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Neurological picture
Gardner’s hypothesis and magnetic resonance imaging
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  1. ANOOP KOHLI
  1. Department of Neurology
  2. Department of Radiology (MRI), Sanjay Gandhi PGI, Lucknow, India-226014
  1. Dr Anoop Kohli, K-11, Department of Neurology, Henry Ford Hospital, 2799, W Grand Boulevard, Detroit, Michigan-48202-2689, USA.
  1. RAKESH K GUPTA
  1. Department of Neurology
  2. Department of Radiology (MRI), Sanjay Gandhi PGI, Lucknow, India-226014
  1. Dr Anoop Kohli, K-11, Department of Neurology, Henry Ford Hospital, 2799, W Grand Boulevard, Detroit, Michigan-48202-2689, USA.

http://dx.doi.org/10.1136/jnnp.63.2.143

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    T1 weighted sagittal images at 4.4 interslice gap of a patient with syringomyelia, showing the essentials of Gardner’s hypothesis: (1) hindbrain herniation with outflow obstruction; (2) hydrocephalus with the fourth ventricle connecting to a dilated central canal of the cord, (3) extension of the central cavity into the brainstem, constituting a syringobulbia (arrowhead). Cine mode showed pulsatile CSF flow across the fourth ventricle into the central canal and syrinx.