Related Experiment Video
Updated: May 16, 2026
05:28
A Mouse Model of Lumbar Spine Instability
Published on: April 23, 2021
Imaging features of posterior limbus vertebrae
Pei-Yu Huang1, Lee-Ren Yeh, Wen-Sheng Tzeng
1Department of Radiology, Fenglin Veterans Hospital, Taiwan. pyhung0506@yahoo.com.tw
Clinical Imaging
|November 17, 2012
Summary
Posterior limbus vertebra (PLV) can mimic disc herniation, leading to surgical errors. Analyzing imaging features of PLV is crucial for accurate diagnosis and surgical planning to avoid complications.
Area of Science:
- Orthopedics
- Neurosurgery
- Radiology
Background:
- Posterior limbus vertebra (PLV) arises from disc herniation through the posterior ring physis.
- PLV can cause spinal stenosis or be misdiagnosed as intraspinal disc herniation.
- Accurate differentiation is critical as surgical approaches differ significantly.
Purpose of the Study:
- To analyze the imaging features of posterior limbus vertebra (PLV).
- To improve preoperative diagnosis and surgical planning for PLV.
- To reduce instances of misdiagnosis and incomplete surgeries.
Main Methods:
- Retrospective analysis of imaging features.
- Inclusion of 34 patients diagnosed with PLV.
- Correlation of imaging findings with clinical presentation and surgical outcomes.
Main Results:
- Detailed description of characteristic imaging findings differentiating PLV from disc herniation.
- Identification of potential pitfalls in preoperative diagnosis.
- Documentation of cases with preoperative misdiagnosis.
Conclusions:
- Preoperative imaging analysis is essential for distinguishing PLV from intraspinal disc herniation.
- Accurate diagnosis guides appropriate surgical planning and improves patient outcomes.
- Further studies may refine imaging criteria for PLV detection.
Related Concept Videos
01:30General Structure of a Vertebra
A typical vertebra, with the exception of the sacrum and coccyx, consists of a body, a vertebral arch, and seven different projections termed processes. The anterior portion of the vertebrae, the body, supports about half the body’s weight. The vertebral bodies progressively increase in size and thickness from the cervical region to the lumbar region of the vertebral column. The intervertebral discs present between the bodies of adjacent vertebrae firmly unites them, forming a continuous column.
01:14Cranial Bones: Superior and Posterior View
The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
01:16Vertebral Column: Regions and Curvature
The vertebral column or spine is a flexible column that supports the head, neck, and body and allows for their movements. It also protects the spinal cord.
Regions of the Vertebral Column
In an adult, the spine is subdivided into five regions: the cervical, the thoracic, the lumbar, the sacral, and the coccygeal region. The spine initially develops as a series of 33 vertebrae; after 20 years of age, the nine bones in the sacral region, five sacral, and four coccygeal bones fuse to form the...
Regions of the Vertebral Column
In an adult, the spine is subdivided into five regions: the cervical, the thoracic, the lumbar, the sacral, and the coccygeal region. The spine initially develops as a series of 33 vertebrae; after 20 years of age, the nine bones in the sacral region, five sacral, and four coccygeal bones fuse to form the...
01:18Anatomy of the Brain: Ventricles
There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen. The...
01:20Anatomy of the Eyeball
The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle layer, the vascular tunic,...
01:27Muscles of the Vertebral Column
The back muscles that lie deep into the thoracolumbar fascia are called intrinsic or true back muscles. These muscles are divided into four layers: superficial, intermediate, deep, and deepest layers.
Superficial Layer:
The superficial layer consists primarily of the splenius muscles, which include the splenius capitis and splenius cervicis. These muscles are mainly responsible for the head and cervical spine movements, including extension, rotation, and lateral bending. The splenius capitis...
Superficial Layer:
The superficial layer consists primarily of the splenius muscles, which include the splenius capitis and splenius cervicis. These muscles are mainly responsible for the head and cervical spine movements, including extension, rotation, and lateral bending. The splenius capitis...