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  Indian J Med Microbiol
 

Figure 7: Schematic representation of the "ventriculosyringeal valve" as described by Hall et al. Left panel shows opening of the valve with increase in intraventricular pressure that eventually leads to passage of CSF into the syrinx. The right panel shows the closure of the valve with decrease in intraventricular pressure, leaving an infl ated, isolated syrinx in the spinal cord. (Adapted from Hall et al.: J Neurosurg 52:812-817,1980)

Figure 7: Schematic representation of the et al. Left panel shows opening of the valve with increase in intraventricular pressure that eventually leads to passage of CSF into the syrinx. The right panel shows the closure of the valve with decrease in intraventricular pressure, leaving an infl ated, isolated syrinx in the spinal cord. (Adapted from Hall et al.: J Neurosurg 52:812-817,1980)">