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Related Concept Videos

Bone Disorders01:29

Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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Spinal Cord01:26

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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.
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Secondary Spinal Cord Injury llI: Pathophysiology01:25

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Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
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Spongy Bone01:09

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All bones comprise an outer layer of compact bone, and an interior made up of spongy bone tissue, also called cancellous or trabecular bone. In long bones, spongy bone tissue is mainly found in the interior of the epiphyses (broad ends of the bone).
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Spinal Cord: Cross-sectional Anatomy01:16

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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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Related Experiment Video

Updated: May 6, 2026

Intratibial Osteosarcoma Cell Injection to Generate Orthotopic Osteosarcoma and Lung Metastasis Mouse Models
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Intratibial Osteosarcoma Cell Injection to Generate Orthotopic Osteosarcoma and Lung Metastasis Mouse Models

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Spinal osteosarcoma.

P Katonis1, G Datsis, A Karantanas

  • 1Department of Orthopaedics, University Hospital, University of Crete, Heraklion, Greece.

Clinical Medicine Insights. Oncology
|November 2, 2013
PubMed
Summary

Spinal osteosarcoma, a rare bone cancer subtype, often presents with pain and neurological deficits. Early diagnosis and aggressive treatment, including surgery and adjuvant therapies, are crucial for managing this complex genetic tumor.

Keywords:
imaging/diagnosisosteosarcomaprimary tumorsspine

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Area of Science:

  • Orthopedics
  • Oncology
  • Pathology

Background:

  • Osteosarcoma is the second most common primary bone tumor.
  • Spinal osteosarcoma is a rare manifestation, accounting for 3%-5% of all osteosarcomas.
  • This subtype frequently causes pain and neurological deficits.

Purpose of the Study:

  • To provide a comprehensive overview of spinal osteosarcoma.
  • To outline histopathological classification, epidemiology, and diagnostic procedures.
  • To discuss current management strategies for spinal osteosarcoma.

Main Methods:

  • Review of histopathological classification.
  • Epidemiological data analysis.
  • Summary of diagnostic procedures.
  • Evaluation of current treatment concepts.

Main Results:

  • Spinal osteosarcoma is characterized by significant genetic complexity.
  • Pain and neurological deficits are predominant symptoms.
  • Early diagnosis and surgical staging are critical for management.
  • En-block tumor removal with adjuvant therapy is the preferred treatment.
  • Prognosis remains guarded despite advancements.

Conclusions:

  • Spinal osteosarcoma requires a multidisciplinary approach.
  • Timely diagnosis and comprehensive management are essential.
  • Further research into genetic factors may improve outcomes.