Spina bifida | Radiology Reference Article - Radiopaedia.org
2024年8月21日 · Ultrasound generally has a high detection rate for spina bifida and may show dorsal ossification centers / lateral pedicles as being splayed apart (which can give a V-shaped appearance to the posterior elements).
Spina bifida | Radiology Reference Article | Radiopaedia.org
Spina bifida | Radiology Reference Article | Radiopaedia.org
Spina bifida occulta | Radiology Reference Article - Radiopaedia.org
2024年12月8日 · Spina bifida occulta is the mildest form of spina bifida/spinal dysraphism and is a type of neural tube defect.
Chiari II malformation | Radiology Reference Article
2024年9月22日 · Chiari II (Chiari 2) malformations are relatively common congenital malformations of the spine and posterior fossa characterized by myelomeningocele (lumbosacral spina bifida aperta) and a small posterior fossa with descent of the brainstem, cerebellar tonsils, and vermis through the foramen magnum. Numerous associated abnormalities are also ...
Rachischisis totalis | Radiology Reference Article - Radiopaedia.org
2021年4月30日 · Rachischisis totalis, also known as complete spina bifida, refers to a severe form of spina bifida where there is a cleft through the entire spine.
Banana sign (cerebellum) | Radiology Reference Article
2022年10月22日 · The banana sign is also seen in the majority of fetuses with spina bifida. The ultrasound appearance of the banana sign is secondary to the abnormality of the cerebellar shape 3 . In patients with spina bifida, this appearance disappears after 24 weeks.
Myelomeningocele | Radiology Reference Article - Radiopaedia.org
2024年8月21日 · Myelomeningocele, also known as spina bifida cystica, is a complex congenital spinal anomaly that results in spinal cord malformation (myelodysplasia).
Lemon sign | Radiology Reference Article | Radiopaedia.org
2024年8月21日 · The lemon sign is seen on axial imaging (usually antenatal ultrasound, although antenatal MRI will also demonstrate this sign) through the head and relates to concavity (not just flattening) of the frontal bones.
spina bifida | Search | Radiopaedia.org
2017年6月15日 · Spina bifida is a type of neural tube defect/spinal dysraphism which can occur to varying degrees of severity. It is often considered the most common congenital CNS malformation. Terminology Spina bifida in its strictest sense means defective fusion of the vertebral posterior elements, leading...
Acrania | Radiology Reference Article | Radiopaedia.org
2024年8月20日 · Ultrasound As the ossification of the fetal cranium begins and accelerates after nine weeks, antenatal ultrasound allows diagnosis from 11 weeks onwards. Looking specifically for frontal bone ossification in the axial and coronal planes is important.
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