Radiology VTL - Arthritis and other Bone Pathologies Flashcards
1
Q
What are the radiographic features of osteoarthritis? (LOSS)
A
- Loss of joint space
- Osteophytes
- Subchondral scelrosis
- Subchondral cysts
2
Q
What are the radiographic and clinical features of rheumatoid arthritis?
A
- Loss of joint space
- Mild subarticular sclerosis
- Lack of osteophytes
- Rheumatoid nodules
- Soft tissue swelling
- Synovitis
- Effusion
- Bone marrow oedema
- Erosions, cysts
- Symmetrical disease
- MCP ulnar deviation
3
Q
What are the radiographic and clinical features of psoriatic arthritis?
A
- Skin and nail changes
- DIP joints of hands>feet
- Pencil cup deformity
- Resorption of distal phalanges
4
Q
What are the radiographic and clinical features of reactive arthritis (Reiter’s syndrome)?
A
- Urethritis, arthritis (50%), conjunctivitis
- Periostitis, encephalopathy
- Lower limb, sacroiliac joint
- 1-3 weeks after infection
5
Q
What are the radiographic and clinical features of Paget’s disease?
A
- Monostotic or polystotis
- Raised ALP
- Blade of grass sign on X-ray
6
Q
What are the radiographic and clinical features of CPPD?
A
- Idiopathic or associated with hyperparathyroidism or haemochromatosis
- Symmetrical
- Similar to OA but unusualy distribution
- Calcification of articular cartilage (wrist, knee, hip, shoulder)
- Tender, swollen, red
7
Q
What are the radiographic and clinical features of infectious arthritis?
A
- Destruction of cartilage and cortex
- Tends to affect one joint
- Fingers from bites, feet in diabetes
- Soft tissue swelling
- Destruction of cartilage/bone
- Rapid loss of joint space
- Periosteal reaction
- Osteoporosis
- Later subluxation, OA, fusion
8
Q
What are the radiographic and clinical features of ankylosing spondylitis?
A
- Low back pain
- Stiffness
- HLA B27 positive
- Bilateral sacro-iliitis (symmetrical)
- Squaring of vertebral bodies
- Bamboo spine
- Peripheral large joint arthritis
9
Q
What are the radiographic and clinical features of gout?
A
- Sodium urate crystal induced synovial inflammation
- Asymmetrical and monoarticular
- Foot (1st MTP joint)
- Knee, hand and elbow
- Olecranon bursitis common
- Para-articular arosions
- Soft tissue mass
