Dehiscent temporomandibular joint

Jane L. Weissman, Barry E. Hirsch, Kenny Chan, Ellen K. Tabor, Hugh D. Curtin

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


The appearance of an acute effusion in a well-pneumatized temporal bone directs attention to the nasopharynx and skull base. Two patients are described in whom dehiscence of the temporomandibular joint allowed herniation of the contents of the joint posteromedially, where they obstructed the middle ear entrance of the eustachian tube, the protympanum. This is, to the authors' knowledge, a previously unreported cause of an acute middle ear and mastoid effusion.

Original languageEnglish (US)
Pages (from-to)211-213
Number of pages3
Issue number1
StatePublished - Jul 1991
Externally publishedYes


  • Joints, abnormalities, 244.78
  • Joints, temporomandibular, 244.78

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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