[MR tomographic diagnosis of internal derangement of the temporomandibular joint].
On the basis of MR imaging studies in 150 temporomandibular joints (TMJ) a classification system for internal derangement of the TMJ was defined. Clinically, internal derangement is characterized by disc displacement and disorders of the mandibular condyle. MR imaging enables a differentiation of early stages (I,II) with disc displacement, the intermediate stage (III), and the later stages (IV,V) with osseous destruction. Optimal diagnostic results (n = 140) allowed the use of proton-density sequences in both open and closed joint positions (TR/TE = 1000/28). Dynamic imaging of the TMJ was performed using fast-gradient echo sequences and a self-developed hydraulic opening device (n = 20). MR imaging has proved to be the method of choice for the pre- and post-therapeutic evaluation of internal derangement of the TMJ.
Vogl
T J
TJ
Radiologische Klinik Innenstadt, Universität, München.
Eberhard
D
D
Randzio
J
J
Schmid
C
C
Lissner
J
J
D000328:Adult; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D011446:Prospective Studies; D013706:Temporomandibular Joint Dysfunction Syndrome / Q000145:classification / Q000175:diagnosis* / Q000453:epidemiology
KST-Diagnostik des "internal derangement" des Temporomandibulargelenkes.