Piglet sign (osmotic demyelination)
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The piglet sign is seen in central pontine myelinosismyelinolysis. It refers to appearance of upper pons in axial T2 and FLAIR images. If the areas of demyelination coalesce, axial MR images resemble the face of a piglet with the temporal lobes representing ears, the carotid arteries representing the eyes, the area of central pontine myelinosis representing snout and the fourth ventricle as the mouth 1.
-<p>The piglet sign is seen in central pontine myelinosis. It refers to appearance of upper pons in axial T2 and FLAIR images. If the areas of demyelination coalesce, axial MR images resemble the face of a piglet with the temporal lobes representing ears, the carotid arteries representing the eyes, the area of central pontine myelinosis representing snout and the fourth ventricle as the mouth <sup>1</sup>.</p>- +<p>The piglet sign is seen in <a href="/articles/central-pontine-myelinolysis-2">central pontine myelinolysis</a>. It refers to appearance of upper pons in axial T2 and FLAIR images. If the areas of demyelination coalesce, axial MR images resemble the face of a piglet with the temporal lobes representing ears, the carotid arteries representing the eyes, the area of central pontine myelinosis representing snout and the fourth ventricle as the mouth <sup>1</sup>.</p>
References changed:
- 1. Judith Wagner, Stefanie Mueller-Schunk, Christoph Schankin. The Piglet Sign: MRI Findings in Central Pontine Myelinolysis. (2016) Clinical Neuroradiology. 18 (3): 191. <a href="https://doi.org/10.1007/s00062-008-8025-5">doi:10.1007/s00062-008-8025-5</a>
- 1. Judith Wagner, Stefanie Mueller-Schunk, Christoph Schankin. The Piglet Sign: MRI Findings in Central Pontine Myelinolysis. (2016) Clinical Neuroradiology. 18 (3): 191. <a href="https://doi.org/10.1007/s00062-008-8025-5">doi:10.1007/s00062-008-8025-5</a>
- 1.Judith Wagner, Stefanie Mueller-Schunk, Christoph Schankin. The Piglet Sign: MRI Findings in Central Pontine Myelinolysis. (2016) Clinical Neuroradiology. 18 (3): 191. <a href="https://doi.org/10.1007/s00062-008-8025-5">doi:10.1007/s00062-008-8025-5</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/26811110">Pubmed</a> <span class="ref_v4"></span>
Tags changed:
- central pontine myelinolysis
- trident sign
Sections changed:
- Signs
Systems changed:
- Central Nervous System
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