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3 Possible Causes for Enlarged PIP and DIP Joints

  • Spondyloepiphyseal Dysplasia

    X-ray of the hands showed periarticular osteoporosis, significant narrowing of the joint spaces of PIP and distal interphalangeal (DIP) joints and osseous enlargement of the[] Bilateral tibiofemoral and patellofemoral joint spaces were narrowed in knee radiograph and there was osseous enlargement of the tibiofemoral joints.[]

  • Carcinomatous Polyarthritis

    Deformity of any DIP/PIP Pain superior to patella, deep inside joint (medial and inferior is usually anserine bursitis) Age 50 AM stiffness Bony enlargements Crepitus Noninflammatory[] […] in 2 or more: DIP/PIP, 1 MCP 2.[] Bony enlargement of 2 DIP 3. Fewer than 3 MCP swellings 4.[]

  • Rheumatoid Arthritis

    Characteristic appearances include the boutonnière (flexion at the PIP joint and extension at the DIP joint) and swan-neck (extension at the PIP joint and flexion at the DIP[] Ankylosis of the carpal bones has occurred, with enlargement of the erosions.[] The forces of tendon imbalance and capsular contraction result in joint subluxation and malalignment.[]

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