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. 2009 May;30(5):992–994. doi: 10.3174/ajnr.A1379

Fig 4.

Fig 4.

Sagittal MR CSF cine-flow study (gradient-echo, TE, 7.9 ms; TR, 21 ms). This study was performed when the patient returned with ventriculomegaly 9 months after gamma knife treatment. CSF cine flow demonstrated free flow of CSF without evidence of intraventricular obstruction.