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(Circulation. 1998;98:933-934.)
© 1998 American Heart Association, Inc.

Images in Cardiovascular Medicine

Left Ventricular Thrombus Detected by Two- and Three-Dimensional Computed Tomographic Ventriculography

A New Application of Helical CT

Teruhito Mochizuki, MD; Yasushi Koyama, MD; Hiroaki Tanaka, MD; Junpei Ikezoe, MD; Yun Shen, PhD; ; Shogo Azemoto, RT

From the Departments of Radiology (T.M., H.T.) and Cardiology (Y.K.), Ehime-Imabari Hospital; the Department of Radiology, Ehime University School of Medicine (J.I.); and GE-Yokogawa Medical Systems (Y.S., S.A.), Japan.

Correspondence to Teruhito Mochizuki, MD, Radiology, Ehime-University School of Medicine, Shitsukawa, Shigenobu-cho, Onsen-gun, Ehime-ken 791-0295 Japan. E-mail tmochi@m.ehime-u.ac.jp

A67-year-old man presented with chest discomfort. At the age of 65 years, he had been hospitalized because of acute anteroseptal myocardial infarction. Coronary angiography and LVG were performed to evaluate his present status. The LVG revealed LV aneurysm. An LV thrombus at the apex was suspected (Figure, A). By use of a new application of helical CT with contrast enhancement, ie, CT-VG, an LV aneurysm and the apical thrombus were demonstrated by both 2D and 3D CT-VG (Figure, B and C). In addition, the 2D CT-VG depicted markedly thinned anteroseptal wall.

View larger version (104K): [in this window] [in a new window]   Figure 1. A, LVG depicts LV aneurysm. Thrombus at apex is suspected. CT-VG from same view of LVG clearly demonstrates both LV aneurysm and apical thrombus (yellow mass, arrow). Top, End-diastolic (ED) and bottom, end-systolic (ES) phases. LV volumes were assessed. EDV indicates end-diastolic volume; ESV, end-systolic volume; SV, stroke volume; LVEF, LV ejection fraction; HR, heart rate; and C.O., cardiac output. B, 2D CT-VG in transaxial (left), vertical long-axial (middle), and horizontal long-axial (right) planes. Both ED (top) and ES (bottom) images depict LV thrombus. In vertical long axis, markedly thinned anterior (arrowhead) wall and LV aneurysm are evident. Neither wall motion nor systolic thickening was observed in infarct lesion. C, 2D CT-VG in short-axial plane (left, basal; middle, midventricle; and right, apex). In midventricular and apical short-axial images, markedly thinned anteroseptal wall (arrowhead) is evident. LV thrombus (arrow) at apex is also depicted.

CT-VG is a new application of helical CT, which can assess heart . . . [Full Text of this Article]

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