Differentiating Castleman Disease from Systemic Lupus Erythematosus: The Critical Role of Diagnostic Awareness in Autoimmune Look-Alikes - Takeaways - MDSpire

Differentiating Castleman Disease from Systemic Lupus Erythematosus: The Critical Role of Diagnostic Awareness in Autoimmune Look-Alikes

  • By

  • Chao-Chieh Cheng

  • Ruo-Han Chin

  • Po-Cheng Shih

  • Su-Boon Yong

  • Chia-Jung Li

  • March 26, 2026

  • 0 min

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  • 1

    Castleman disease (CD) can mimic systemic lupus erythematosus (SLE) due to overlapping symptoms like fever, lymphadenopathy, and cytopenias.

  • 2

    Autoantibodies in some CD patients can complicate diagnosis, leading to potential misclassification as SLE.

  • 3

    Lymph node histopathology is crucial for accurate diagnosis, distinguishing CD from SLE when serologic tests are inconclusive.

  • 4

    iMCD requires cytokine-targeted therapy, contrasting with SLE's reliance on immunosuppressive treatments.

  • 5

    Increased awareness of the diagnostic overlap between CD and SLE can improve patient outcomes and prevent inappropriate treatments.

Original Source(s)

Differentiating Castleman Disease from Systemic Lupus Erythematosus: The Critical Role of Diagnostic Awareness in Autoimmune Look-Alikes

  • by Chao-Chieh Cheng, Ruo-Han Chin, Po-Cheng Shih, Su-Boon Yong, Chia-Jung Li

  • March 26, 2026

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