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MRI showing sphenoid lesion (white arrow). (A) T1-weighted MRI (coronal). (B) T1-weighted MRI (axial). (C) T1-weighted MRI (sagittal midline) showing a normal sella pituitary and separate sphenoid lesion. (D) T1-weighted MRI (sagittal left side) showing sphenoid lesion extends to the clivus.
