Crystal Induced Synovitis Flashcards
1
Q
Gout vs pseudogout birefringence
A
Gout = negative Pseudogout = positive
2
Q
Treatment of pseudogout
A
NSAIDs
Steroids
Colchicine
3
Q
What medications are used to treat acute and chronic attacks of gout?
A
Acute = colchicine, Indomethacin, steroids Chronic = allopurinol, probenecid
4
Q
Gout vs pseudogout: which is more likely to be monoarticular and which is more symmetric?
A
Gout = monoarticular Pseudogout = symmetric
5
Q
Radiologic findings of gout vs pseudogout
A
Gout = bony erosions near the tophi Pseudogout = punctate lines in the articular hyaline or fibrocartilage tissue
6
Q
Most common joint involved in pseudogout
A
Knee
7
Q
Crystals seen in gout vs pseudogout
A
Gout = monosodium urate crystals Pseudogout = calcium pyrophosphate dihydrate
8
Q
What medications can exacerbate a gouty attack?
A
ASA and thiazides
9
Q
What 6 systemic diseases is pseudogout associated with?
A
"HA! 3-hypos and hyper" Hemochromatosis Amyloidosis Hypothyroidism Hyperparathyroidism Hypomagnesemia Hypophosphatemia
10
Q
MOA of allopurinol vs probenecid
A
Allopurinol = decreases synthesis of Uric acid Probenecid = increases secretion of uric acid
11
Q
Which one shows more WBCs in joint aspirate: gout or pseudogout?
A
Gout - 15-25,000 WBCs