A North Island brown kiwi (Apteryx mantelli) with lameness and weight loss had a telangiectatic osteosarcoma. The left proximal tibiotarsus had bony lysis with multiple blood-filled spaces separated by thick fibrous septa and neoplastic mesenchymal cells producing osteoid (5-bromo-4-chloro-3′-indolyl phosphate/nitro blue tetrazolium positive on cytology). No metastases were noted on necropsy.
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30 November 2022
Telangiectatic Osteosarcoma of the Tibiotarsus in a North Island Brown Kiwi (Apteryx mantelli)
Richelle G. Butcher,
Megan Jolly,
Keren E. Dittmer,
Stuart Hunter
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Journal of Wildlife Diseases
Vol. 58 • No. 4
October 2022
Vol. 58 • No. 4
October 2022