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Vessicular Rashes. | Etiology | Description |
Scarlet fever | Group A Streptococcus | Second disease. Diffuse blanchable erythema beginning on face and spreading to trunk; "sandpaper" skin; red "strawberry" tongue; desquamation. |
Kawasaki disease | Idiopathic causes | Fissuring of lips, strawberry tongue; conjunctivitis; edema of hands, feet; desquamation later in disease |
Toxic shock syndrome | S. aureus | Diffuse erythema; pronounced erythema of mucosal surfaces, conjunctivitis; desquamation 7–10 d into illness |
Scalded-skin syndrome | S. aureus, | Diffuse tender erythema, often with bullae and desquamation; Nikolsky's sign |
Varicella | Varicella-zoster virus | Chickenpox. Macules papules vesicles, on an erythematous base; pustules then forming and crusting; lesions appearing in crops; |
Ecthyma gangrenosum | Pseudomonas | Indurated plaque hemorrhagic bulla; eschar formation; erythematous halo; axillary, groin, perianal. |
Acute meningococcemia | N. meningitidis | Petechiae; numerous, enlarging and vesicular; trunk, extremities; purpura fulminans reflecting DIC |
TTP | Idiopathic causes | Petechiae. Fever, hemolytic anemia, thrombocytopenia, neurologic and renal dysfunction; coagulation studies normal. |
Category: Dermatology Notes
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