Embolic stroke, left atrial myxoma and gigantism in a patient with Carney complex with additional features suggestive of Marfan syndrome

A 16-year-old boy presented to the emergency department with a sudden weakness on the right side of the body and was diagnosed as having embolic stroke. Later on, the patient was diagnosed as having Carney complex (CNC). The neurological complication might be caused by left atrial myxoma as a feature of CNC. Surprisingly, the patient showed some additional features such as positive wrist and thumb signs, pectus carinatum deformity and plain flat feet, suggestive of Marfan syndrome. This case demonstrated that both of these syndromes might coexist in the same patient, suggesting that proper diagnostic and management were key factors that affected prognosis. He showed an improved condition after he had received medical treatments, undergone tumour excision and physiotherapy. Further evaluation was needed to improve patient outcomes.

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