A case of polymyositis associated with Kawasaki disease.
We report a 3-year-old boy with proximal painful muscle weakness associated with Kawasaki disease. The muscle biopsy revealed inflammatory cell infiltration with vasculopathy. This unique coexistence of polymyositis and Kawasaki disease is quite uncommon and suggests a newly recognized complication during Kawasaki disease.
D001707:Biopsy, Needle; D002675:Child, Preschool; D006801:Humans; D008297:Male; D009080:Mucocutaneous Lymph Node Syndrome / Q000150:complications*; D009132:Muscles / Q000473:pathology*; D009220:Myositis / Q000150:complications* / Q000473:pathology