Right to left intracardiac shunt: a unique presentation of metastatic cardiac disease.
A 54 year old man presented with signs and symptoms of severe hypoxemia. He had a history of a nasopharyngeal epidermoid carcinoma that was thought to have been totally eradicated 2 years earlier. He was found to have a right to left interatrial shunt through a patent foramen ovale due to tricuspid valve obstruction by a solitary cardiac metastasis. No other such reported case of a metastatic cardiac lesion could be found.
D002294:Carcinoma, Squamous Cell / Q000473:pathology / Q000556:secondary* / Q000601:surgery; D004374:Ductus Arteriosus, Patent / Q000473:pathology; D004452:Echocardiography / Q000379:methods; D006338:Heart Neoplasms / Q000473:pathology / Q000556:secondary* / Q000601:surgery; D006801:Humans; D000860:Hypoxia / Q000209:etiology; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms