Monday, April 21, 2014

Difference between kawasaki and scarlet fever

Kawasaki disease include: (mucocutaneous lymph node syndrome)


Definition : Kawasaki disease is a vasculitis of medium-sized arteries that affects very young children (usually 12-24 months of age).

cause is unknown

Features:
1. Fever more than 5 days - even after aspirin
2. Bilateral conjunctivitis
3. Lymphadenopathy
4. Cutaneous involvement
1. Oropharyngeal: Erythema of the palatine mucosa, fissured erythematous lips, “strawberry” tongue
2. Peripheral extremities: Edema of hands and feet, erythema of palms and soles, desquamation of the fingertips (periungual)
3. Generalized rash: Polymorphous (usually urticarial) erythematous rash beginning on the extremities and moving to the trunk (centri petal spread)

Complication: Formation of coronary artery aneurysms is the most serious complication of Kawasaki disease.

Scarlet fever : 

Causes : Streptococcus pyogenes (group A streptococci) --Toxigenic

Features:

scarlet rash with Sand paper like texture ,circumoral pallor.



Tonsillar exudates, Spares the palms and soles

Complication: Septic complications

Aspirin helps to reduce fever , Amoxicillin and throat culture

Similarity : ''Strawberry tongue''

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