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Spinal Nerves: Anatomy01:23

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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.
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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.
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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
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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...
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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Related Experiment Video

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Spine Anatomy Imaging: An Update.

Amirali Modir Shanechi1, Matthew Kiczek1, Majid Khan1

  • 1Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Phipps B100, Baltimore, MD 21287, USA.

Neuroimaging Clinics of North America
|November 4, 2019
PubMed
Summary
This summary is machine-generated.

Spinal MR imaging excels at detailing spinal anatomy, including discs and bone marrow, while CT is better for bone structures. Advancements enhance MR imaging

Keywords:
CT myelographyNormal spinal anatomySpinal CTSpinal MR imagingSpinal anatomy

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Area of Science:

  • Radiology
  • Medical Imaging
  • Spinal Anatomy

Background:

  • Spinal MR imaging provides detailed visualization of intraspinal contents, neural foramina, joints, ligaments, intervertebral discs, and bone marrow.
  • CT is superior for imaging cortical bony structures of the spine.
  • Conventional and CT myelography serve as alternatives for patients with MR imaging contraindications or for evaluating cerebrospinal fluid leaks.

Purpose of the Study:

  • To highlight the capabilities of spinal MR imaging in anatomical detail.
  • To discuss the role of CT and myelography in spinal imaging.
  • To address potential imaging artifacts and the expanding role of advanced MR imaging.

Main Methods:

  • Review of spinal MR imaging techniques and applications.
  • Comparison with CT and myelography for spinal evaluation.
  • Discussion of artifact identification and mitigation in spinal imaging.

Main Results:

  • Spinal MR imaging offers excellent detail of soft tissues and intraspinal contents.
  • CT provides superior resolution for bony structures.
  • Artifacts like motion and flow must be differentiated from actual lesions.

Conclusions:

  • Spinal MR imaging is a powerful tool for delineating normal and abnormal spinal anatomy.
  • Advanced MR imaging techniques are expanding its diagnostic utility.
  • Understanding the strengths of different imaging modalities is crucial for accurate spinal diagnosis.