Case Challenge

Head and Neck

Neuro

Temporomandibular joint (TMJ)

Temporomandibular Joint (TMJ)

Stephen J Pomeranz

Gain confidence interpreting Temporomandibular Joint (TMJ) MRI Cases w/ MRI Online. Quiz yourself using real-world, interactive scrollable cases & earn CME!

Case Review

Musculoskeletal (MSK)

Neuroradiology

Post-Course Activities

This Power Pack is comprised of 25 unique TMJ MRI cases that you can scroll through in our diagnostic web viewer to determine your findings. Quiz yourself and earn CME.

Temporomandibular Joint (TMJ) MRI Cases

Case 1 - 65-year-old female presents with chronic temporomandibular joint pain

<div>HISTORY:&#160;This 65-year-old female presents with chronic temporomandibular joint pain, left greater than right. Patient currently unable to open mouth. No history of surgery or trauma.(QUIZ ANSWER) NOT A FINDING IN THIS CASE:&#160;Right temporomandibular joint: Demonstrates subluxation / dislocation.Using the&#160;diagnostic web viewer, we have provided images that assist in telling our clinical story. Areas of significance are indicated below.FINDINGS: Right articular disc intact with normal positioning during open mouth and complete capture during closed mouth and closed mouth with wax bite images. Normal appearance of the mandibular condyle, articular eminence, and glenoid fossa. No subcortical osteoedema. No right temporomandibular joint effusion. Bilobed 1.2cm posterior capsular pseudocyst. No temporomandibular joint subluxation/dislocation. Intact superolateral and inferolateral pterygoid muscles.&#160;Left temporomandibular joint demonstrates perforation at the intermediate zone of the articular disc. Disc demonstrates anteromedial displacement on closed mouth view but recaptures on open view and closed with wax bite view. Arthropathic deformity of the mandibular condyle noted with arthropathic shallow articular eminence. No subcortical osteoedema. No joint effusion. No temporomandibular joint subluxation/dislocation. Superolateral and inferolateral pterygoid muscles on the left intact.&#160;CONCLUSION:&#160;1. Left temporomandibular joint demonstrates anteromedial displacement of the articular disc with mouth closure and disc recapture with mouth opening and recapture when biting down on wax. Associated arthropathic deformity of the articular eminence and marked arthropathic deformity of the mandibular condyle with perforation of the articular disc at its intermediate zone.&#160;2. 1.2cm posterior capsular pseudocyst emanating from the right temporomandibular joint capsule.</div>

Case

Right temporomandibular joint: Demonstrates subluxation / dislocation

Left temporomandibular joint: Demonstrates anteromedial displacement of the articular disc with mouth closure

Posterior capsular pseudocyst emanating from the right temporomandibular joint capsule

Which of the following is NOT a finding in this case?