Question 1

-What are the radiographic findings of osteoarthritis of the TMJ?

Accepted Answer

A)  Subchondral osteoporosis 
B)  Abnormally smooth joint surfaces seen on CT scans 
C)  Osteophytes 
D)  Soft tissue edema and joint effusion, seen on T2 MRI 
A)  Subchondral osteoporosis 
B)  Abnormally smooth joint surfaces seen on CT scans 
C)  Osteophytes 
D)  Soft tissue edema and joint effusion, seen on T2 MRI C

Question 2

-A forward-head position cervical spine may influence the function of the TMJ because it:

Accepted Answer

A)  Decreases activity in the masseter muscle 
B)  May lead anterior disk displacement relative to the condyle 
C)  Elevates the position of the hyoid bone 
D)  May decrease the angle of the mandible 
A)  Decreases activity in the masseter muscle 
B)  May lead anterior disk displacement relative to the condyle 
C)  Elevates the position of the hyoid bone 
D)  May decrease the angle of the mandible B

Question 3

-The value of ultrasound imaging in the evaluation of the TMJ can be described in the following way:

Accepted Answer

A)  It surpasses MRI for the evaluation of disk displacement 
B)  It can show, in real time, the position of the disk and condyle throughout the range of motion 
C)  It may show the subchondral bone of the condyle 
D)  For the detection of TMJ effusion, it does not match other imaging methods 
A)  It surpasses MRI for the evaluation of disk displacement 
B)  It can show, in real time, the position of the disk and condyle throughout the range of motion 
C)  It may show the subchondral bone of the condyle 
D)  For the detection of TMJ effusion, it does not match other imaging methods B

Question 4

-How do cone beam CT (CBCT) and MRI compare for the evaluation of the temporomandibular joint (TMJ)?

Accepted Answer

A)  CBCT better demonstrates the intraarticular disk 
B)  MRI allows thinner slices 
C)  CBCT has better spatial resolution 
D)  MRI is better for evaluating cortical bone 
A)  CBCT better demonstrates the intraarticular disk 
B)  MRI allows thinner slices 
C)  CBCT has better spatial resolution 
D)  MRI is better for evaluating cortical bone

Question 5

-Refer to the figure. What is the imaging method used in this image?

Accepted Answer

A)  3D scan 
B)  CT, soft tissue window 
C)  Panoramic radiograph 
D)  Transcranial radiograph 
A)  3D scan 
B)  CT, soft tissue window 
C)  Panoramic radiograph 
D)  Transcranial radiograph

Question 6

-Refer to the figure. This is a sagittal T1 MRI of a normal TMJ, made in in full occlusion. You can see the fossa (F), articular eminence (AE), external auditory meatus (EM), and the condyle (C). What is the structure the white arrow points to?

Accepted Answer

A)  The superior head of the lateral pterygoid muscle 
B)  Articular capsule 
C)  Collateral ligament 
D)  Articular disk 
A)  The superior head of the lateral pterygoid muscle 
B)  Articular capsule 
C)  Collateral ligament 
D)  Articular disk

Question 7

-Hypermobility of the TMJ:

Accepted Answer

A)  May be present with a normal position of the articular disk relative to the condyle 
B)  Is diagnosed if the TMJ can open more than 30 mm 
C)  Can lead to impingement on the masseter muscle 
D)  May contribute to osteoarthritis 
A)  May be present with a normal position of the articular disk relative to the condyle 
B)  Is diagnosed if the TMJ can open more than 30 mm 
C)  Can lead to impingement on the masseter muscle 
D)  May contribute to osteoarthritis

Question 8

-This picture shows the articular disk (black) relative to the condyle and the articular eminence in the rest position of the TMJ. What is the position of the disk?

Accepted Answer

A)  A normal position 
B)  A phase II displacement 
C)  A normal position but abnormal shape 
D)  A nonreducible displacement 
A)  A normal position 
B)  A phase II displacement 
C)  A normal position but abnormal shape 
D)  A nonreducible displacement

Question 9

-What changes are associated with disk displacement?

