title: Surgical treatment of a giant cystic tumor of the atrioventricular nodal region.
abstract: Cystic tumor of the atrioventricular nodal region is a rare cardiac primary tumor that can cause heart blockage and sudden death. Antemortem diagnosis and successful excision of the atrioventricular nodal region are extremely rare. A 41-year-old woman who presented with dyspnea and palpitations is reported. Electrocardiography revealed third-degree atrioventricular block. Echocardiography showed a right atrial cystic mass attached to the interatrial septum. The patient underwent surgical excision of the mass. Histopathological findings were of a cystic tumor of the atrioventricular nodal region. Placement of a permanent pacemaker was required for complete heart blockage. A two-year follow-up has revealed no sign of recurrence. This is the first case to be reported in China.
authors.affiliation: Department of Cardiothoracic Surgery, Taihe Hospital affiliated to YunYang Medical College, 29 South Renming Road, ShiYan, 442000, China.
authors.forename: Jialong
authors.initials: J
authors.lastname: Guo
authors.forename: Shunqing
authors.initials: S
authors.lastname: Zuo
authors.forename: Chenyi
authors.initials: C
authors.lastname: Lin
authors.forename: Yanmei
authors.initials: Y
authors.lastname: Ji
mesh_terms: D000328:Adult; D001145:Arrhythmias, Cardiac / Q000209:etiology / Q000601:surgery; D001283:Atrioventricular Node / Q000473:pathology / Q000601:surgery; D002304:Cardiac Pacing, Artificial; D006348:Cardiac Surgical Procedures; D003560:Cysts / Q000150:complications / Q000473:pathology / Q000601:surgery*; D004417:Dyspnea / Q000209:etiology / Q000601:surgery; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006338:Heart Neoplasms / Q000150:complications / Q000473:pathology / Q000601:surgery*; D006801:Humans; D010138:Pacemaker, Artificial; D016896:Treatment Outcome