Magnetic resonance imaging features of a benign peripheral nerve sheath tumour with ‘ancient’ changes in the tongue of a horse

Schneider, Adrienne Christina; Tessier, Caroline; Gorgas, Daniela; Kircher, Patrick R.; Mamani, Javier Bustamante; Miclard, Julien

doi:10.1111/j.2042-3292.2010.00088.x

Cited by 16 publications

(14 citation statements)

References 13 publications

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“…These findings indicated that, although CT has been reported to be the gold standard imaging technique for evaluation of dental disease, [22][23][24] dental changes can also be evaluated using MRI. 21 Previously reported lesions involving the soft tissues of the head on MRI include laryngeal dysplasia, 65 a laryngeal tumor, 66 a pharyngeal tumor, 67 a lingual tumor, 68 an ocular tumor, 69 and a foreign body. 70 Extracranial soft tissue disorders of the head are relatively common, and they usually involve the tongue, salivary glands, lymph nodes, larynx, pharynx, and orbit.…”

Section: Discussionmentioning

confidence: 99%

Magnetic Resonance Imaging Characteristics of Equine Head Disorders: 84 Cases (2000–2013)

Manso‐Díaz

Dyson

Dennis

et al. 2014

Vet Radiology Ultrasound

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The equine head is an anatomically complex area, therefore advanced tomographic imaging techniques, such as computed tomography or magnetic resonance imaging (MRI), are often required for diagnosis and treatment planning. The purpose of this multicenter retrospective study was to describe MRI characteristics for a large sample of horses with head disorders. Horses imaged over a period of 13 years were recruited. Eighty-four horses met the inclusion criteria, having neurological (n = 65), sinonasal (n = 14), and soft tissue (n = 5) disorders. Magnetic resonance imaging accurately depicted the anatomy and allowed identification of the primary lesion and associated changes. There were good correlations between MRI findings and intraoperative or postmortem results. Magnetic resonance imaging showed the exact localization of the lesions, their size, and relation to surrounding structures. However, in the neurological group, there were 45 horses with no MRI abnormalities, 29 of which had a history of recurrent seizures, related to cryptogenic epilepsy. Magnetic resonance imaging was otherwise a valuable diagnostic tool, and can be used for studying a broad range of head disorders using either low-field or high-field magnets.

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Section: Discussionmentioning

confidence: 99%

Magnetic Resonance Imaging Characteristics of Equine Head Disorders: 84 Cases (2000–2013)

Manso‐Díaz

Dyson

Dennis

et al. 2014

Vet Radiology Ultrasound

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“…Indeed, horses with cranial nerve deficits are considerably more likely to have abnormal CT findings than similar horses without cranial nerve deficits (Sogaro-Robinson et al 2009). MRI might serve a more appropriate clinical use in the case with possible central or peripheral neuropathy, chronic trauma cases, or in horses with suspected neoplasia or immune mediated disease, as the greater degree of soft tissue detail might justify the general anaesthetic (Audigi e et al 2004;Dyson et al 2007;Bischofberger et al 2008;Schneider et al 2010;De Zani et al 2013;Holmes 2014;Manso-D ıaz et al 2014).…”

Section: Discussionmentioning

confidence: 99%

Clinical application of multidetector computed tomography and magnetic resonance imaging for evaluation of cranial nerves in horses in comparison with high resolution imaging standards

Dixon

Lam

Weller

et al. 2016

Equine Veterinary Education

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Summary Although horses are affected by cranial nerve disease, our understanding of these structures' imaging anatomy is limited, and the optimal modality for imaging of each of these nerves is unclear. The aim of this study was to describe the imaging appearance of the equine cranial nerves on high‐resolution 1.5T magnetic resonance imaging (MRI) and computed tomography (CT) scans of a cadaver head, and with these as standards, examine the utility of MRI and CT performed in clinical cases. High‐resolution MRI and CT images were prospectively acquired of the head of a normal Thoroughbred gelding following euthanasia. Ten clinical cases undergoing high‐field MRI under general anaesthesia and 10 clinical cases undergoing CT in the standing horse under sedation were retrospectively evaluated by three reviewers to assess cranial nerve visibility. On high‐resolution, thin‐slice, MRI scans of the normal cadaver head, each of the 12 cranial nerves and their topographic location could be appreciated. On high‐resolution cadaver CT, cranial nerves II, V and VII were clearly visible, but others were less easily identified; osseous structures were clearly visualised. Clinical MRI and CT allowed for variable visualisation of the cranial nerves, dependent on the sequence and the orientation of scan planes. High‐field MRI allowed excellent visualisation of equine cranial nerves, whereas CT allowed for more detailed visualisation of the osseous canals and foramina. In live horses, the ability to identify all 12 nerves is challenging with either MRI or CT; however, high‐field MRI enables better visualisation of the nerve bundles than CT.

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“…However, they have been described in various other locations such as the head (Schneider et al . ; Kegler et al . ), the perianal region (Sturgeon et al .…”

Section: Introductionmentioning

confidence: 99%

“…To the author's knowledge PNSTs have never been reported in the paranasal sinus region of a horse. However, they have been described in various other locations such as the head (Schneider et al 2010;Kegler et al 2014), the perianal region (Sturgeon et al 2008), the skin (Schoniger et al 2011), the gastrointestinal tract (Pascoe 1982;Kirchhof et al 1996), the heart (Quinn et al 2005) and the paravertebral region (Nikolaou et al 2012).…”

Section: Introductionmentioning

confidence: 99%

Peripheral nerve sheath tumour of the equine maxillary sinus

Federici

Chicca

Rütten

et al. 2015

Equine Veterinary Education

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Summary This case report describes an 8‐year‐old Belgian Warmblood mare that was initially diagnosed and treated for a dental sinusitis. Despite removal of the diseased teeth and appropriate treatment, the sinusitis did not resolve. Over time, growth of a peripheral nerve sheath tumour of the left maxillary sinus became apparent, with recurrence after surgical removal. The clinical, radiographic, computed tomography, magnetic resonance imaging and pathological (gross and histological) findings of the first reported peripheral nerve sheath tumour of the equine paranasal region are described and illustrated.

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Magnetic resonance imaging features of a benign peripheral nerve sheath tumour with ‘ancient’ changes in the tongue of a horse

Cited by 16 publications

References 13 publications

Magnetic Resonance Imaging Characteristics of Equine Head Disorders: 84 Cases (2000–2013)

Magnetic Resonance Imaging Characteristics of Equine Head Disorders: 84 Cases (2000–2013)

Clinical application of multidetector computed tomography and magnetic resonance imaging for evaluation of cranial nerves in horses in comparison with high resolution imaging standards

Peripheral nerve sheath tumour of the equine maxillary sinus

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