Search results for “Hirayama disease”
18 results found
Article
Hirayama disease
Hirayama disease, also termed monomelic amyotrophy or non-progressive juvenile spinal muscular atrophy of the distal upper limbs, is a type of cervical myelopathy related to flexion movements of the neck. It is considered a benign motor neuron disorder with a stationary stage after a progressive...
Case
Hirayama disease
Published
02 Sep 2012
95% complete
MRI
Case
Hirayama disease
Published
29 Sep 2023
95% complete
MRI
Case
Hirayama disease
Published
18 Apr 2023
92% complete
MRI
Case
Hirayama disease
Published
28 Feb 2013
89% complete
MRI
Case
Hirayama disease
Published
07 Jun 2012
89% complete
MRI
Case
Hirayama disease
Published
25 Oct 2013
83% complete
MRI
Case
Hirayama disease
Published
20 Sep 2021
77% complete
MRI
Case
Hirayama disease
Published
30 Mar 2012
77% complete
MRI
Case
Hirayama disease
Published
14 Jul 2020
77% complete
MRI
Case
Hirayama disease
Published
30 Nov 2022
71% complete
MRI
Question
Question 2261
Which MRI sequence is most important in making the diagnosis of Hirayama disease?
Article
Spinal muscular atrophy
Spinal muscular atrophy is a type of congenital neuromuscular disease affecting anterior horn cells of the brainstem and spinal cord.
Epidemiology
This disorder affects 1 in 6000-10000 infants 1.
Clinical presentation
Spinal muscular atrophy typically affects infants and young children, pres...
Article
Spinal cord
The spinal cord is the part of the central nervous system found within the vertebral column's spinal canal. The cord extends from the corticomedullary junction at the foramen magnum of the skull down to the tip of the conus medullaris within the lumbar cistern. It is lined by the spinal pia mate...
Article
Owl-eyes sign (spinal cord)
The owl-eyes sign, also known as snake-eyes sign or fried-eggs sign, represents bilaterally symmetric circular to ovoid foci of high T2-weighted signals in the anterior horn cells of the spinal cord and is seen on axial MR imaging. The sagittal corollary is a "pencil-like" vertical linear high T...
Article
Epidural angiolipoma
Epidural angiolipomas are rare benign tumors composed of mature adipocytes and abnormal vessels.
Epidemiology
Epidural angiolipomas are more frequently encountered in women, and typically in middle age (40-50 years of age) 1.
Clinical presentation
In keeping with the slow growth of these t...
Case
April Fools' 2013 : Vertebral aplasia - Von Schlapp syndrome
Published
30 Mar 2013
92% complete
X-ray
MRI
Case
Owl-eyes sign (spinal cord) - compressive cord myelopathy
Published
22 Jul 2023
77% complete
MRI
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