A particular treatment dilemma is presented when SEA extends along the entire length of the spinal canal
, as in this patient, since traditional surgical decompression would involve extensive disruption of soft tissue and removal of bone via laminectomy.
Extramedullary hematopoiesis, such as may be seen in patients with thalasemia may result in multiple large paravertebral or epidural masses that can encroach upon the spinal canal
Regarding spinal canal
width, mean distance from L1 to L5 were 21.
Lipomyelomeningoceles and myelocystoceles, where the cord usually exits the spinal canal
dorsally, almost always require surgery.
CSM occurs as a result of congenital or acquired narrowing of the cervical spinal canal
, with subsequent mechanical and ischaemic insults to the cervical spinal cord and roots.
Such NIC symptoms occur because of nerve root ischemia from compression in the spinal canal
and neural foramina (Lauryssen, 2007).
CMs may develop when the bony space is smaller than normal, causing the cerebellum and brain stem to be pushed down into the foramen magnum and into the upper spinal canal
Radiographic evidence of lumbar spinal canal
narrowing is necessary but not sufficient to diagnose the clinical syndrome of LSS.
They just basically opened up my spinal canal
," he said, "cutting through some bones and using screws (to widen the canal).
The angle of spinal needle insertion and the diameter of the spinal canal
play pivotal roles to determine this margin of safety.
Much research has been done regarding measurement of the center of rotation of the spine, but the results are often contradictory, placing the center of rotation anywhere from the center of the vertebral body to inside the spinal canal
to the tip of the spinous processes [1-7].
All the fetuses in the study suffered from hindbrain herniation, in which the base of the brain is pulled into the spinal canal