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Related Concept Videos

Spinal Nerves: Anatomy01:23

Spinal Nerves: Anatomy

Spinal nerves are pivotal conduits in the nervous system, bridging the central nervous system (CNS) with the peripheral nervous system (PNS). These nerves enable a complex communication network between the brain, spinal cord, and the rest of the body, facilitating sensory input, motor output, and autonomic functions.
There are 31 bilateral pairs of spinal nerves, each emerging from the spinal cord through the intervertebral foramina—openings between adjacent vertebrae. These nerves are...
Cranial and Spinal Meninges01:19

Cranial and Spinal Meninges

The cranial and spinal meninges are complex protective structures surrounding the central nervous system (CNS), consisting of the brain and spinal cord. These meninges consist of the dura mater, the arachnoid mater, and the pia mater. They protect the CNS, provide structural support, and aid in circulating cerebrospinal fluid (CSF).
Cranial Meninges
These meningeal layers cover the cranium. The dura mater is the outermost layer of cranial meninges. It is a thick and durable membrane of dense...
Spinal Cord: Gross Anatomy01:15

Spinal Cord: Gross Anatomy

The spinal cord resides within the protective confines of the vertebral column. It is the main pathway for information traveling between the brain and the body. It plays a fundamental role in nearly all bodily functions, from simple reflexes to complex motor movements. The spinal cord begins at the medulla oblongata at the base of the brainstem and extends downward, terminating at the conus medullaris near the first and second lumbar vertebrae. The spinal cord's length in adults is...
Spinal Cord: Cross-sectional Anatomy01:16

Spinal Cord: Cross-sectional Anatomy

The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
Gray Matter and its Components
Central to the gray matter is...
Spinal Cord01:26

Spinal Cord

The spinal cord, a critical component of the central nervous system, extends from the base of the brainstem to the lumbar region of the vertebral column. It is essential for maintaining physical stability and facilitating communication between the brain and peripheral parts of the body.
Spinal Cord: Information Processing01:10

Spinal Cord: Information Processing

The spinal cord is an integral hub for motor and sensory information that enables the brain to communicate with the peripheral nervous system (PNS). This communication consists of relaying sensory data and transmission of motor commands.
Sensory Information Processing
Sensory information processing begins at the sensory receptors located in the skin and other tissues, which detect somatic sensory stimuli such as touch, temperature, or pain. These receptors function as catalysts, initiating...

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Surgical Transplantation of Tumor Cells into the Spinal Cord of Mice
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[Spinal tumors].

F J Ahlhelm1, P Fries, A Nabhan

  • 1Klinik für Diagnostische and Interventionelle Neuroradiologie, Radiologische Kliniken, Universitätsklinkum des Saarlandes, 66421, Homburg, Saar. frah1@gmx.de

Der Radiologe
|August 12, 2009
PubMed
Summary
This summary is machine-generated.

Spinal tumors vary in location and type, with vertebral hemangiomas being common benign tumors and metastases, lymphoma, and myeloma being frequent malignant types. Diagnosis relies on patient age, tumor location, and imaging features.

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Area of Science:

  • Spinal oncology
  • Radiology
  • Neurosurgery

Context:

  • Spinal tumors are diverse, originating within or spreading to the spine.
  • Understanding tumor classification is crucial for diagnosis and treatment.
  • Vertebral hemangiomas are the most prevalent benign spinal tumors.

Purpose:

  • To outline the classification and common types of spinal tumors.
  • To highlight the role of imaging in diagnosing spinal lesions.
  • To emphasize key factors in the differential diagnosis of spinal masses.

Summary:

  • Spinal tumors are categorized by location: intramedullary, intradural, or extradural, or as secondary extensions.
  • Common malignant spinal tumors include metastases, lymphoma, and multiple myeloma.
  • Rare primary osseous spinal tumors often have distinct imaging characteristics.

Impact:

  • Provides a foundational understanding of spinal tumor epidemiology and classification.
  • Underscores the importance of computed tomography (CT) and magnetic resonance imaging (MRI) in diagnosis.
  • Aids clinicians in differentiating spinal tumor types based on patient demographics and lesion morphology.