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Table 1 Criteria proposed by Su and Liu[6]for the diagnostic of Sweet’s syndrome

From: Ankylosing spondylitis associated with Sweet’s syndrome: a case report

Major criteria Minor criteria
· Abrupt onset of typical cutaneous lesions. · Fever < 38°C
· Histopathologic evidence of a dense neutrophilic infiltrate without evidence of leukocytoclastic vasculitis. · Association with an underlying hematological disorder, malignancy, inflammatory disease, or pregnancy, or preceded by an upper respiratory or gastrointestinal infection or vaccination.
  · Abnormal laboratory values at presentation (3 of the following 4): Erythrocyte sedimentation rate greater than 20 mm/hour, positive C-reactive protein, greater than 8000 leukocytes, and greater than 70% neutrophils.
  · Good response to systemic corticosteroids, potassium iodide, or steroids.
  1. The patient must fulfill two major and two minor criteria for the diagnosis.