3,589 results found
Case
Normal thoracolumbar spine
Published
16 Apr 2016
77% complete
CT
Case
Extradural spinal CSF leak
Published
25 Apr 2022
95% complete
MRI
Case
Intraosseous pneumatocyst
Published
04 Oct 2017
77% complete
CT
Case
Subacute combined degeneration of the cord
Published
05 Jul 2021
80% complete
MRI
Article
Honda sign (sacrum)
The Honda sign (H sign or H pattern) is a term used to describe the appearance of bilateral sacral insufficiency fractures on a radioisotope bone scan.
Radiographic features
Sacral insufficiency fractures are usually vertically through the sacral alae, paralleling the sacroiliac joint, often w...
Case
Neuromuscular scoliosis - cerebral palsy
Published
13 May 2021
85% complete
X-ray
Article
Os odontoideum
Os odontoideum (plural: ossa odontoidea) is an anatomic variant of the odontoid process of C2 and needs to be differentiated from persistent ossiculum terminale and from a type 2 odontoid fracture. It can be associated with atlantoaxial instability.
Although it was originally thought to be a c...
Article
Anderson and Montesano classification of occipital condyle fractures
The Anderson and Montesano classification is a widely used system for describing occipital condyle fractures. It divides injuries into three types based on morphology and mechanism of injury 1-5.
Classification
type I: impacted type occipital condyle fracture
morphology: comminution of the co...
Case
Occipital condyle fracture (type 1) and atlas transverse process fracture (type 5)
Published
17 Mar 2021
92% complete
CT
Article
Spinal meningioma
Meningiomas arising from the coverings of the spinal cord are one of the two most common intradural extramedullary spinal tumors, representing 25-30% of all such tumors 2.
This article specifically relates to spinal meningiomas. For a discussion on intracranial meningiomas and a general discus...
Case
Idiopathic thoracic spinal cord herniation
Published
29 Sep 2022
81% complete
CT
MRI
Article
Charcot-Marie-Tooth disease
Charcot-Marie-Tooth (CMT) disease, also known as hereditary motor and sensory neuropathy (HMSN), refers to a heterogeneous group of inherited peripheral neuropathies rather than a single clinical entity 9.
Epidemiology
The prevalence of CMT in one Norwegian study was 82.3 cases per 100,000 peo...
Article
Chordoma
Chordomas are uncommon malignant tumors of the axial skeleton that account for 1% of intracranial tumors and 4% of all primary bone tumors.
They originate from embryonic remnants of the primitive notochord (earliest fetal axial skeleton, extending from the Rathke's pouch to the tip of the cocc...
Case
Dystopic os odontoideum with atlantoaxial subluxation
Published
30 Nov 2021
92% complete
MRI
CT
Article
Focal fatty deposits in bone marrow
Focal fatty deposits, also known as marrow islands or replacements in the bone marrow, are well-defined focal fat islands within the bone marrow of the spine or other parts of the axial skeleton 1,2.
Epidemiology
Common in older individuals, related to age but not to sex.
Associations
Focal ...
Case
Atlanto-occipital assimilation with basilar invagination
Published
12 Aug 2019
80% complete
MRI
Article
Facet joint injection
Facet (zygapophyseal) joint injections are performed primarily for the diagnosis and differentiation of facet syndrome and radicular pain syndrome, and are one of the spinal interventional procedures. They can be performed under fluoroscopic, or CT image guidance, and cervical, thoracic or most ...
Article
Meningocele
Meningoceles (also spelled meningocoele) are protrusions of the meninges through a defect or weak point in the skull or spine, usually involving the soft tissues beneath the surface of the skin. They are typically categorized into congenital, iatrogenic (e.g. following a craniotomy, sinus surger...
Case
Spondylolysis - L4
Published
19 Sep 2014
80% complete
CT
Case
Pediatric lumbar disc herniation
Published
28 Oct 2023
92% complete
MRI
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