Dislocation of the temporomandibular joint meniscus: contrast arthrography vs. computed tomography

J. R. Thompson, E. Christiansen, Donald Sauser

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

A prospective study to determine the accuracy of computed tomography (CT) for the diagnosis of dislocation of the temporomandibular joint (TMJ) meniscus was made by performing both CT and contrast arthrography on 18 joints suspected of meniscus dislocation. Arthrography rather than surgery was chosen as the quality standard for comparing CT findings, as not all patients undergoing the studies underwent surgery. The CT protocol included scanning with both closed- and open-mouth series, 1.5-mm-thick slices, soft-tissue and bone-detail settings, and coronal and sagittal reformations. Arthrography was done with linear tomography, after both lower and upper compartmental injections under fluoroscopic control. The results of each test were reported independently by the radiologists who obtained either all of the arthrograms or all of the CT scans. For dislocation of the meniscus, there was excellent agreement between the two methods. Nine menisci were dislocated according to both arthrography and CT. One meniscus was thought to be dislocated by CT, but this was not confirmed with arthrography. CT seems to be nearly as accurate as arthrography for showing meniscus dislocation, is performed with lower x-ray exposure, and is noninvasive. Arthrography discloses more detailed information about the joint meniscus, such as perforation and maceration, and should continue to be used when this kind of information is clinically important.

Original languageEnglish (US)
Pages (from-to)747-750
Number of pages4
JournalAmerican Journal of Neuroradiology
Volume5
Issue number6
StatePublished - 1984
Externally publishedYes

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Arthrography
Temporomandibular Joint
Tomography
Joints
Meniscus
Mouth
X-Rays
Prospective Studies
Bone and Bones
Injections

ASJC Scopus subject areas

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

Cite this

Dislocation of the temporomandibular joint meniscus : contrast arthrography vs. computed tomography. / Thompson, J. R.; Christiansen, E.; Sauser, Donald.

In: American Journal of Neuroradiology, Vol. 5, No. 6, 1984, p. 747-750.

Research output: Contribution to journalArticle

Thompson, J. R. ; Christiansen, E. ; Sauser, Donald. / Dislocation of the temporomandibular joint meniscus : contrast arthrography vs. computed tomography. In: American Journal of Neuroradiology. 1984 ; Vol. 5, No. 6. pp. 747-750.
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