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Related Experiment Videos

Lateral sinus thrombosis and computed tomography: the empty delta sign.

F W Albers1

  • 1Department of Otorhinolaryngology, University Hospital Utrecht, The Netherlands.

ORL; Journal for Oto-Rhino-Laryngology and Its Related Specialties
|January 1, 1991
PubMed
Summary

This case study highlights lateral sinus thrombosis diagnosis using computed cranial tomography, which revealed the characteristic empty delta sign. This imaging finding is crucial for identifying cerebral sinovenous thrombosis.

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Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Lateral sinus thrombosis, a serious condition, can present with varied symptoms.
  • Accurate and timely diagnosis is critical for effective patient management.
  • Cerebral sinovenous thrombosis (CSVT) encompasses thrombosis in the brain's venous sinuses.

Observation:

  • A patient case with lateral (sigmoid) sinus thrombosis is presented.
  • Diagnosis was confirmed via contrast-enhanced computed cranial tomography (CECT).
  • The characteristic 'empty delta sign' was observed on CECT.

Findings:

  • The empty delta sign is a specific indicator of cerebral sinovenous thrombosis.
  • CECT can reveal both specific and nonspecific abnormalities in CSVT.

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  • Detailed analysis of CT findings aids in diagnosing CSVT.

    • Implications:

    • This case underscores the importance of CECT in diagnosing lateral sinus thrombosis.
    • Recognizing the empty delta sign improves diagnostic accuracy for CSVT.
    • Understanding CT abnormalities enhances the management of sinovenous occlusive disease.