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Case Reports
. 2024 Jan 8;27(2):85.
doi: 10.3892/etm.2024.12373. eCollection 2024 Feb.

Invasive cardiac lipoma at the left ventricular intermuscular region: A case report

Juan Xia  1 , Jian-Ping Liu  2 , Wei Hong  2 , Jing Ge  2 , Yong-Heng Zhang  2 , Lin Cao  3 , Xian-Zheng Zhang  4 , Xiao-Hong Chen  4 , Qin Zhou  5
Affiliations
Case Reports

Invasive cardiac lipoma at the left ventricular intermuscular region: A case report

Juan Xia et al. Exp Ther Med. .

Abstract

The present study described the case of a 22-year-old woman who had symptoms of left chest pain for >6 months, with further aggravation over 2 days. Computed tomography (CT) images of the mediastinal and pulmonary windows showed low-density shadows in the left ventricle. Echocardiography indicated a slightly stronger echo cluster in the left ventricle, with a range of ~29x30x35 mm, which was closely related to the lower wall and part of the posterior wall of the left ventricle. Contrast-enhanced ultrasound showed that the left ventricular mass was enhanced in a circular and dot-line shape, with a solid mass occupying the left ventricle and a rich blood supply. CT angiography revealed a nodule of size 27x27x24 mm in the left ventricle. During the operation, it was observed that the cardiac lipoma invaded the chordae tendinae and papillary muscle, and a valve replacement was performed. Postoperative examination revealed a piece of gray and anaplastic tissue, measuring 30x22x17 mm. The pathology of the specimen showed that the morphology of the left ventricular mass met the criteria of an intramuscular lipoma. The present study reported a cardiac lipoma involving the left anterior chordae tendinae and papillary muscle, with the patient showing only nonspecific symptoms. Early surgery should be applied to improve the prognosis of cardiac lipoma.

Keywords: cardiac lipoma; case report; left ventricular intermuscular.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Figure 1
Figure 1
Chest computed tomography scan in the left ventricle. The arrow indicates a tumor in the left ventricle.
Figure 2
Figure 2
Echocardiography in the left ventricle. The arrow indicates an intracardiac tumor in the left ventricle.
Figure 3
Figure 3
Contrast-enhanced ultrasound results.
Figure 4
Figure 4
Computed tomography angiography results. The arrow indicates a tumor in the left ventricle, with a size that is partially adherent to the ventricular wall.
Figure 5
Figure 5
Postoperative chest computed tomography results. Complete resection of intracardiac tumor in the left ventricle, with involvement of the mitral valve. The mitral valve was removed during the surgery and replaced with a mechanical valve.
Figure 6
Figure 6
Histopathological examination of the excised mass revealed intramuscular lipoma (right panel, magnification, x50).
See this image and copyright information in PMC

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