115 results found
Case
Spina bifida occulta
Published
05 May 2016
57% complete
X-ray
Case
Spina bifida occulta
Published
07 Jun 2020
54% complete
X-ray
Playlist
Spina Bifida
2 cases
No description provided
Case
Spina bifida occulta
Published
09 Mar 2010
50% complete
CT
X-ray
Article
Rachischisis totalis
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.
Pathology
There is often a severe or complete defect of the neural tube involving the entire spine from the cervical region through to the sacrum....
Playlist
#DFTB - Spina Bifida
5 cases
Here are some great images, from the great contributors of Radiopaedia.org, to view in conjunction with our Spina Bifida week posts.
Article
Clasp-knife deformity
Clasp-knife deformity is relatively common congenital anomaly found at the lumbosacral junction.
Terminology
When a clasp-knife deformity is accompanied by pain on extension secondary to protrusion of the enlarged spinous process (knife blade) into the sacral spinal canal, it is called clasp-k...
Article
Diastematomyelia
Diastematomyelia, also known as a split cord malformation, refers to a type of spinal dysraphism (spina bifida occulta) when there is a longitudinal split in the spinal cord.
Terminology
Although traditionally it has been distinguished from diplomyelia (in which the cord is duplicated rather ...
Article
Banana sign (cerebellum)
The banana sign is one of the many notable fruit inspired signs.
This sign is seen on axial imaging through the posterior fossa of fetuses with associated conditions such as Chiari II malformation and/or spina bifida.
In Chiari II malformation, the banana sign describes the way the cerebellum...
Article
Spinal dysraphism
Spinal dysraphisms refer to a broad group of malformations affecting the spine and/or surrounding structures in the dorsum of the embryo. They are a form of neural tube defect.
Pathology
The neural tube is formed by the lengthwise closure of the neural plate, in the dorsum of the embryo.
The ...
Article
Posterior vertebral fusion anomalies
Posterior vertebral fusion anomalies are relatively common and should not be mistaken for fractures. They are thought to be both developmental and pathological (e.g. spondylolysis) but are typically asymptomatic and incidental, and considered as anatomical variants. There are six types of poster...
Article
Lemon sign
The lemon sign, noted on antenatal imaging, is one of the many notable fruit-inspired signs. It is a feature when there appears to be an indentation of the frontal bone (depicting that of a lemon). It is classically seen as a sign of a Chiari II malformation and also seen in the majority (90-98%...
Article
Craniorachischisis
Craniorachischisis, also known as craniorachischisis totalis, is a rare birth defect and the most severe of the neural tube defects. It refers to the presence of both anencephaly and spina bifida.
Epidemiology
In one study the prevalence of craniorachischisis was 0.51 per 10,000 live births in...
Article
Tethered cord syndrome
Tethered cord syndrome is a neurological disorder caused by tissue attachments that limit the movement of the spinal cord within the spinal canal.
Clinical presentation
Tethered cord syndrome is a clinical diagnosis based on neurologic deterioration involving the lower spinal cord 7. Patients ...
Article
Chiari II malformation
Chiari II 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. Numero...
Article
Unfused spinous process
Unfused spinous process, which is really failure of fusion of the neural arch, is a relatively common anatomical variant and is part of the spectrum of spina bifida occulta.
This should be differentiated from accessory ossicles of the spinous process, which appear after non-fusion of the secon...
Article
Spinal neurenteric cyst
Spinal neurenteric cysts are a rare type of foregut duplication cyst, accounting for ~1% of all spinal cord tumors. They are usually classified as spinal or intracranial and are associated with vertebral or CNS abnormalities respectively.
Pathology
Neurenteric cysts result from incomplete res...
Article
Obstetric curriculum
The obstetric curriculum is one of our curriculum articles and aims to be a collection of articles that represent the core obstetric knowledge.
Definition
Topics pertaining to the normal and abnormal pregnancy, the gravid uterus and fetal environment, placenta, normal fetal development and fet...
Article
Myelomeningocele
Myelomeningocele, also known as spina bifida cystica, is a complex congenital spinal anomaly that results in spinal cord malformation (myelodysplasia).
Epidemiology
It is one of the commonest congenital CNS anomalies and thought to occur in approximately 1:500 of live births 5. There may be a...
Article
Tight filum terminale syndrome
Tight filum terminale syndrome, or tight filum syndrome, is a subtype of the tethered cord syndrome that is attributed to a thick, short, and/or otherwise inelastic filum terminale rather than other tethering agents.
Terminology
The term "tight filum terminale syndrome" is synonymous with "tet...
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