Affiliation:
1. DEPARTMENT OF INTERNAL MEDICINE, JÓZEF STRUS HOSPITAL, POZNAN, POLAND
2. PATHOMORPHOLOGY UNIT, JÓZEF STRUS HOSPITAL, POZNAN, POLAND
3. RADIOLOGY UNIT, JÓZEF STRUS HOSPITAL, POZNAN, POLAND
Abstract
Mechanical heart compression, including that from mediastinal tumor, may cause Brugada-like ECG pattern. Such ECG pattern might also be observed in intracardiac tumor obstructing the right ventricular out"ow tract (RVOT). Eight cases with Brugada-like ECG and tumors involving RVOT have been described so far; 4 growing in the mediastinum (with one example of in"ammatory mass), 3 with intracardiac location, and 1 being an organized pericardial hematoma. The authors present other 3 cases of intracardiac metastatic tumors in RVOT and Brugada-like ECG pattern with coved ST-segment elevation in the right precordial leads. All patients had negative history of cardiovascular disease or familiar malignant arrhythmia occurrence. ECG were done routinely; none of the patients had chest pain or an increased level of cardiac troponins. In all patients, neoplastic disease was at advanced stage. A 76-year-old male, had a history of four neoplasms: bladder cancer was being treated with chemotherapy, while prostate, tongue, and lung cancers had been resected years ago and no signs of local relapse were found. A 78-year-old female, was diagnosed with colon cancer 1 month after an episode of venous thromboembolism. Six months after the resection of cancer, second focus of adenocarcinoma was found in the rectum. Third patient, a 65-year-old-male had undergone nephrectomy for renal cancer a year before cardiac metastasis diagnosis.
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