Dr. Zhang specializes in the microsurgical treatment of brain tumors, skull base tumors, and sellar and parasellar lesions.With more than 40 years of experience in neurosurgery, Dr. Zhang has accumulated extensive expertise in microneurosurgery for a broad spectrum of complex neurological diseases. He has particular expertise in the surgical management of sellar and parasellar tumors, including pituitary adenomas and craniopharyngiomas.Dr. Zhang is highly experienced in minimally invasive endoscopic endonasal surgery for pituitary adenomas and other sellar lesions. His clinical proficiency and therapeutic outcomes in this field have reached the advanced domestic level.