Objective To summary the clinical characters of foramen magnum tumors, discuss the surgical approach and microsurgical skill for improving the ability of diagnosis and treatment of tumors in formen magnum.

Microsurgery for foramen magnum meningioma;

Microsurgical anatomy and clinical study of the far-lateral transcondylar approach to remove tumors situated at lower clivus and ventral to foramen magnum;

Microsurgical treatment to ventral tumors in foramen magnum region;

Craniectomy including the squamous portion of the occipital bone within 2cm range centered by the foramen magnum and removal of the posterior arch of the atlas were performed.

Objective: Through the quantitative study on correlated anatomy of foramen magnum in Chinese dry skulls, to provide anatomical evidence for whether or not removing the occipital condylar when dealing with the lesions of ventral FM.

The review focuses on the progress of CT and MRI in diagnosing transtentorial hernia and tonsillar hernia.

Effect of kongsheng zhenzhong pills on learning and memory ability and expression of TChE and NGF of vascular dementia rat models;