Purpose or Case Report: Shunts are near-ubiquitous in the world of pediatric neuroimaging, and it is incumbent on radiologists who interpret pediatric neuroimaging to have a basic understanding of the different shunt types and components. In this educational poster we will review the appearance of a shunt with its three parts. We will correlate this to the imaging appearance of different shunt valves (programmable and non-programmable), and appropriate proximal and distal catheter positioning. We will describe the more common complications (i.e. shunt failure, subdural collections, slit ventriclular syndrome, etc.) associated with shunts in pediatric patients. The poster will also briefly highlight some of the relative advantages and disadvantages of computed tomography (CT) and magnetic resonance (MR) imaging in the assessment of hydrocephalus.
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