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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: J Neurooncol. 2014 Feb 25;118(1):123–129. doi: 10.1007/s11060-014-1403-8

Fig. 1.

Fig. 1

Example of measuring perpendicular diameters of the identical tumor in three different head positions (columns). The top row depicts the irregular 3D tumor shape and approximate location of the imaging slices. For each head position we show horizontal slices at the superior, middle, and inferior tumor regions (rows). Depending on the position of the head (and resulting slice position), the identical tumor appears to look different in the images, affecting location and size of the nodule with the largest diameter. Note, that RANO measurements should not include the cystic center.