J Korean Soc Radiol.
2022 Nov;83(6):1400-1405. 10.3348/jksr.2021.0149.
Left Atrial Appendage Aneurysm: A Case Report
- Affiliations
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- 1Department of Radiology, Dongguk University Ilsan Hospital, Dongguk University Graduate School of Medicine, Goyang, Korea
- 2Department of Radiology, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University Graduate School of Medicine, Gwangmyeong, Korea
- 3Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
- 4Department of Pathology, Dongguk University Ilsan Hospital, Dongguk University Graduate School of Medicine, Goyang, Korea
- KMID: 2536806
- DOI: http://doi.org/10.3348/jksr.2021.0149
Abstract
- Left atrial appendage aneurysm (LAAA) is a rare heart anomaly caused by congenital dysplasia of the pectinate muscle or by an acquired pathological condition of the mitral valve or cardiac muscle. It is often incidentally discovered during chest CT or echocardiography as an abnormal dilatation of the LAA. LAAA is associated with life-threatening complications and most patients require surgical treatment. Therefore, it is important to evaluate associated complications as well as precise diagnoses. This report presents the case of a surgically confirmed LAAA in a 53-year-old female. We also discuss the pathophysiology of LAAA and significant findings related to mortality that can be detected on CT and MRI.
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