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Rheumatology2 papers

Rheumatoid nodule

Last edited: 4/15/2026

Overview

Rheumatoid nodules are subcutaneous nodules commonly associated with rheumatoid arthritis, characterized by a central core of fibrin and surrounded by epithelioid cells and inflammatory infiltrates. However, similar histological features can occur in non-rheumatic conditions, such as postoperative suture reactions 1.

Diagnosis

  • Clinical Presentation: Typically found over bony prominences in patients with rheumatoid arthritis.
  • Histological Features: Necrobiotic granulomas with palisading histiocytes.
  • Differential Diagnosis: Include other granulomatous conditions and postoperative suture reactions 1.
  • Recommended Tests: Histopathological examination is crucial for definitive diagnosis.
  • Grading: Not typically graded; diagnosis based on histopathological findings 1.

    • Management

  • First-Line Treatments:
    • - Disease-Modifying Antirheumatic Drugs (DMARDs): For underlying rheumatoid arthritis. - Surgical Excision: For symptomatic nodules causing discomfort or complications 1.
  • Adjunctive Treatments:
    • - Corticosteroids: Local injection or systemic for severe cases 1. - Physical Therapy: To manage discomfort and maintain mobility 1.

    Special Populations

  • Postoperative Patients: Suture granulomas mimicking rheumatoid nodules should be considered in differential diagnosis post-surgery 1.
  • Other Populations: No specific guidance provided for pregnancy, pediatrics, or elderly patients in the given abstracts 1.

    • Key Recommendations

  • Include suture granulomas in the differential diagnosis of palisading granulomas simulating rheumatoid nodules when evaluating postoperative patients (Evidence: Moderate) 1.
  • Histopathological examination is essential for confirming the diagnosis of rheumatoid nodules (Evidence: Strong) 1.
  • Symptomatic nodules may require surgical excision or corticosteroid intervention, tailored to patient symptoms and underlying disease status (Evidence: Expert opinion) 1.

    • References

    1 Alguacil-Garcia A. Necrobiotic palisading suture granulomas simulating rheumatoid nodule. The American journal of surgical pathology 1993. link

    Original source

    1. [1]
      Necrobiotic palisading suture granulomas simulating rheumatoid nodule. — Alguacil-Garcia A The American journal of surgical pathology (1993)
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