Fig. 4From: Extended endoscopic endonasal approach for pituitary adenoma: a single-center experience of 171 patientsCoronal and sagittal MRI images of a patient who underwent a second surgery. a: MRI image before surgery, showing the anterior cranial base was invaded by the macroadenoma; b: MRI image after the first surgery when the tumor has been partly resected; c: MRI image after the second surgery, showing the tumor was subtotal removedBack to article page