3,590 results found
Case
Tuberculous spondylitis
Published
08 Aug 2020
92% complete
CT
Article
Fifth lumbar vertebra (L5)
The fifth lumbar vertebra (L5) is the largest of the five lumbar vertebrae and is considered an atypical vertebra due to its shape.
Gross anatomy
L5 is the largest, most inferior lumbar discovertebral unit in the vertebral column, and participates in forming the lumbar lordosis (from L1 to L5...
Case
Laminotomy
Published
09 Feb 2009
25% complete
X-ray
Case
Chiari I malformation with syrinx
Published
14 Mar 2009
65% complete
MRI
Article
Diffuse T1 bone marrow signal loss
Diffuse T1 vertebral bone marrow signal loss is associated with replacement of fatty marrow by edema or cellular tissue.
Radiographic features
MRI
T1-weighted imaging without fat suppression is one of the most important sequences for distinguishing between normal and abnormal bone marrow. Ab...
Case
Intra and extradural thoracic meningioma
Published
03 Sep 2020
92% complete
CT
MRI
Case
Disc extrusion
Published
17 May 2019
92% complete
MRI
Case
Bone island
Published
23 May 2009
59% complete
CT
Article
Systemic lupus erythematosus (CNS manifestations)
Central nervous system manifestations of systemic lupus erythematosus (CNS lupus), also known as neuropsychiatric systemic lupus erythematosus (NPSLE), describe a very diverse range of neuropsychiatric manifestations that are secondary to systemic lupus erythematosus (SLE) in the central nervous...
Article
Baastrup disease
Baastrup disease or syndrome (also referred to as kissing spines) is a cause of low back pain characterized by interspinous bursitis and other degenerative changes of the bones and soft tissues where adjacent spinous processes in the lumbar spine rub against each other.
Epidemiology
It tends t...
Case
Luckenschadel skull
Published
23 Apr 2010
79% complete
X-ray
Article
Spina bifida occulta
Spina bifida occulta is the mildest form of spina bifida/spinal dysraphism and is a type of neural tube defect.
Terminology
While typically referring to asymptomatic posterior fusion defects, some authors 5 use it as a broad term that encompasses closed spinal defects such as:
diastematomyel...
Case
Two-column thoracic spine fracture
Published
15 Jan 2017
92% complete
CT
Article
Alar ligament calcification
Alar ligament calcification is rare. The alar ligaments arise bilaterally from the upper portion of the odontoid process and run obliquely cephalad and laterally to insert on the medial surface of the occipital condyles. They stabilize the head during rotatory movements.
Epidemiology
Focal c...
Case
Single column lumbar spine fracture
Published
30 Jun 2017
95% complete
CT
Article
Collar sign in spondylolysis
The Collar sign in spondylolysis refers to a break in the pars interarticularis of the vertebra on oblique radiographs that can have the appearance of a collar around the Scotty dog's neck.
unilateral or bilateral
90% seen at the L5 level and less than10% noted at the L4 level1,2
65% of patie...
Case
Abdominal wall pseudocyst secondary to lumboperitoneal shunt malpositioning
Published
07 Feb 2022
95% complete
CT
Case
Spondylolysis and spondylolisthesis
Published
11 Feb 2014
90% complete
Annotated image
CT
Case
Spinal intradural lipoma
Published
13 May 2024
95% complete
CT
MRI
Case
Lumbar disc extrusion with cauda equina compression
Published
18 May 2021
89% complete
MRI
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