Imaging diagnosis–nasal septal and laryngeal cyst-like malformationsin a Thoroughbred weanling colt diagnosed using ultrasonography and magnetic resonance imaging.
Abstract: A foal was examined for abnormal upper airway noise. Endoscopically, there were narrowed nasal passages and an extralumenal mass of the cranial trachea. Using ultrasonography and magnetic resonance (MR) imaging of the larynx and cranial cervical trachea, irregular margins of the laryngeal cartilages and first tracheal ring containing areas consistent with fluid were identified. In MR images, a widened nasal septum was seen that contained material consistent with fluid. Postmortem examination confirmed the diagnosis of nasal septal, laryngeal, and cranial cervical tracheal cyst-like lesions. This is a unique congenital condition, in which premortem imaging was instrumental in defining the abnormalities.
Publication Date: 2010-10-27 PubMed ID: 20973382DOI: 10.1111/j.1740-8261.2010.01703.xGoogle Scholar: Lookup
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Summary
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The research discusses a unique congenital condition in a Thoroughbred weanling colt, identified using ultrasonography and magnetic resonance imaging, characterized by unusual cyst-like malformations in the nasal septum, larynx, and cranial cervical trachea.
Background Overview
- The study investigates a Thoroughbred weanling colt (a baby male horse) who was examined due to abnormal upper airway noises. The noises were suggestive of an underlying condition, which prompted further investigation.
- An endoscopic examination showed narrowed nasal passages and an extra-lumenal mass in the cranial trachea, offering initial indications of an anomaly.
Diagnostic Techniques
- To better identify the issue, the researchers used ultrasonography and magnetic resonance (MR) imaging – both non-invasive imaging techniques that provide detailed pictures of the internal structures of the body.
- The larynx (voice box) and the cranial cervical trachea (a part of the horse’s respiratory tract) were subjected to this imaging study.
Findings
- The imaging revealed irregular margins of the laryngeal cartilages and first tracheal ring, which contained areas consistent with fluid. This indicated the presence of unusual, cyst-like formations.
- Furthermore, the MR images showed a widened nasal septum containing material consistent with fluid, suggesting similar malformations there as well.
Confirmation of Findings
- The study confirmed the presence of these abnormalities postmortem – that is, after the death of the animal. These findings aligned with the anomalies detected during the premortem imaging.
- It confirmed the diagnosis of nasal septal, cranial cervical tracheal, and laryngeal cyst-like lesions.
Significance
- This condition is unique – not commonly reported or studied in literature – making the findings of this case report significant.
- Premortem imaging (done before death) played a critical role in identifying and understanding these abnormalities, asserting its value in similar veterinary cases.
- The case study may contribute to improved understanding, early detection, and perhaps new treatment methodologies for similar conditions in future.
Cite This Article
APA
Garrett KS, Woodie JB, Cook JL, Williams NM.
(2010).
Imaging diagnosis–nasal septal and laryngeal cyst-like malformationsin a Thoroughbred weanling colt diagnosed using ultrasonography and magnetic resonance imaging.
Vet Radiol Ultrasound, 51(5), 504-507.
https://doi.org/10.1111/j.1740-8261.2010.01703.x Publication
Researcher Affiliations
- Department of Diagnostic Imaging, Rood and Riddle Equine Hospital, PO Box 12070, Lexington, KY 40580, USA. kgarrett@roodandriddle.com
MeSH Terms
- Animals
- Euthanasia
- Horse Diseases / diagnostic imaging
- Horse Diseases / pathology
- Horses
- Laryngeal Diseases / diagnostic imaging
- Laryngeal Diseases / pathology
- Laryngeal Diseases / veterinary
- Larynx / diagnostic imaging
- Larynx / pathology
- Magnetic Resonance Imaging / methods
- Nasal Septum / abnormalities
- Nasal Septum / diagnostic imaging
- Nasal Septum / pathology
- Ultrasonography
Citations
This article has been cited 2 times.- Kozłowska N, Wierzbicka M, Jasiński T, Domino M. Advances in the Diagnosis of Equine Respiratory Diseases: A Review of Novel Imaging and Functional Techniques.. Animals (Basel) 2022 Feb 4;12(3).
- Kaminsky J, Bienert-Zeit A, Hellige M, Rohn K, Ohnesorge B. Comparison of image quality and in vivo appearance of the normal equine nasal cavities and paranasal sinuses in computed tomography and high field (3.0 T) magnetic resonance imaging.. BMC Vet Res 2016 Jan 19;12:13.
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