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J Thorac Cardiovasc Surg 2009;137:1032-1034
© 2009 The American Association for Thoracic Surgery

Brief Communication

Resection and reconstruction of the roof of the coronary sinus for an unusually attached left atrial myxoma

Department of Cardiothoracic Surgery, Sir Charles Gairdner Hospital, University of Western Australia, Perth, Australia

Received for publication January 26, 2008; accepted for publication February 10, 2008.

^_* Address for reprints: Igor E. Konstantinov, MD, PhD, University of Western Australia, Department of Cardiothoracic Surgery, Sir Charles Gairdner Hospital, Hospital Avenue, Nedlands, Perth, WA 6009, Australia. (Email: konstantinov.igor@alumni.mayo.edu).

The first 20% of the full text of this article appears below.

Myxoma is the most common primary cardiac tumor and most commonly originates from the left side of the atrial septum. We encountered an unusual myxoma with a broad pedicle that originated from the lower atrial septum and the roof of the coronary sinus (CS), causing mild mitral stenosis.

Clinical Summary

A 69-year-old woman was admitted to the Sir Charles Gairdner Hospital with acute shortness of breath. On the patient's admission, a transient ischemic attack developed with left arm weakness that spontaneously resolved. She had a long-standing history of type II diabetes mellitus, hypertension, hypercholesterolemia, and paroxysmal atrial fibrillation. Despite an appropriate anticoagulation with warfarin, she had multiple transient ischemic attacks in the past. Coronary angiogram was normal. A transthoracic echocardiography revealed a 5.4 x 3.4-cm pedunculated left atrial mass that was attached to the lower atrial septum ( Figure . . . [Full Text of this Article]