Abstract
We report a rare case of cardiac tamponade caused by lung cancer in a pregnant woman. A 32-year-old multiparous pregnant woman was admitted to the hospital at 15 weeks of gestation with a persistent cough and dyspnea. Transthoracic echocardiography revealed a pericardial effusion with evidence of tamponade physiology. Computed tomography (CT) revealed a massive pericardial effusion and a left lung tumor. Pericardial tamponade was successfully treated using pericardiocentesis. She was diagnosed with lung adenocarcinoma stage IVB based on bronchoscopic lung biopsy, which showed adenocarcinoma and CT, which showed brain metastasis. Pregnancy was terminated at 18 weeks of gestation, followed by molecular-targeted therapy with alectinib hydrochloride and whole-brain irradiation. 24 months after treatment initiation the patient is alive without disease progression. Although pericardial tamponade caused by a malignant tumor during pregnancy is a rare and serious life-threatening condition, appropriate diagnosis and prompt treatment can improve maternal prognosis.
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