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

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...

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Bibliographic Details
Published in:Journal of Veterinary Medical Science 2015, Vol.77(7), pp.857-860
Main Authors: ISERI, Toshie, SHIMIZU, Junichiro, AKIYOSHI, Hideo, KUSUDA, Kayo, HAYASHI, Akiyoshi, MIE, Keiichiro, IZAWA, Takeshi, KUWAMURA, Mitsuru, YAMATE, Jyoji, FUJIMOTO, Yuka, OHASHI, Fumihito
Format: Article
Language:English
Subjects:
Animals
chordoma
Chordoma - diagnosis
Chordoma - pathology
Chordoma - veterinary
computed tomography
Female
magnetic resonance imaging
Magnetic Resonance Imaging - veterinary
Panthera tigris tigris
Surgery
Thoracic Neoplasms - diagnosis
Thoracic Neoplasms - pathology
Thoracic Neoplasms - veterinary
tiger
Tigers - anatomy & histology
Tomography, X-Ray Computed - veterinary
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Summary: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.
ISSN:0916-7250
1347-7439
DOI:10.1292/jvms.14-0694