1. Leiomyosarcoma of the left atrium mimicking a left atrial myxoma
Alessandro Mazzola, MD, Jean-Philippe Spano, MD, PhD, Marialuisa Valente, MD, Renato Gregorini, MD, Carmine Villani, MD, Mauro Di Eusanio, MD, Marco Ciocca, MD, Ugo Minuti, MD, Raffaele Giancola, MD, Cristina Basso, MD, PhD, Gaetano Thiene, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 131, Issue 1, Pages (January 2006)
DOI: /j.jtcvs
Copyright © 2006 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Preoperative transthoracic echocardiography. A, A mass is visible occupying the left atrial cavity during systole. B, The mass is moving downward during diastole to occupy the mitral valve orifice.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2006 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Surgical pathologic investigation of the resected mass. A and B, At histologic examination, storiform proliferation of pleomorphic cells with frequent mitoses was seen (stain, hematoxylin and eosin; original magnification, 15× and 160×, respectively). C and D, Positive immunohistochemistry findings for α-smooth muscle cell and desmin (original magnification, 32×).
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2006 The American Association for Thoracic Surgery Terms and Conditions