Accepted Answer

A)  Bone marrow edema seen on MRI 
B)  Thinning of the posterior ligament 
C)  Adhesion of the disk to the condyle 
D)  Thickening of the collateral ligaments 
A)  Bone marrow edema seen on MRI 
B)  Thinning of the posterior ligament 
C)  Adhesion of the disk to the condyle 
D)  Thickening of the collateral ligaments

Question 10

What can you see in a transcranial lateral radiograph?

Accepted Answer

A)  Disk displacements 
B)  The shape of the articular eminence 
C)  Hyperplasia of the posterior ligament 
D)  The integrity of the articular cartilage 
A)  Disk displacements 
B)  The shape of the articular eminence 
C)  Hyperplasia of the posterior ligament 
D)  The integrity of the articular cartilage

-What are the radiographic findings of osteoarthritis of the TMJ?

-A forward-head position cervical spine may influence the function of the TMJ because it:

-The value of ultrasound imaging in the evaluation of the TMJ can be described in the following way:

-How do cone beam CT (CBCT) and MRI compare for the evaluation of the temporomandibular joint (TMJ)?

-Refer to the figure. What is the imaging method used in this image?

-Refer to the figure. This is a sagittal T1 MRI of a normal TMJ, made in in full occlusion. You can see the fossa (F), articular eminence (AE), external auditory meatus (EM), and the condyle (C). What is the structure the white arrow points to?

-Hypermobility of the TMJ:

-This picture shows the articular disk (black) relative to the condyle and the articular eminence in the rest position of the TMJ. What is the position of the disk?

-What changes are associated with disk displacement?

What can you see in a transcranial lateral radiograph?

General Principles of Musculoskeletal Imaging

Radiologic Evaluation, Search Patterns, and Diagnosis

Radiologic Evaluation of Fracture

Computed Tomography

Magnetic Resonance Imaging

Diagnostic Ultrasound

Radiologic Evaluation of the Cervical Spine

Radiologic Evaluation of the Thoracic Spine, Sternum, and Ribs

The Chest Radiograph and Cardiopulmonary Imaging

Radiologic Evaluation of the Lumbosacral Spine and Sacroiliac Joints

Radiologic Evaluation of the Pelvis and Hip

Radiologic Evaluation of the Knee

Radiologic Evaluation of the Ankle and Foot

Radiologic Evaluation of the Shoulder

Radiologic Evaluation of the Elbow

Radiologic Evaluation of the Hand and Wrist

Filters

Exam 8: Radiologic Evaluation of the Temporomandibular Joint

-What are the radiographic findings of osteoarthritis of the TMJ?

-A forward-head position cervical spine may influence the function of the TMJ because it:

-The value of ultrasound imaging in the evaluation of the TMJ can be described in the following way:

-How do cone beam CT (CBCT) and MRI compare for the evaluation of the temporomandibular joint (TMJ)?

-Refer to the figure. What is the imaging method used in this image?

-Refer to the figure. This is a sagittal T1 MRI of a normal TMJ, made in in full occlusion. You can see the fossa (F), articular eminence (AE), external auditory meatus (EM), and the condyle (C). What is the structure the white arrow points to?

-Hypermobility of the TMJ:

-This picture shows the articular disk (black) relative to the condyle and the articular eminence in the rest position of the TMJ. What is the position of the disk?

-What changes are associated with disk displacement?

What can you see in a transcranial lateral radiograph?

General Principles of Musculoskeletal Imaging

Radiologic Evaluation, Search Patterns, and Diagnosis

Radiologic Evaluation of Fracture

Computed Tomography

Magnetic Resonance Imaging

Diagnostic Ultrasound

Radiologic Evaluation of the Cervical Spine

Radiologic Evaluation of the Thoracic Spine, Sternum, and Ribs

The Chest Radiograph and Cardiopulmonary Imaging

Radiologic Evaluation of the Lumbosacral Spine and Sacroiliac Joints

Radiologic Evaluation of the Pelvis and Hip

Radiologic Evaluation of the Knee

Radiologic Evaluation of the Ankle and Foot

Radiologic Evaluation of the Shoulder

Radiologic Evaluation of the Elbow

Radiologic Evaluation of the Hand and Wrist

Filters