Case Report

Rhabdomyosarcoma in a terrestrial tortoise (Geochelone nigra) in Nigeria: A case report

Oghenemega D. Eyarefe, Richard E. Antia, Cecilia O. Oguntoye, Olusoji O. Abiola, Olugbenga O. Alaka, John O. Ogunsola
Journal of the South African Veterinary Association | Vol 83, No 1 | a300 | DOI: https://doi.org/10.4102/jsava.v83i1.300 | © 2012 Oghenemega D. Eyarefe, Richard E. Antia, Cecilia O. Oguntoye, Olusoji O. Abiola, Olugbenga O. Alaka, John O. Ogunsola | This work is licensed under CC Attribution 4.0
Submitted: 04 June 2012 | Published: 30 November 2012

About the author(s)

Oghenemega D. Eyarefe, Department of Veterinary Surgery and Reproduction, University of Ibadan, Nigeria
Richard E. Antia, Department of Veterinary Pathology, University of Ibadan, Nigeria
Cecilia O. Oguntoye, Department of Veterinary Surgery and Reproduction, University of Ibadan, Nigeria
Olusoji O. Abiola, Department of Veterinary Medicine, University of Ibadan, Nigeria
Olugbenga O. Alaka, Department of Veterinary Pathology, University of Ibadan, Nigeria
John O. Ogunsola, Department of Veterinary Pathology, University of Ibadan, Nigeria


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Abstract

A skeletal muscle tumour (rhabdomysarcoma) was diagnosed in a 4-year-old captive female terrestrial tortoise (Geochelone nigra) weighing 7 kg presented at the Veterinary Teaching Hospital, University of Ibadan, Ibadan, Nigeria. The tumour was located at the anterior right portion of the body and ventral to the carapace. The location of the tumour prevented the tortoise from extending its head from the body. The tumour was a sessile, smooth white mass, with a soft myxomatous consistency. The histological features that were diagnostic of rhabdomyosarcoma included a sparse population of haphazardly arranged spindle-shaped cells within a homogenous matrix (anisocytosis), occasional tumour giant and binucleate cells, and some well differentiated myofibrils with cross striations within the cytoplasm. The paucity of information on tumours in the land tortoise was the reason for this report, which appears to be the first report of rhabdomyosarcoma in the tortoise.

Keywords

Tortoise; tumour; rhabdomysarcoma

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