Hemorrhage   Neurosurgical procedures   Neurosurgical procedures methods   Microsurgery   Infarction   Microsurgery methods   Pituitary apoplexy   Infarction pathology   Hemorrhage pathology   Pituitary apoplexy surgery   Pituitary apoplexy pathology   Human   Female   Male   Adult   Middle aged   Treatment outcome   Retrospective studies   Prognosis   Adenoma   Pituitary neoplasms   Hemorrhage etiology   Pituitary gland   Necrosis   Infarction complications   Necrosis pathology   Necrosis complications   Pituitary apoplexy diagnosis   Pituitary gland blood supply   Adenoma blood supply   Pituitary neoplasms blood supply