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Sweet’s Syndrome. David Deneau MD Acute Neutrophilic Dermatosis (Sweet RD. Br. J. Dermatol.1964; 76:349-56). Sweet’s Syndrome. Sweet’s Syndrome. Sweet’s Syndrome. Sweet’s Syndrome. Sweet’s Syndrome. Sweet’s Syndrome. Sweet’s Syndrome. Sweet’s Syndrome. Clinical Features
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Sweet’s Syndrome David Deneau MD Acute Neutrophilic Dermatosis (Sweet RD. Br. J. Dermatol.1964; 76:349-56)
Sweet’s Syndrome Clinical Features • Tender to painful red plaques face, hands, arms, upper trunk • Acute onset • Frequently associated with; PMN leucocytosis Fever Arthralgias Malaise
Sweet’s Syndrome Histology • Diffuse neutrophilic infiltrate in upper dermis • Leucocytoclasis • Without evidence of primary leucocytoclastic vasculitis
Sweet’s Syndrome Associated Disorders 50% cases are idiopathic 50% may be associated with underlying disease • Malignancy (20 – 25%) Leukemia Lymphoma Carcinomas
Sweet’s Syndrome Associated Disorders, (continued) • Infection: Streptococcal URI Yersinial GI infection • Pregnancy • Inflammatory Bowel Disease
Sweet’s Syndrome Associated Disorders (continued) • Drug Reactions: G-CSF Minocycline Trimethoprim – Sulfamethoxazole all – trans Retinoic Acid Oral Contraceptives
Sweet’s Syndrome Treatment • Systemic corticosteroids Usually dramatic response 4-6 week tapering course Relapse may occur • Colchicine May be effective in mild disease
Sweet’s Syndrome Treatment (continued) • Potassium iodide • Indomethacin • Dapsone • Cyclosporine • Tetracycline type antibiotics