ACQUIRED CHIARI-I MALFORMATION AND SYRINGOMYELIA ASSOCIATED WITH BILATERAL CHRONIC SUBDURAL-HEMATOMA - CASE-REPORT

The authors report a case of bilateral chronic subdural hematoma in a 25-year-old woman who had occipital and neck pain. Magnetic resonance imaging revealed progressive caudal descent of the cerebellar tonsils (acquired Chiari I malformation) and a large eccentric syrinx in the s pinal cord from the C3-T7 levels. Spontaneous disappearance of the chr onic subdural hematomas resulted in radiographic resolution of both le sions, as well as clinical improvement. Theories of syringomyelia form ation, the relationship to acquired Chiari I malformation, and the imp lications of this case are discussed.