1Surgical treatment of intra-spinal extradural meningeal cysts in thoracolumbar spine levelsXIE Jing-cheng, WANG Zhen-yu, CHEN Xiao-dong513-5152Diagnosis and microsurgical therapy of the pineal region tumors (report of 32 cases)TANG Qi-hua, ZHAO Hu-lin, ZHANG Jian-ning516-5183Responsible segment unilateral posterior cervical expansive open-door laminoplasty for multi-level cervical spondylotic myelopathyGUO Xiong-fei, XU Feng, LI Tao, XIONG Cheng-jie519-5224Microsurgery for jugular foramen schwannomas (report of 44 cases)YUAN Wei, ZHANG Ming-shan, LIANG Shao-dong, LI Hong-zhe523-5255Correlativity of preoperative MRI findings with the grade of meningiomaJIZI La-luo, HU Rong-jin, YANG Guo-ping, LI Yi, YAO Zeng-ya526-5286Microsurgery for Chiari malformation type Ⅰ associated with central sleep apnea hypopnea sydrome (report of 6 cases)QIANG Jing-ling, TIAN De-zhou, ZHANG Yuan-zheng529-5317Risk factors related to stress ulcer after clipping of intracranial aneurysms and its effects on prognosisJIANG Wei-min, ZENG Qun, JIANG Hui, CHEN Jian-tong, ZHAO Xue, GUO Ling-zhi, YANG Jia-ning532-5348Clinical effects of functional selective rhizotomy on lower limb spastic paralysis in patients with strokeWANG Feng-lu, CHEN Ming-sheng, ZHAO Hai-kang535-536,5399Treatment of acute occlusion of basilar artery by Navien Guide catheter-assisted Solitaire AB stentYU Zheng-tao, WANG Lei, TU Guo-Long, CHEN Huan-xiong, XIA Ying537-53910Comparison of MRI features between atypical and benign meningiomasSONG En-peng, FU Qiang, HASIMU Ai-he-mai-ti, WEI Kang-kang, LIU Bo, ZHOU Qing-jiu540-542,54611Endovascular embolization treatment of ophthalmic artery aneurysms (report of 36 cases)MING Zhi-xu, FENG Jin, ZHU Chen-lu, YANG Zhen-xing, LI Xi-nan, YAN Hua, HUANG De-jun, LI Zong-zheng543-54612Curative effects of 3D-slicer assisted neuroendoscopic surgery on hypertensive intracerebral hemorrhageHUANG Wei, GUO Feng, FENG Bo, TANG Zhi-yong, LI Guo-qiang, SUN Li-peng, LI Rong-wei547-548,55113Microsurgery via lateral supraorbital approach for large olfactory groove meningiomas (report of 6 cases)LEI Jun-rong, QIN Jun, LUO Jie, MOU Lei, CHEN Zhi-ming, CHEN Liang, PAN Yi-heng549-551