High-resolution CT of mastoid sinus pneumocele with external auditory canal stenosis

R. Lichtenberg, Eric J Russell*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


A 34-year-old man presented with tinnitus and conductive hearing loss. CT demonstrated an expansile, air-containing cavity contiguous with mastoid air cells, narrowing the external auditory canal. This is a case of symptomatic pneumocele resulting in an air collection beneath external canal lining, possibly related to an abnormality in mastoid fusion.

Original languageEnglish (US)
Pages (from-to)1703-1706
Number of pages4
JournalAmerican Journal of Neuroradiology
Issue number8
StatePublished - Jan 1 1995


  • Mastoid, abnormalities and anomalies
  • Pneumosinus dilatans
  • Temporal bone, computed tomography

ASJC Scopus subject areas

  • Clinical Neurology
  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology


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