2023年7月30日 · Sequestrated disc, also referred to as a free disc fragment, corresponds to extruded disc material that has no continuity with the parent disc and is displaced away from …

A sequestered disc herniation occurs when extruded disc material is no longer contiguous with the parent nucleus pulposus. The free disc fragment typically lateralizes and may migrate …

The lumbar spine is the most commonly affected region, but the cervical and thoracic spine can also be affected. Here, we report four cases of disc sequestration mimicking a spinal tumor …

TABLE 1:Comparison ofSurface-Coil MRImaging andCT Myelography inIdentifying Sequestered Disks MA:150,May1988 MROFSEQUESTERED DISKS i159 Fig.5.-A,Ti …

2022年3月7日 · A free fragment, also known as a sequestered disc, is one type of herniated disc in which a piece breaks off from the main structure. Once separated, the detached fragment …

MRI of the lumbar spine is common. Disc pathology on this large volume is common. Disc sequestration is not that common at all and almost always means surgery rather than …

Based on a retrospective review of MR images of 3,000 patients with a histological diagnosis of herniated disc, Carvi y Nievas, et al. identified a 0.4% (11 patients) incidence of unusual …

2020年7月15日 · Disc sequestration corresponds to extruded disc material that has no continuity with the parent disc and is displaced away from the site of extrusion. It is also called free disc …

On MRI, sequestered discs occurring within the central canal tend to adhere closely to the posterior cortex of the vertebral body. They may have a lentiform or round shape. When they …

MRI has proven to be an invaluable modality for diagnosing and understanding disc sequestration. Its capacity to produce high-resolution images that reflect the pathophysiology …