Kawasaki disease in a patient with Williams syndrome

What is it about?

Report about a case in which a patient with Williams syndrome developed severe coronary aneurysms due to Kawasaki disease.

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Why is it important?

Discusses key features to look for when evaluating atypical Kawasaki disease. Review possible pathophysiology behind why patients with Williams syndrome may have an increased risk for aneurysm formation if they get Kawasaki disease.