3,589 results found
Case
Dorsal arachnoid web - scalpel sign
Published
15 Mar 2015
77% complete
Annotated image
MRI
Case
Median atlanto-occipital and atlantoaxial joints (Gray's illustration)
Published
06 Oct 2017
38% complete
Diagram
Case
Pedicle screw fracture
Published
31 May 2018
88% complete
X-ray
Case
Spinal schwannoma - dumbbell appearance
Published
21 Dec 2018
68% complete
MRI
Case
Chronic myeloid leukemia (MRI)
Published
12 Oct 2017
75% complete
MRI
Case
Tethered cord
Published
13 Oct 2017
92% complete
MRI
Case
Bilateral L2 spondylolysis
Published
11 Nov 2017
92% complete
MRI
Annotated image
Article
Iliolumbar ligament
The iliolumbar ligament is a strong band of connective tissue which courses from the transverse process of L5 (in over 96% of cases) to the posterior iliac wing and crest of the ilium. It functions to maintain the alignment of L5 on the sacrum during various movements 1,2.
It is an important la...
Case
Cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS)
Published
14 Feb 2020
83% complete
MRI
Case
Neuromuscular scoliosis - cerebral palsy
Published
13 May 2021
85% complete
X-ray
Article
Posterior dynamic lumbar stabilization
Posterior dynamic lumbar stabilization is an alternative instrumented method to rigid spinal fusion aiming to improve segmental stability. Purported advantages of this technique include reduced posterior element and intervertebral disc loading reducing symptoms and potentially allowing for disc ...
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 ...
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