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1 December 2010 Embryonal Rhabdomyosarcoma in a Rothschild's Giraffe (Giraffa camelopardalis rothschildi)
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Abstract

A 3-yr-old male Rothschild's giraffe (Giraffa camelopardalis rothschildi) presented for acute swelling caudomedial to the left parietal horn. Following initial diagnostics and supportive treatment, the mass was surgically resected and intralesional chemotherapy was administered. Despite treatment, the giraffe's condition worsened and euthanasia was performed. Gross necropsy revealed neoplastic invasion and destruction of underlying parietal bone, adjacent horn base, and sinuses, and metastases in the tracheobronchial and mandibular lymph nodes and lung. Histologically, the tumor was composed of packets of anaplastic round cells. Immunohistochemical studies further characterized the tumor as an embryonal rhabdomyosarcoma. This is the first reported case of rhabdomyosarcoma in a giraffe.

Margarita Woc-Colburn, Suzan Murray, Nancy Boedeker, Tabitha Viner, Michelle L. Fleetwood, Tony C. Barthel, Kurt D. Newman, and Carlos R. Sanchez "Embryonal Rhabdomyosarcoma in a Rothschild's Giraffe (Giraffa camelopardalis rothschildi)," Journal of Zoo and Wildlife Medicine 41(4), 717-720, (1 December 2010). https://doi.org/10.1638/2009-0195.1
Received: 26 September 2009; Published: 1 December 2010
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