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Ventricular Diverticula on Cardiac CT: More Common Than Previously Thought

Monvadi B. Srichai1, Elizabeth M. Hecht1, Danny C. Kim1 and Jill E. Jacobs1

1 All authors: Department of Radiology, New York University School of Medicine, 530 First Ave., HCC-C48, New York, NY 10016.


Figure 1
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  		Fig. 1A —39-year-old man with single left ventricular diverticulum located at mid ventricle level at inferior right ventricular insertion site (patient 4 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT single-source scanner show long-axis (A and C) and short-axis (B and D) views of diverticulum (arrow, A and B) in diastolic (A and B) and systolic (C and D) phases of cardiac cycle. There is complete closure of diverticulum during systole.

 

Figure 2
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  		Fig. 1B —39-year-old man with single left ventricular diverticulum located at mid ventricle level at inferior right ventricular insertion site (patient 4 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT single-source scanner show long-axis (A and C) and short-axis (B and D) views of diverticulum (arrow, A and B) in diastolic (A and B) and systolic (C and D) phases of cardiac cycle. There is complete closure of diverticulum during systole.

 

Figure 3
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  		Fig. 1C —39-year-old man with single left ventricular diverticulum located at mid ventricle level at inferior right ventricular insertion site (patient 4 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT single-source scanner show long-axis (A and C) and short-axis (B and D) views of diverticulum (arrow, A and B) in diastolic (A and B) and systolic (C and D) phases of cardiac cycle. There is complete closure of diverticulum during systole.

 

Figure 4
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  		Fig. 1D —39-year-old man with single left ventricular diverticulum located at mid ventricle level at inferior right ventricular insertion site (patient 4 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT single-source scanner show long-axis (A and C) and short-axis (B and D) views of diverticulum (arrow, A and B) in diastolic (A and B) and systolic (C and D) phases of cardiac cycle. There is complete closure of diverticulum during systole.

 

Figure 5
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  		Fig. 2A —80-year-old man with single left ventricular diverticulum localized to apical septum (patient 5 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT single-source scanner show four-chamber (A and C) and two-chamber (B and D) views of diverticulum (arrows) in diastolic (A and B) and systolic (C and D) phases of cardiac cycle. Diverticulum is contractile but does not completely close during systole.

 

Figure 6
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  		Fig. 2B —80-year-old man with single left ventricular diverticulum localized to apical septum (patient 5 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT single-source scanner show four-chamber (A and C) and two-chamber (B and D) views of diverticulum (arrows) in diastolic (A and B) and systolic (C and D) phases of cardiac cycle. Diverticulum is contractile but does not completely close during systole.

 

Figure 7
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  		Fig. 2C —80-year-old man with single left ventricular diverticulum localized to apical septum (patient 5 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT single-source scanner show four-chamber (A and C) and two-chamber (B and D) views of diverticulum (arrows) in diastolic (A and B) and systolic (C and D) phases of cardiac cycle. Diverticulum is contractile but does not completely close during systole.

 

Figure 8
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  		Fig. 2D —80-year-old man with single left ventricular diverticulum localized to apical septum (patient 5 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT single-source scanner show four-chamber (A and C) and two-chamber (B and D) views of diverticulum (arrows) in diastolic (A and B) and systolic (C and D) phases of cardiac cycle. Diverticulum is contractile but does not completely close during systole.

 

Figure 9
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  		Fig. 3A —26-year-old woman with multiple left ventricular diverticula (patient 2 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT single-source scanner in diastolic (A) and systolic (B) phases show two diverticula (arrows) located close to one another. Diverticula close completely during systole.

 

Figure 10
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  		Fig. 3B —26-year-old woman with multiple left ventricular diverticula (patient 2 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT single-source scanner in diastolic (A) and systolic (B) phases show two diverticula (arrows) located close to one another. Diverticula close completely during systole.

 

Figure 11
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  		Fig. 4A —47-year-old woman with multiple left ventricular diverticula (patient 13 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT dual-source scanner in diastolic (A) and systolic (B) phases show three diverticula (arrows) located close to one another. Diverticula close almost completely during systole.

 

Figure 12
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  		Fig. 4B —47-year-old woman with multiple left ventricular diverticula (patient 13 in Table 1). Multiplanar reformatted MDCT angiography images from 64-MDCT dual-source scanner in diastolic (A) and systolic (B) phases show three diverticula (arrows) located close to one another. Diverticula close almost completely during systole.

 

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