Ventral cord herniation
47-year-old female presented to outpatient department of our hospital with history of backache for 3 months. There was no evidence of motor / sensory deficits.
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D3 - D4 level shows anteriorly displaced spinal cord with loss of anterior CSF column. There is prominent extramedullary CSF space with posterior flattening of the cord at this level leading to a focal contour change associated with T2 hyperintensity within the cord. Normal CSF signal intensity noted posterior to spinal cord.
MRI showed focal anterior herniation of spinal cord at D3-D4 level with posterior flattening of spinal cord. These imaging findings suggest the diagnosis of ventral cord herniation, also known as idiopathic spinal cord herniation.