Platybasia 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 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...
متن کاملBasilar Impression (Platybasia)
Basilar impression, sometimes spoken of as platybasia, is a deformity of the occipital bone and upper end of the cervical spine resulting from anomalous development. It may produce marked pressure effects upon the medulla and adjacent parts of the central nervous system. These pressure effects may simulate syringomyelia, disseminated sclerosis, or progressive spastic paralysis so closely as to ...
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...
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ژورنال
عنوان ژورنال: European Neurology
سال: 2007
ISSN: 0014-3022,1421-9913
DOI: 10.1159/000102172