Instability and basilar invagination
نویسندگان
چکیده
منابع مشابه
Platybasia and basilar invagination.
Descriptions of the flattening (platybasia) of the skull base and the upward displacement(impression) of the basilar and condylar portions of the occipitalbone by the upper cervical spine date to the late 18th and early 19th centuries. Anatomical measurements to display these abnormalities were begun in 1865, but the full clinical significance was not appreciated until Homen's work in 1901. Sub...
متن کاملBasilar Invagination: Case Report and Literature Review.
BACKGROUND Basilar invagination is a rare clinical condition characterized by upward protrusion of the odontoid process into the intracranial space, leading to bulbomedullary compression. It is often encountered in adults with rheumatoid arthritis. Transoral microscopic or endonasal endoscopic decompression may be pursued, with or without posterior fixation. We present a case of basilar invagin...
متن کاملBasilar invagination, Chiari malformation, syringomyelia: a review.
Institute and personal experience (over 25 years) of basilar invagination was reviewed. The database of the department included 3300 patients with craniovertebral junction pathology from the year 1951 till date. Patients with basilar invagination were categorized into two groups based on the presence (Group A) or absence (Group B) of clinical and radiological evidence of instability of the cran...
متن کامل'Sneeze syncope', basilar invagination and Arnold-Chiari type I malformation.
Syncope precipitated by sneezing in an adult male associated with an Arnold-Chiari type I malformation and basilar invagination presents a clinical problem in the differential diagnosis and pathological anatomy of Valsalva-related syncope. An abnormally acute clivoaxial angle, small foramen magnum, and type I Arnold-Chiari malformation appear to be a combination of features intolerant of Valsa...
متن کاملTeaching NeuroImages: platybasia and basilar invagination in osteogenesis imperfecta.
A 15-year-old girl with osteogenesis imperfecta (OI) and multiple bone fractures since early childhood presented with occipital headache. She had blue sclera and short neck (figure 1), right hypoglossal palsy, bilateral pyramidal tract signs, and gazeevoked nystagmus. Cervical MRI showed platybasia, basilar invagination, brainstem/high cord compression, and narrowing of upper cervical canal (fi...
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ژورنال
عنوان ژورنال: Journal of Craniovertebral Junction and Spine
سال: 2012
ISSN: 0974-8237
DOI: 10.4103/0974-8237.110115