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FIG 5. Axial functional MR images show activation from right motor tasks in the two patients with left frontal masses overlapping the SMA in whom reorganization of SMA was detected.
A, Activation in the SMA (red arrows) is contralateral to the sensorimotor cortex activation (black arrows) in a patient with a large meningioma.
B, In a patient with a grade II oligodendroglioma, activation secondary to the right finger task is noted in the right SMA (red arrow) and in the left sensorimotor cortex (black arrow)
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