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Related Experiment Videos

Pathologic vertebral compression in spinal malignancy secondary to intervertebral disk expansion.

M J White1, J R Jinkins

  • 1Neuroradiology Section, University of Texas Health Science Center, San Antonio 78284-7800.

Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society
|September 1, 1991
PubMed
Summary

Intervertebral disk expansion is more common in spinal malignancy than in benign conditions like osteoporosis. This finding suggests underlying pathological changes in vertebral bodies due to cancer.

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Area of Science:

  • Radiology
  • Oncology
  • Orthopedics

Background:

  • Intervertebral disk changes can occur in various spinal conditions.
  • Spinal malignancy can affect vertebral body integrity.
  • Differentiating neoplastic from non-neoplastic disk changes is clinically important.

Purpose of the Study:

  • To analyze the magnetic resonance (MR) imaging appearance of intervertebral disks in patients with spinal malignancy.
  • To compare the incidence of disk expansion in spinal malignancy versus benign conditions.

Main Methods:

  • Retrospective analysis of MR imaging in 17 patients with spinal malignancy.
  • Comparison with an age-matched control group with benign conditions (osteoporosis).
  • Assessment of disk expansion and vertebral body involvement.

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Main Results:

  • Disk expansion was observed in 20% of visualized disks in patients with spinal malignancy.
  • Malignant involvement of vertebral bodies was present in 77% of cases.
  • Disk expansion occurred in only 2% of the control group with benign conditions.

Conclusions:

  • A higher incidence of intervertebral disk expansion is associated with osseous vertebral malignancy.
  • While disk expansion can be seen in non-neoplastic conditions, its increased frequency in malignancy reflects underlying pathological changes.
  • Disk expansion in spinal malignancy may indicate the severity of neoplastic changes.