Intrapericardial bronchogenic cysts have the same gross appearance and clinical manifestations as intrapericardialteratomas (187,192,194,195,199). These two intrapericardial tumors can be differentiated only by histologicexamination. Intrapericardial bronchogenic cysts consist predominantly of respiratory and gastrointestinal tissue.They do not have the neuronal tissue elements that can be found in intrapericardial teratomas (187,192,194). Thetrue incidence of intrapericardial teratomas remains somewhat unclear because earlier reports may have includedintrapericardial bronchogenic cysts (187,192).
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