II. Findings: Degenerative Arthritis (Osteoarthritis)

  1. Unilateral or bilateral knee involvement
  2. Crepitation and effusion present without synovitis

III. Findings: Rheumatoid Arthritis

  1. Bilateral knee involvement
  2. Knee Effusion and synovitis present

IV. Findings: Pseudogout

  1. Commonly affects knee
  2. Acute Unilateral Knee Pain, swelling and erythema

V. Findings: Gout

  1. Occasional knee involvement

VI. Findings: Septic Arthritis

  1. Knee is most commonly affected joint

VII. Findings: Other Knee Findings

  1. Bakers Cyst (present in any type of Arthritis)
    1. Popliteal Cyst causes fullness behind knee
    2. Cyst may compress veins or lymph channels
  2. Traumatic Knee Injury

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