OBJECT Chiari malformation Type I (CM-I) is a hindbrain disorder associated with
elongation of the cerebellar tonsils, which descend below the foramen magnum into the …

The exact pathogenesis of syringomyelia associated with Chiari type 1 malformation is
unknown, although a number of authors have reported their theories of syrinx formation. The …

OBJECTIVE: We describe an operative technique for Chiari Type I malformation that uses
color Doppler ultrasonography as a guide for performing patient-specific posterior fossa …

Object In this retrospective analysis, the authors report a prospective study in which
intraoperative ultrasonography was used to determine the extent of surgery necessary …

Object Craniocervical decompression for Chiari malformation Type I (CM-I) and
syringomyelia has been reported to fail in 10%–40% of patients. The present prospective …

Objective In face of continuing controversy to the optimal treatment of Chiari type I
malformation, the authors analyzed three different surgical strategies. Materials and …

Surgical access to lesions in the fourth ventricle may be achieved utilizing transvermian or
transtelovelar trajectories. We performed a search of the PubMed database for studies …

Object. The incidence of syringomyelia in patients with Chiari I malformation is reported to
be between 20 and 75%. In the series reported herein 10.6% of patients with both clinical …

Purpose Despite decades of experience and research, the etiology and management of
Chiari I malformations (CM-I) continue to raise more questions than answers. Controversy …

Object The aim of this paper was to measure the posterior fossa (PF) volume increase
resulting from a given-sized occipital craniectomy in Chiari malformation Type I surgery and …