussed.

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