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Intraosseous ganglion

H Tanaka1, Y Araki, H Yamamoto

  • 1Department of Radiology, Rosai Hospital, Osaka, Japan.

Skeletal Radiology
|February 1, 1995
PubMed
Summary

Intraosseous ganglia, benign wrist cysts, can cause pain and appear as lucencies on X-rays. MRI reveals characteristic signal intensities, aiding diagnosis of these rare bone lesions.

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Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Pathology

Background:

  • Wrist pain is a common complaint, with various potential etiologies.
  • Scaphoid bone pathology can be challenging to diagnose due to its complex anatomy.
  • Intraosseous ganglia are rare cystic lesions within bone, often asymptomatic.

Observation:

  • A 48-year-old male presented with right wrist pain.
  • Roentgenograms revealed bilateral, symmetrical, well-demarcated lucencies in the scaphoid bones.
  • Magnetic Resonance Imaging (MRI) demonstrated homogeneous intermediate signal intensity on T1-weighted images and high signal intensity on T2*-weighted images.

Findings:

  • Histopathological analysis confirmed an intraosseous ganglion in the right scaphoid.
  • The imaging characteristics were consistent with intraosseous ganglion cysts.
  • The palmar location of these lesions is discussed in the context of their pathogenesis.

Implications:

  • This case highlights the importance of considering intraosseous ganglia in the differential diagnosis of scaphoid lucencies.
  • MRI is crucial for characterizing these lesions and differentiating them from other bone pathologies.
  • Understanding the anatomical basis for the palmar location may inform surgical approaches and management strategies.

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