Summary Congenital Chiari Malformations range in complexity from cerebellar tonsillar
ectopy to complex neuraxial malformations with long-debated etiologies. Fundamental …

Chiari malformation type I (CM-I), first described by an Austrian pathologist Hans Chiari in
1891, is a hindbrain disorder that occurs in pediatric and adult populations and is mainly …

Background No prior reports have focused on spinal cord injury (SCI) characteristics or
inflammation after destruction of the blood–spinal cord barrier by syringomyelia. This study …

Chiari malformation type I (CM-1) is a common congenital anomaly resulting in herniation of
the cerebellar tonsils through the foramen magnum. It is estimated that CM-1 may be present …

Described in the seminal paper by Hans Chiari in 1891, the Chiari I malformation (CMI) is a
radiographic diagnosis commonly encountered by neurosurgeons and is often treated …

Patients with CCM may be at risk for surgical failure if standard surgical techniques for
treatment of CM are used; in some cases, reoperation and OCF with or without VBD may be …

BACKGROUND: Chiari I malformation (CIM) is characterized by descent of the cerebellar
tonsils through the foramen magnum, potentially causing symptoms from compression or …

Craniocervical instability (CCI) is increasingly recognized in hereditary disorders of
connective tissue and in some patients following suboccipital decompression for Chiari …

Atlas assimilation (AA) may be associated with atlantoaxial dislocation, Chiari malformation
(CM), and basilar invagination. The importance of AA in the context of craniocervical junction …

OBJECTIVE Patients with a prior surgical history for Chiari malformation (CM) as a child or
an adult who presents with a recurrence or persistence of symptoms pose a challenging …