Circulation, Vol 55, 88-92, Copyright © 1977 by American Heart Association
GM Pohost, JO Pastore, KA McKusick, PN Chiotellis, GZ Kapellakis, GS Myers, RE Dinsmore and PC Block
Gated radionuclide cardiac blood pool scans (GCS) of end-systole and
end-diastole or eight images subtending the entire cardiac cycle were
performed on seven patients with left atrial myxomas documented by
pulmonary cineangiography with left atrial follow-through. The
ethocardiogram was either suggestive or diagnostic in all patients. In
addition to demonstration of the tumor (6 patients), the GCS detected three
patterns of tumor motion: 1) a defect which moved from the left atrium in
end systole to the left ventricle in end diastole (2 patients); 2) a defect
which remained within the region of the left atrium but decreased in size
between end diastole and end systole (3); and 3) a defect which was
observed within the region of the left ventricle in end diastole but
disappeared in end systole (1). Thus, the GCS is a noninvasive method for
detection and evaluation of motion of left atrial myxomas.
ARTICLES
Detection of left atrial myxoma by gated radionuclide cardiac imaging
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