Fig. 1

Representative images of the patients. A. TTE image of case 1: in the parasternal short-axis great arteries view, the left atrial myxoma (28.27 × 22.68 mm) adherent to the posterior wall; B. TTE image of case 2: in the non-standard view, a mobile, pedunculated 19 × 10 mm mass in the left atrium attached to the fossa ovalis; C. Histological examination confirms the diagnosis of cardiac myxoma in case 2; D. TTE image of case 3: in the apical four-chamber view, a mobile, pedunculated 45 × 33 mm mass in the left atrium attached to the interatrial septum; E. Appearance of left atrial myxoma in case 3; F. Pathological image of case 3