Key result
Mediastinal liposarcoma resection restores sinus rhythm with no late recurrence of atrial flutter.
Why the study?
Supraventricular arrhythmia associated with mediastinal tumors is exceptional and the role of surgery in arrhythmia control is important to clarify.
Case Report (n=1)
Surgical removal of a mediastinal liposarcoma can be curative for associated supraventricular arrhythmias such as atrial flutter.
Resection may resolve atrial flutter in mediastinal liposarcoma; hypothesis-generating and should not yet change practice.
We report the case of a 68-year-old man who presented with atrial flutter and was observed radiologically to have a large mass in the posterior mediastinum. During surgical removal, spontaneous recovery of sinus rhythm occurred. There was no late recurrence of arrhythmia. The diagnosis was mediastinal liposarcoma of mixed type (extremely rare). Supraventricular arrhythmia associated with mediastinal tumors is exceptional. Surgery appears to be the only potentially curative treatment for these tumors. In cases like ours presenting with arrhythmia, surgery is considered essential for control of the arrhythmia.
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Arrarás-Martínez et al. (2015) conducted a case report in Atrial flutter and mediastinal liposarcoma (n=1). Surgical removal was evaluated on Recovery of sinus rhythm and recurrence of arrhythmia. Surgical removal of a giant primary mediastinal liposarcoma resulted in spontaneous recovery of sinus rhythm with no late recurrence of atrial flutter.
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