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. Author manuscript; available in PMC: 2016 May 4.
Published in final edited form as: Neurosurgery. 2014 Nov;75(5):515–522. doi: 10.1227/NEU.0000000000000507

Figure 1.

Figure 1

A) The linear measures of the PCF: Clivus, supraocciput, McRae’s line, and Twining’s line, superimposed on mid-sagittal slices of 3-D T1-weighted MR images. B) A rendering of the automated PCF volume segmentation.