Calcium pyrophosphate deposition Flashcards
(7 cards)
1
Q
what are the crystals seen in gout made of
A
monosodium urate
2
Q
what are the crystals seen in pseudogout made of
A
calcium pyrophosphate
3
Q
what are four risk factors of CPPD
A
old age
hyperparathyroidism
haemochromatosis
hypophosphataemia
4
Q
how does acute CPPD usually present
A
acute monoarthropathy, usually of larger joints in the elderly
usually spontaneous but can be provoked by illness/surgery/trauma
5
Q
how do you manage acute CPPD
A
- cool packs
- rest
- aspiration
- intra-articular steroids
6
Q
what do you see on light microscopy of synovial fluid in CPPD
A
weakly +ve bifringement crystals
7
Q
how can you PREVENT acute attacks in CPPD
A
NSAIDs + PPI +/- colchicine
