We joined AANS2016 Annual Meeting in Chicago. Prof. Kuroda gave a lecture on Management of Cranial Incidental Imaging Findings at Breakfast Seminar. Dr. Akioka presented his data on cognitive function in patients with carotid stenosis before and after CEA/CAS. Dr. Tomita presented his data on long-term prognosis of patients with intracranial meningioma, based on a 35-year experience at Toyama University Hospital. Dr. Hayashi presented his research data on the basic and clinical roles of TOPK in malignant glioma.