１本病例的正确诊断为延颈髓Ⅰ级星形细胞瘤（经病理证实）。病程中患者出现呛咳，一侧肢体无力，体检时发现垂直眼震，特别是ＭＲＩ上发现病灶位于延、颈髓，并伴有脊髓空洞形成，强烈提示本病为延、颈髓病变。２当桥脑、延髓肿瘤长向Ⅳ脑室时，可缺乏呼吸障碍、颅神... 1  The correct diagnosis of this case was delayed ascites grade I (confirmed by pathology). Patients cough during the course of the disease, one limb weakness, physical nystagmus was found, especially in MRI found lesions located in the extension, cervical spinal cord, and associated with the formation of syringomyelia, strongly suggested that the disease is delayed, cervical spinal cord lesions. 2 pontine, medullary tumor grows to the IV ventricle, the lack of respiratory disorders, cranial God ...