Cervical porcupine quill foreign body involving the spinal cord of a dog: A description of various imaging modality findings

Journal of the South African Veterinary Association

 
 
Field Value
 
Title Cervical porcupine quill foreign body involving the spinal cord of a dog: A description of various imaging modality findings
 
Creator le Roux, Christelle Venter, Frans J. Kirberger, Robert M.
 
Subject veterinary science cervical spine; computed tomography; Hystrix; magnetic resonance imaging; porcupine quill; ultrasound
Description Although porcupine quill injuries are common in dogs, the detailed appearance of the quill on diagnostic ultrasound, computed tomography, and magnetic resonance imaging has not been sufficiently described. A 4-year-old, intact, female Jack Russel terrier presented with severe neck pain and ataxia after an altercation with a porcupine 2 weeks earlier. Radiology, diagnostic ultrasound, computed tomography and magnetic resonance imaging were all utilised to identify a quill imbedded in the cervical vertebral canal and cervical musculature and were compared to each other. Surgical removal of the quill, guided by imaging findings, led to the resolution of the clinical signs in the patient. Previous ultrasound imaging reports have just stated that the quill consists of paralell hyperechoic lines, and do not mention the finer hyperechoic lines inbetween and do not try to provide a reason for the appearance. Previous computed tomography (CT) reports just mention identifying the quill on CT images (whether or not CT could identify the fragments), but do not go into detail about the attenuating appearance of the quill nor try to relate this to the composition of the quill. This is to the authors’ knowledge the first report with detailed imaging descriptions of a case of cranial cervical vertebral canal porcupine quill foreign body in a dog. This is also the first report to allude to a possible difference in imaging findings related to quill structure because of keratin orientation and melanin content. The ideal imaging modality to use remains elusive, but ultrasound, computed tomography and magnetic resonance imaging could all identify the quill.
 
Publisher AOSIS
 
Contributor None
Date 2017-12-08
 
Type info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion — —
Format text/html application/epub+zip text/xml application/pdf
Identifier 10.4102/jsava.v88i0.1549
 
Source Journal of the South African Veterinary Association; Vol 88 (2017); 7 pages 2224-9435 1019-9128
 
Language eng
 
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https://jsava.co.za/index.php/jsava/article/view/1549/2025 https://jsava.co.za/index.php/jsava/article/view/1549/2024 https://jsava.co.za/index.php/jsava/article/view/1549/2026 https://jsava.co.za/index.php/jsava/article/view/1549/2017
 
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Rights Copyright (c) 2017 Christelle le Roux, Frans J. Venter, Robert M. Kirberger https://creativecommons.org/licenses/by/4.0
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