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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
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Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Updated: Jan 18, 2026

Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
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Radiological assessment in cervical spine myelopathy.

Shanmuganathan Rajasekaran1, Gnanaprakash Gurusamy1, Pushpa Bhari Thippeswamy2

  • 1Department of Spine Surgery, Ganga Hospital, 313, Mettupalayam Road, Coimbatore, India.

Journal of Clinical Orthopaedics and Trauma
|January 16, 2026
PubMed
Summary
This summary is machine-generated.

Degenerative cervical myelopathy (DCM) requires advanced imaging for diagnosis and surgical planning. A multimodal approach using X-rays, CT, and MRI improves assessment of spinal cord compression and patient outcomes.

Keywords:
Cord signal changesDegenerative cervical myelopathyImagingOPLLRadiological assessment

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Area of Science:

  • Neurology
  • Radiology
  • Spinal Cord Imaging

Background:

  • Degenerative cervical myelopathy (DCM) is the leading cause of non-traumatic spinal cord dysfunction in adults.
  • It stems from conditions like cervical spondylosis, OPLL, and disc degeneration.
  • Accurate radiological evaluation is critical for diagnosis, surgical planning, and prognosis.

Purpose of the Study:

  • To review the current role of various imaging modalities in assessing DCM.
  • To highlight the strengths of different techniques in evaluating spinal cord compression and integrity.
  • To emphasize the importance of a systematic, multimodal imaging strategy.

Main Methods:

  • Review of current literature on imaging modalities for DCM.
  • Discussion of plain radiographs, CT, and MRI findings.
  • Exploration of advanced imaging techniques like DTI, MRS, and fMRI.

Main Results:

  • Plain radiographs and CT provide insights into alignment, instability, and ossification.
  • MRI is the gold standard for visualizing spinal cord compression and signal changes.
  • Advanced MRI techniques offer supplementary data on spinal cord integrity but have limited clinical use.

Conclusions:

  • A systematic and multimodal imaging approach is crucial for precise DCM diagnosis.
  • Imaging guides surgical decision-making and supports personalized treatment.
  • Optimized imaging strategies enhance patient management for cervical myelopathy.