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Related Experiment Video

Updated: Jun 24, 2026

Three-Dimensional Printing of a Complex Aortic Anomaly
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Condylar jugular diverticulum.

Karthikram Raghuram1, Joel K Curé, H Ric Harnsberger

  • 1Department of Radiology, University of Alabama at Birmingham, Birmingham, AL 35249, USA. raghuramk@wvuh.com

Journal of Computer Assisted Tomography
|April 7, 2009
PubMed
Summary
This summary is machine-generated.

A rare anatomical variant, condylar jugular diverticula, extending into the occipital condyle was identified in six patients. This finding is important for accurate radiological interpretation.

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Area of Science:

  • Radiology
  • Anatomy
  • Neurosurgery

Background:

  • Anatomical variations of the skull base can present diagnostic challenges.
  • The jugular bulb is a venous structure at the skull base.
  • Diverticula are outpouchings from a hollow viscus or cavity.

Purpose of the Study:

  • To describe a previously unreported anatomical variant: internal jugular bulb diverticulum extending into the occipital condyle.
  • To highlight the importance of recognizing this variant to avoid misdiagnosis.

Main Methods:

  • Retrospective review of 6 incidentally discovered cases.
  • Computed tomography (CT) imaging was performed in all cases.
  • Magnetic resonance imaging (MRI) and magnetic resonance venography (MRV) were performed in 2 cases.

Main Results:

  • Six instances of condylar jugular diverticula were identified.
  • The diverticula appeared as defects in the occipital condyle contiguous with the jugular bulb on CT.
  • MRV confirmed venous flow within the diverticula, unrelated to a dominant transverse sinus.

Conclusions:

  • Condylar jugular diverticulum is a newly described anatomical variant.
  • Radiologists should be aware of this finding to prevent confusion with pathological lesions.
  • Accurate identification aids in surgical planning and patient management.