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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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In Still's disease the transient cutaneous rash coinside with the fever spike. The rash is due to:
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The correct answer is  The rash in still's disease is due to neutrophil infiltration in the dermis. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 416