In Osteoarthritis, which sign is commonly seen at the distal interphalangeal joints?

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Prepare for the CMS II Rheumatology E1 Exam with our comprehensive quiz. Study using flashcards and multiple-choice questions, each with hints and explanations. Get ready for success!

Multiple Choice

In Osteoarthritis, which sign is commonly seen at the distal interphalangeal joints?

Explanation:
In osteoarthritis, the distal interphalangeal joints commonly show Heberden's nodes. These are hard, bony enlargements at the DIP joints caused by osteophyte formation and cartilage degeneration in the joint. They’re a classic finding for OA at the fingertips. Bouchard's nodes, by contrast, occur at the proximal interphalangeal joints, not the DIP. Ulnar deviation and boutonniere deformity are more associated with inflammatory arthritis like rheumatoid arthritis or tendon injuries, not typical OA changes. So the signs at the distal interphalangeal joints in OA are Heberden's nodes.

In osteoarthritis, the distal interphalangeal joints commonly show Heberden's nodes. These are hard, bony enlargements at the DIP joints caused by osteophyte formation and cartilage degeneration in the joint. They’re a classic finding for OA at the fingertips.

Bouchard's nodes, by contrast, occur at the proximal interphalangeal joints, not the DIP. Ulnar deviation and boutonniere deformity are more associated with inflammatory arthritis like rheumatoid arthritis or tendon injuries, not typical OA changes. So the signs at the distal interphalangeal joints in OA are Heberden's nodes.

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