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  • Title: Identification and clinical course of 166 pediatric cardiac tumors.
    Author: Shi L, Wu L, Fang H, Han B, Yang J, Ma X, Liu F, Zhang Y, Xiao T, Huang M, Huang M.
    Journal: Eur J Pediatr; 2017 Feb; 176(2):253-260. PubMed ID: 28074279.
    Abstract:
    UNLABELLED: The aim of this study was to investigate the pathological classifications, clinical features, and natural history of pediatric cardiac tumors to provide a basis for the selection of an appropriate therapeutic method. The medical records of in- or outpatients with cardiac tumors at four hospitals were classified to analyze various types of tumor growth locations, clinical manifestations, surgical indications, and long-term follow-up results. There were 166 patients, including 158 with primary cardiac tumors, six with metastatic cardiac tumors, and two with unclassified cardiac tumors. Among the 158 cases of primary cardiac tumor, 150 were benign and eight were malignant. The rhabdomyoma, fibroma, and myxoma are the most common types of benign cardiac tumors. The major clinical manifestations of cardiac tumors include outflow tract obstruction, arrhythmia, dyspnea, pericardial effusion, heart failure, and seizures. Among the 59 patients who underwent surgery, 49 had primary benign cardiac tumors, eight had primary malignant tumors, and two had malignant metastatic tumors. Post-surgery, nine of the patients had residual tumor tissues that did not significantly affect their hemodynamics. Following surgery, there were two cases of recurrence and nine deaths, including four of benign and five of malignant tumors with mortality rates of 8.2 and 50.0 %, respectively. Of the remaining 107 cases of patients who did not undergo surgery, five (4.7 %) died. CONCLUSION: The primary benign cardiac tumors are the predominant pediatric cardiac tumors, of which rhabdomyoma, fibroma, and myxoma are the most common types. If severe symptoms are nonexistent and the hemodynamics is unaffected, most of the patients can survive in the long term despite the tumors. What is known: • Pediatric cardiac tumors are rare and are predominantly primary and benign. • The symptoms of heart failure, arrhythmia, and outflow obstruction are the most severe complications of cardiac tumors. What is new: • The rhabdomyoma, fibroma, and myxoma are the most common types of primary benign cardiac tumors. • If severe symptoms are not present and the hemodynamics are unaffected, most of the patients can survive in the long term despite the tumors.
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