ArticleAnnals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc2026
Causes of Persistent ST Elevation in Patients With Lung Cancer: A Case Report.
Article in Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Cardiac metastases are rare in clinical practice. Herein, we describe the case of a 61-year-old male patient who underwent radical left lung cancer surgery > 2 years before the current admission. The postoperative diagnosis was left lung squamous cell carcinoma (stage pT2N1M0/IIB). Post-surgery, he received adjuvant chemotherapy and did not undergo chest radiotherapy. At the current admission, the patient presented with a dull pain in the left side of his chest. Electrocardiography (ECG) revealed ST-segment elevation; repeat troponin and cardiac enzyme levels were negative. Coronary CT showed 55%-77% stenosis in the proximal-mid left anterior descending artery, but no severe occlusive disease in the other major branches. Cardiac ultrasound revealed a 104 × 49 mm hypoechoic mass at the lateral apex without regional wall motion abnormalities or pericardial effusion. Contrast-enhanced chest CT revealed a metastatic tumor in the left anterior mediastinum with invasion of the pericardium and local left ventricular wall. ST-segment elevation on ECG does not always indicate acute myocardial infarction. In patients with advanced cancer, if unexplained persistent ST elevation without pathological Q waves is observed, the possibility of cardiac metastasis should be considered.
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