Which joints are commonly affected by pseudogout?

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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

Which joints are commonly affected by pseudogout?

Explanation:
Pseudogout comes from calcium pyrophosphate crystals depositing in articular cartilage, triggering an acute inflammatory arthritis. The pattern of joints involved helps distinguish it from other crystal arthropathies. The hands can be affected, and among the hand joints, the second and third metacarpophalangeal joints are a commonly involved site in CPPD presentations. This makes the second and third MCP joints a useful clue toward pseudogout, since other conditions like gout tend to hit different joints (for example, gout classically targets the first MTP). So, recognizing involvement of the second and third MCP joints supports the diagnosis of pseudogout.

Pseudogout comes from calcium pyrophosphate crystals depositing in articular cartilage, triggering an acute inflammatory arthritis. The pattern of joints involved helps distinguish it from other crystal arthropathies. The hands can be affected, and among the hand joints, the second and third metacarpophalangeal joints are a commonly involved site in CPPD presentations. This makes the second and third MCP joints a useful clue toward pseudogout, since other conditions like gout tend to hit different joints (for example, gout classically targets the first MTP). So, recognizing involvement of the second and third MCP joints supports the diagnosis of pseudogout.

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