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A rapidly destructive amyloid arthropathy associated with myeloma

L P Robertson1, C W Hutton, S Freeman

  • 1Derriford Hospital, Derriford Rd., Plymouth, PL6 8DH, United Kingdom.

Journal of Clinical Rheumatology : Practical Reports on Rheumatic & Musculoskeletal Diseases
|December 17, 2008
PubMed

Insights

This case study highlights a rare, rapidly destructive amyloid arthropathy in a multiple myeloma patient. Amyloidosis can cause severe joint destruction, often mistaken for rheumatoid arthritis.

Area of Science:

  • Rheumatology
  • Hematology
  • Oncology

Background:

  • Amyloid arthropathy is a recognized complication of multiple myeloma.
  • It can mimic rheumatoid arthritis (RA) with symmetrical joint swelling.
  • Radiological findings may include bone cysts, but joint space is typically preserved.

Purpose of the Study:

  • To describe a rare, aggressive form of amyloid arthropathy in a patient with multiple myeloma.
  • To discuss the clinical and radiological features of this destructive joint disease.
  • To consider the potential for amyloidosis to cause more severe arthritis than commonly recognized.

Main Methods:

  • Case report of a 53-year-old male with multiple myeloma.
  • Description of the development and progression of joint disease.
  • Review of clinical presentation, treatment response, and radiological findings.

Main Results:

  • The patient presented with rapidly destructive amyloid arthropathy within months of myeloma diagnosis.
  • The myeloma was aggressive and partially responsive to treatment, potentially influencing arthritis severity.
  • Arthritis showed minimal improvement with chemotherapy; intraarticular corticosteroids provided some symptomatic relief.
  • Unusual features included inflammatory elbow arthritis and soft tissue calcification.

Conclusions:

  • Amyloid arthropathy can present as a rapidly destructive arthritis in multiple myeloma.
  • This condition can be challenging to distinguish from rheumatoid arthritis.
  • Amyloidosis may be responsible for more severe joint destruction than previously understood, warranting consideration when other causes are excluded.

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