Pseudogout Flashcards
1
Q
What is the pathophysiology of pseudogout?
A
Calcium pyrophosphate dihydrate crystals are deposited in the synovium of the joint.
2
Q
What are some risk factors for pseudogout?
A
- Hyperparathyroidism
- Hypothyroidism
- Haemochromatosis
- Acromegaly
- Low magnesium, low phosphate
- Wilson’s disease
3
Q
What is seen on miscroscopy from joint aspiration/
A
Weakly-positively bifringent rhomboid shaped crystals
4
Q
What is seen on x-ray?
A
Chondrocalcinosis
5
Q
What joints are most commonly affected?
A
Knee, wrist and shoulders
6
Q
What is the management of pseudogout?
A
- Aspiration of joint fluid - to exclude septic arthritis
- NSAIDs or intra-articular or oral steroids as for gout.
