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23 June 2024 : Case report  South Korea

A Rare Case of Stroke in a 76-Year-Old Woman: Left Atrial Papillary Fibroelastoma as the Culprit

Rare disease

Ki-Hong Kim ORCID logo1ABEF, Yong Kyun Kim ORCID logo1BE, Wan Jin Hwang ORCID logo2BE, Young Hoon Seo ORCID logo1BE, Taek-Geun Kwon1BE, Moon Hyang Park3CDE, Jae Hyun Kim ORCID logo2ABE, Jang-Ho Bae1ABE*

DOI: 10.12659/AJCR.943568

Am J Case Rep 2024; 25:e943568

Abstract

0:00

BACKGROUND: Papillary fibroelastoma is the most common type of benign primary cardiac tumor and is usually asymptomatic. However, tumor fragments or surface thrombus can embolize and cause transient ischemic attacks, strokes, or myocardial infarction. This report describes a 76-year-old woman who presented with dysarthria and right-sided weakness due to a stroke associated with a left atrial papillary fibroelastoma.

CASE REPORT: A 76-year-old woman visited the Emergency Department because she had right-sided weakness and dysarthria from 12 h ago. Brain magnetic resonance image was done at the Emergency Department, showing multiple small embolic, acute infarction in left basal ganglia and fronto-temporo-parietal lobes. Transthoracic and transesophageal echocardiogram showed a hypermobile echogenic mass (0.8×1.5 cm) with villous surface on the orifice of left atrial appendage. Twenty-four-hour Holter monitoring was performed to evaluate the cause of cerebral infarction, and there was no paroxysmal atrial fibrillation. Thoracic computed tomography angiography also showed a sea anemone-shaped mass around the left atrial appendage. Cardiac tumor excision was done via a lower partial sternotomy. Histopathologic analysis showed multiple delicate fronds, and the avascular fibroelastic cores were lined by a single layer of CD31-positive endothelial cells. Histopathologic findings were consistent with papillary fibroelastoma. The patient was discharged without any other complications on day 30 of hospitalization.

CONCLUSIONS: This case highlights the importance of cardiac imaging in patients with acute stroke, including transthoracic and transesophageal echocardiography, which can show the typical imaging features of papillary fibroelastoma and other intracardiac sources of embolus.

Keywords: Cardiac Papillary Fibroelastoma, embolic stroke, Echocardiography, Transesophageal

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923