Arthritis Flashcards
Categories of Arthritis
inflammatory degenerative depositional/metabolic infectious neuropathic
Diffuse joint space narrowing
Marginal or central erosions
Absent or minimal subchondral sclerosis
Lack of osteophytes
Inflammatory Arthritis (RA)
Juxtaarticular osteoporosis
Periarticular soft tissue swelling
Soft tissue nodules
Articular deformities
Inflammatory Arthritis (RA)
Localized joint space narrowing (non-uniform)
Subchondral sclerosis
Osteophyte formation
Cyst or pseudocyst formation
Weight bearing side of the joint usually involved
Degenerative Arthritis (Osteoarthritis)
Marginal periarticular erosions
Overhanging edge
Lack of osteoporosis
Metabolic Arthritis (Gout)
Lobulated, asymmetric soft tissue mass
Spotty carpals
Relative preservation of articular spacing
Metabolic Arthritis (Gout)
Destruction of joint space
Joint effusion
Soft tissue swelling
Osteoporosis
Infectious Arthritis
hands:
DIPs and thumb affected
OA
hands:
MCPs, PIPs, and thumb affected
RA
hands:
proximal thumb and MCPs affected
CPPD
knee:
medial joint line and patella
OA
knee:
entire joint line and patella
RA
knee:
patella
CPPD
hip:
superior or inferior joint line
OA
hip:
entire joint line (2)
RA and CPPD