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Pathology · Autoimmune disease: rheumatoid arthritis
Sample itemWhat destructive tissue forms over articular cartilage in rheumatoid arthritis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Pannus
Rheumatoid arthritis produces proliferative inflamed synovium called pannus, which erodes cartilage, bone, and tendons. Chronic immune activation drives joint destruction and deformity.
Option by option
A. Tophus
Tophi are deposits of monosodium urate in gout.
B. Granulation tissue only in skin
Skin granulation tissue is part of wound repair, not the joint lesion.
C. Pannus (correct)
Correct. Pannus is invasive synovial tissue in rheumatoid joints.
D. Amyloid plaque
Amyloid plaques are unrelated to RA cartilage erosion.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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