Imaging of inflamed joints Flashcards
WHich joints of the hand does rheumatoid arthritis affect?
Wrists and metacarpo-phalangeal joints (symmetrical)
Which joints of the hand does osteoarthritis affect?
Distal and proximal interphalangeal joints, basal metacarpal joint of thumb (symmetrical)
What joints does psoriatic arthritis affect?
Distal and proximal interphalangeal joints (Asymmetrical)
What joints does crystal arthritis affect?
2nd and 3rd metacarpophalangeal joints, and radiocarpal joint.
WHat are some of the radiographic signs of inflammatory arthritis?
Soft tissue swelling, juxta-articular osteoporosis, marginal erosions progressinf to central erosion, and then ulnar deviation
What is the definition of erosion with regard to bone
A hole in bone with no roof
What are the radiographic signs of osteoarthritis?
Osteophytes, joint space loss, subchondral sclerosis, and subchondral sclerosis
What is the definition of a subchondral cyst
A hole in bone covered by a roof.
Is the joint space narrowing in osteoarthritis uniform
No it is asymmetrical
Is the joint space in inflammatory diseases such as RA uniform
yes
Do inflammatory arthritides have osteophytes
no