Bouchard's nodes

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An overview of Bouchard's nodes, their clinical significance, and related conditions


Overview[edit | edit source]

Illustration of Bouchard's nodes on the proximal interphalangeal joints

Bouchard's nodes are bony enlargements of the proximal interphalangeal joints (PIP) of the fingers. They are a clinical feature commonly associated with osteoarthritis, a degenerative joint disease characterized by the breakdown of joint cartilage and underlying bone. Bouchard's nodes are named after the French pathologist Charles-Joseph Bouchard.

Pathophysiology[edit | edit source]

Bouchard's nodes form as a result of osteophyte development at the PIP joints. Osteophytes, or bone spurs, are bony projections that form along joint margins. In osteoarthritis, the cartilage that cushions the joints wears down over time, leading to increased friction and the formation of osteophytes. This process results in the characteristic swelling and deformity seen in Bouchard's nodes.

Clinical Significance[edit | edit source]

Bouchard's nodes are an important clinical sign in the diagnosis of osteoarthritis. They are often accompanied by Heberden's nodes, which occur at the distal interphalangeal joints (DIP). The presence of these nodes can help differentiate osteoarthritis from other forms of arthritis, such as rheumatoid arthritis, which typically affects the metacarpophalangeal joints (MCP) and does not usually present with Bouchard's nodes.

Symptoms[edit | edit source]

Patients with Bouchard's nodes may experience:

  • Joint pain and stiffness
  • Swelling and tenderness at the PIP joints
  • Reduced range of motion
  • Visible deformity of the fingers

Diagnosis[edit | edit source]

The diagnosis of Bouchard's nodes is primarily clinical, based on the physical examination of the hands. Radiographic imaging can confirm the presence of osteophytes and joint space narrowing, which are indicative of osteoarthritis.

Management[edit | edit source]

Management of Bouchard's nodes focuses on alleviating symptoms and improving joint function. Treatment options include:

  • Nonsteroidal anti-inflammatory drugs (NSAIDs) for pain relief
  • Physical therapy to maintain joint mobility
  • Splinting to support the affected joints
  • In severe cases, surgical intervention may be considered

Related Conditions[edit | edit source]

Related pages[edit | edit source]

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Contributors: Prab R. Tumpati, MD