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Long-segment intramedullary spinal dermoid.

N C Sharma1, Tushar Chandra, Anshu Sharma

  • 1Department of Radiodiagnosis, R.N.T. Medical College and Associated Group of Hospitals, Udaipur (Rajasthan) 313 001, India.

The Indian Journal of Radiology & Imaging
|November 3, 2009
PubMed
Summary
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A large intramedullary mass in a 30-year-old man was diagnosed as an intramedullary dermoid. Imaging revealed characteristic fat and calcification within the spinal cord lesion.

Area of Science:

  • Neurology
  • Radiology
  • Neurosurgery

Background:

  • Intramedullary spinal cord masses are rare and can present with diverse imaging characteristics.
  • Dermoid tumors are congenital tumors that can occur within the central nervous system.

Observation:

  • A 30-year-old male presented with a large intramedullary lesion spanning most of the spinal cord.
  • The lesion demonstrated hyperintensity on T1-weighted and T2-weighted MRI sequences.
  • Fat-saturation imaging showed signal suppression, indicating the presence of fat.

Findings:

  • Noncontrast computed tomography (CT) confirmed fat and calcification within the lesion.
  • These imaging features are consistent with an intramedullary dermoid tumor.

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Implications:

  • Early and accurate diagnosis of intramedullary dermoid tumors is crucial for effective management.
  • Understanding the characteristic imaging findings aids in differentiating dermoid tumors from other spinal cord lesions.
  • This case highlights the importance of correlating MRI and CT findings for definitive diagnosis.