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Jack Cush, MD

Dr. Cush is the Executive Editor of RheumNow.com and also Co-Edits the online textbook RheumaKnowledgy.com. 
  
Dr. Cush's interests include medical education, novel drug development, rheumatoid arthritis, spondyloarthritis, drug safety, and Still's disease/autoinflammatory syndromes. He has published over 140 articles and 2 books in rheumatology.
 
He can be followed on twitter: @RheumNow

Articles By Jack Cush, MD

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A Role for Plasmacytoid Dendritic Cells in Lupus

Plasmacytoid dendritic cells (pDCs) have been strongly implicated in the pathogenesis of lupus, as their primary product, type I interferon, drive systemic lupus erythematosus and cutaneous lupus erythematosus. A recent comprehensive review synthesizes the available data on pDCs, and, importantly, what we still don't know.

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Early GI Involvement Predictive of Scleroderma Outcomes

Rheumatology has published a cohort study showing that earlyGI symptoms and overall symptom burden predict both GI progression and mortality in Systemic Sclerosis (SSc).

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Immune-Mediated Inflammatory Diseases Following Uveitis

A Korean insurance claims data study showed children and adolescents diagnosed with uveitis have a 7-fold increased risk of developing an immune-mediated inflammatory disorder (IMID).

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Does Exercise and Lifestyle Modification Improve RA?

Does exercise or lifestyle modifications reduce the risk of getting rheumatoid arthritis (RA) or change those with early RA?

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ABA versus HCQ in Palindromic Rheumatism

Palindromic rheumatism may develop rheumatoid arthritis (RA) and could be an at-risk population. A pilot trial compared abatacept (ABA) versus hydroxychloroquine and demonstrated ABA reduces RA development in a 2 year study. 

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Multicentric reticulohistiocytosis

Update on Multicentric Reticulohistiocytosis

Have you ever seen multicentric reticulohistiocytosis? Don't worry, it's a rare non-Langerhans cell histiocytosis condition, characterized by papulonodular skin lesions and symmetric erosive polyarthritis, and has only been described in fewer than 500 cases reported worldwide.

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Infectious Rheumatology (5.15.2026)

Dr. Jack Cush discusses his favorite journal articles from the past week on RheumNow.com.

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Fatigue in SLE

An NIH lupus cohort study looked at fatigue in SLE and found associations with organ damage, obesity, but does not correlate with disease activity in systemic lupus erythematosus (SLE) patients.

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Another IL-17A inhibitor (Vunakizumab) for active Ankylosing Spondylitis

Vunakizumab, a novel anti–interleukin (IL) 17A monoclonal antibody, was studied in patients with active radiographic axial spondyloarthritis [r-axSpA] and found to be effective and

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EGPA Review

A current review of eosinophilic granulomatosis with polyangiitis (EGPA) provides current recommendations on diagnosis and management.

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