Central Canal or Syrinx-MRI Teaching Point
This is a question which some of us have to answer occasionally when we see prominent central canal, which looks a bit more prominent than usual.
Following points will help you to decide in favor of the normal variant are-
- The central canal of the spinal cord is present at birth and becomes progressively obliterated. But it may persist partially or completely.
- Central canal is located at the junction of the ventral 1/3 and dorsal 2/3 of the spinal cord and is filiform in shape and located in the thoracic cord most commonly. There should not be factors (Chiari malformation, dysraphism) predisposing to syringomyelia.
Once you see these points these suggest persistent central canal, which is just a variant of normal anatomy.
Central Canal or Syrinx-MRI Teaching Point
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Reviewed by Sumer Sethi
on
Friday, April 05, 2013
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Sumer Sethi
Unique blend of academic excellence and entrepreneurship, heading leading firms in India- Teleradiology Providers, pioneering company providing teleradiology services and DAMS (Delhi Academy of Medical Sciences) Premier test preparation institute in India for MD/MS/MCI preparation. He has also been an invited faculty member at various conferences, including Teleradiology in IRIA 2008 and 2011, Hospital Build Middle East, Congress of the Brain Tumor Radiology in Neuro-oncology Society. Dr. Sethi is Editor-in-Chief of Internet Journal of Radiology. He has a keen interest in Web 2.0 technologies and in maintaining his famous radiology blog, which has been featured in multiple international journals.
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