We joined the 95th. Neurosurgical Meeting of Chubu Area in Nagoya on September 8, 2018. Our residents, Drs. Yasunori Okada and Saori Hamada presented their case reports on STA-ACA bypass & balloon angioplasty and infantile brain abscess, respectively. Dr. Hisayasu Saito presented a case series of one-stage bypass surgery for anterior and posterior circulation for moyamoya disease with dense ischemia in the PCA territory.