platybasia
Neuroimaging
assessment in Down syndrome: a pictorial review. Sagittal T1/SE of a 38-year-old Down syndrome patient with platybasia (skull base angle > 143°). As shown in the figure, this angle is measured using a line joining the nasion with the center of the pituitary fossa and a line joining the anterior border of the foramen magnum and the center of the pituitary fossa
Platybasia
• Platybasia (diagrams) - Ganzer Fall bei Radiopaedia
Osteogenesis
imperfecta • Osteogenesis imperfecta - spine - Ganzer Fall bei Radiopaedia
Platybasia is characterized by abnormal flattening of the skull base as defined as a base of skull angle over 143º.
Clinical presentation
Platybasia alone does not usually cause symptoms unless it is associated with basilar invagination .
Pathology
Etiology
- congenital
- achondroplasia
- Down syndrome
- Chiari malformations
- craniocleidodysostosis
- craniofacial anomalies
- osteogenesis imperfecta
- acquired
Associations
Siehe auch:
- Osteogenesis imperfecta
- Morbus Paget des Knochens
- Basiläre Impression
- Rachitis
- Kleidokraniale Dysplasie
- Osteomalazie
- Chiari-Malformation
- measuring the base of skull angle
und weiter:
Assoziationen und Differentialdiagnosen zu Platybasie:
