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Background: 20-40% of patients with rheumatoid arthritis (RA) present an extra-articular manifestation (EAM) and 1-20% a severe EAM, with an increased risk of death (> 2 times). The associated lesions are: 27.5% rheumatoid nodules, and 0.

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Article Synopsis
  • - Rheumatoid arthritis (RA) is a chronic autoimmune disease that primarily affects joints but can also lead to skin issues, with rheumatoid nodules being the most common skin manifestation in 20-30% of affected individuals.
  • - Palisaded neutrophilic granulomatous dermatitis (PNGD) is a less common skin condition that can occur in RA patients, characterized by red, itchy bumps on the skin that are difficult to distinguish from rheumatoid nodules without a biopsy.
  • - A 71-year-old woman with RA developed PNGD, emphasizing the need for collaboration between rheumatology and dermatology for proper diagnosis and effective treatment, which may include corticosteroids and managing the underlying RA.
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Palisaded neutrophilic and granulomatous dermatitis (PNGD) is an inflammatory cutaneous disorder of unknown etiology that typically occurs in association with systemic disease. Rheumatoid arthritis and systemic lupus erythematosus are the most common associated diseases. PNGD manifests as skin-colored to erythematous papules and plaques, mainly on the extremities.

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Pyoderma Gangrenosum: A Presenting Feature of Rheumatoid Arthritis.

Cureus

July 2024

Dermatology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pune (Deemed to Be University), Pune, IND.

Article Synopsis
  • Pyoderma gangrenosum (PG) is a rare inflammatory disorder with diverse symptoms and is often linked to conditions like inflammatory bowel disease.
  • A case study of a 65-year-old woman revealed PG manifested as multiple ulcers on her body, leading to further examination for underlying causes.
  • The diagnosis of rheumatoid arthritis (RA) was established through testing, highlighting that many patients with PG may have undiagnosed RA, especially when they seek help for ulcers on their lower limbs.
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