Chiari malformation is a rare anatomic defect of the skull base. Clically, Ciari type 1 malformation patients present with complaints caused by the compression of the brainstem in the foramen magnum region, hydrocephalus, syringomyelia, increased intracranial pressure, are even can be asymptomatic. These are two case reports of Chiari 1 malformation patients with and without syringomyelia wham …