2014年12月14日 · The MRI protocol for examination of the lumbar spine in patients with symptoms of nerve compression is quite simple. Basically we rely on the sagittal T1W- and T2W-images and correlate the findings with the transverse …

If your doctor suspects that you may have a herniated nucleus pulposus (HNP), an MRI might be used to evaluate your condition. HNP means the gel-like center of a disc has leaked through a tear in the tough outer wall of the disc.

1993年12月1日 · The acute lumbar herniated nucleus pulposus (HNP), can often be diagnosed on good quality MRI or CT examination. Myelography, discography, and postmyelography/postdiscography CT ordinarily are reserved for equivocal and protracted cases.

2024年9月1日 · MRI. high content of water which gives a normal disc its characteristic high T2 signal on MRI. generalized loss of high T2 signal in the disc is due to age-related disc desiccation. a linear T2 hypointense signal through a disc in a young person may be a normal variant called an "intranuclear cleft", a band of fibrous tissue through the nucleus ...

2023年8月7日 · MRI is the recommended diagnostic imaging in cases of severe or progressive neurologic deficits, suspicion of an underlying condition such as infection, fracture, cauda equina syndrome, spinal cord compression.

2022年8月9日 · MRI exquisitely delineates herniated nucleus pulposus (HNP) and its relationship with adjacent soft tissues. On MRI, HNPs appear as focal, asymmetric protrusions of disk material beyond...

Lumbar disc herniation (herniated nucleus pulposus [HNP]), or an extrusion of the nucleus pulposus intruding into the lumbar spinal canal, has been proposed as the most frequent cause of lower back pain. 1 Herniation magnitude can vary from small protrusion to complete annular tear and disc sequestration. 2 Herniations can cause spinal stenosis ...

2023年6月30日 · MRI clearly provides the most information—perhaps too much, in that it has a 25% false-positive rate (asymptomatic herniated nucleus pulposus [HNP]). An HNP that is noted on imaging studies...

A, B: MRI of uni-focal herniated nucleus pulposus (HNP). Surgery for same level multi-focal extruded lumbar disc herniations is technically challenging and the optimal method controversial. The...

The symptoms due to herniated nucleus pulposus (HNP) can ultimately be attributed to the significant inflammatory response it generates inside the spinal canal. Disk...