myelography is diagnostic examination used to demonstrate.. extrinsic spinal cord compression resulting from disk herniation

myelography is diagnostic examination used to demonstrate

1- extrinsic spinal cord compression resulting from disk herniation

2- post-traumatic swelling of the spinal cord

3- internal disk lesions

a- one only

a- 1 and 2 only

b- 1 and 3 only

c- 1,2 and 3

Myelography uses a form of real-time radiography called fluoroscopy and an injection of contrast material to evaluate the spinal cord, nerve roots and medulla lining (meninges).
It is particularly useful for evaluating the spine after surgery and for evaluating disc abnormalities in patients who cannot undergo MRI.
You will be instructed on how to prepare.
Talk to your doctor if there is any chance you are pregnant and tell him about any recent illness, medical condition, medications you are taking, and allergies (especially iodine contrast materials).
You will be advised to stop taking blood thinning agents and other medications for several days before your exam.
You may also be asked to avoid solid foods and increase your fluid intake before the test. Leave jewelry at home and wear comfortable and comfortable clothes.
You may be asked to wear a dressing gown.