1. Department of Neurosurgery, Jiangmen Central Hospital, Jiangmen, China;
2. Key Laboratory of Pituitary Adenoma in Guangdong Province, Department of Neurosurgery, First Affiliated Hospital, SunYat-sen University, Guangzhou, China;
3. Department of Pathology, the First Affiliated Hospital, SunYat-sen University, Guangzhou, China;
4. Department of Histology and Embryology, Zhongshan School of Medicine, Zhongshan, China