Abstract Background Syringomyelia and Chiari malformation are classified as rare diseases
on Orphanet, but international guidelines on diagnostic criteria and case definition are …

Background The best surgical treatment for adult Chiari malformation type 1 remains widely
debated. Objective This study aimed to assess the efficacy of posterior fossa decompression …

Introduction Recently, a novel hypothesis has been proposed concerning the origin of
craniovertebral junction (CVJ) abnormalities. Commonly found in patients with these entities …

Background Chiari malformation (CM) is defined as a herniation of cerebellar tonsils below
the foramen magnum and is considered to be due to underdevelopment of posterior fossa …

Background Chiari malformation type 1 (CM-1) is characterized by cerebellar tonsil
herniation through the foramen magnum and can be associated with additional …

Background Previous studies have suggested an association of Chiari Malformation type I
(CM-I) and cognitive deficits. CM-I is a neurological disorder characterized by a descent of …

Abstract Purpose Symptomatic Chiari type I malformation (CM) is treated with posterior fossa
decompression with/without duroplasty. Few authors suggested cerebellar tonsil caudal …

Objective The surgical management of basilar invagination without atlantoaxial dislocation
(type B basilar invagination) remains controversial. Hence, we have reported the use of …

Objective To describe the foramen magnum angle (FMA) as a new parameter for basilar
invagination (BI) type B. Methods The FMA was performed on sagittal slice of magnetic …

Background Basilar invagination (BI) is a common disease in the craniocervical junction
(CVJ) area. Posterior fossa decompression with/without fixation is a controversial surgical …