Rheumatology Flashcards
1
Q
How does avascular necrosis present?
A
Progressive hip and groin pain w/o restriction of normal range and normal radiograph on early stages.
2
Q
How to diagnose AVN
A
MRI is gold standard
3
Q
What has PAS-positive macrophages?
A
Whipple’s disease
4
Q
What does PAS stand for
A
periodic acid-Schiff
5
Q
What causes Whipple’s disease
A
Tropheryma whippeli: GPB
6
Q
Signs of whipple’s dz
A
Chronic malabsorptive diarrhea, weight loss, migratory non-deforming arthritis, lymphadenopathy, and a low-grade fever are the most common presenting symptoms.
7
Q
Does RA increase risk of septic arthritis?
A
Yes, with Staph aureus
