Computed tomography and magnetic resonance imaging of thoracic chordoma in a          Bengal tiger (Panthera tigris tigris)

Toshie ISERI; Junichiro SHIMIZU; Hideo AKIYOSHI; Kayo KUSUDA; Akiyoshi HAYASHI; Keiichiro MIE; Takeshi IZAWA; Mitsuru KUWAMURA; Jyoji YAMATE; Yuka FUJIMOTO; Fumihito OHASHI

doi:10.1292/jvms.14-0694

Surgery

Computed tomography and magnetic resonance imaging of thoracic chordoma in a Bengal tiger (Panthera tigris tigris)

Toshie ISERI, Junichiro SHIMIZU, Hideo AKIYOSHI, Kayo KUSUDA, Akiyoshi HAYASHI, Keiichiro MIE, Takeshi IZAWA, Mitsuru KUWAMURA, Jyoji YAMATE, Yuka FUJIMOTO, Fumihito OHASHI

Author information

Toshie ISERI
Department of Veterinary Science, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677–1 Yoshida, Yamaguchi 753–8515, Japan
Junichiro SHIMIZU
Uni Animal Hospital, 32–5 W17N1, Obihiro, Hokkaido 080–0047, Japan
Hideo AKIYOSHI
Graduate School of Life and Environmental Sciences, Department of Veterinary Sciences, Osaka Prefecture University, 1–58 Rinku-oraikita, Izumisano, Osaka 598–8531, Japan
Kayo KUSUDA
Misaki Park Zoo, 3990 Tannowa, Misaki-cho, Osaka 599–0301, Japan
Akiyoshi HAYASHI
Graduate School of Life and Environmental Sciences, Department of Veterinary Sciences, Osaka Prefecture University, 1–58 Rinku-oraikita, Izumisano, Osaka 598–8531, Japan
Keiichiro MIE
Graduate School of Life and Environmental Sciences, Department of Veterinary Sciences, Osaka Prefecture University, 1–58 Rinku-oraikita, Izumisano, Osaka 598–8531, Japan
Takeshi IZAWA
Graduate School of Life and Environmental Sciences, Department of Veterinary Sciences, Osaka Prefecture University, 1–58 Rinku-oraikita, Izumisano, Osaka 598–8531, Japan
Mitsuru KUWAMURA
Graduate School of Life and Environmental Sciences, Department of Veterinary Sciences, Osaka Prefecture University, 1–58 Rinku-oraikita, Izumisano, Osaka 598–8531, Japan
Jyoji YAMATE
Graduate School of Life and Environmental Sciences, Department of Veterinary Sciences, Osaka Prefecture University, 1–58 Rinku-oraikita, Izumisano, Osaka 598–8531, Japan
Yuka FUJIMOTO
Graduate School of Life and Environmental Sciences, Department of Veterinary Sciences, Osaka Prefecture University, 1–58 Rinku-oraikita, Izumisano, Osaka 598–8531, Japan
Fumihito OHASHI
Graduate School of Life and Environmental Sciences, Department of Veterinary Sciences, Osaka Prefecture University, 1–58 Rinku-oraikita, Izumisano, Osaka 598–8531, Japan

Keywords: chordoma, computed tomography, magnetic resonance imaging, tiger

JOURNAL FREE ACCESS

2015 Volume 77 Issue 7 Pages 857-860

DOI https://doi.org/10.1292/jvms.14-0694

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Abstract

A Bengal tiger was presented for evaluation of weakness, ataxia and inappetance. Computed tomography (CT) and magnetic resonance imaging (MRI) revealed a mass extending from the T7-8 vertebral body to the left rib and compressing the spinal cord. On CT, the bone destruction and sequestrum were shown. On MRI, the multilobulated mass appeared hypo- to isointense in T1-weighted and hyperintense in T2-weighted images. The tiger died after imaging, most likely from renal failure. Chordoma without metastasis was diagnosed on necropsy. The imaging characteristics were similar to those found in chordoma in humans. This report describes the use of CT and MRI in an exotic species.

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