Cardiac Papillary Fibroelastoma as a Cause of Embolic Stroke: Ultrasound and Histopathological Characteristics

Takahiro Kuwashiro; Kazunori Toyoda; Ryoichi Otsubo; Hatsue Ishibashi-Ueda; Osamu Tagusari; Kazuo Minematsu

doi:10.2169/internalmedicine.48.1429

CASE REPORTS

Cardiac Papillary Fibroelastoma as a Cause of Embolic Stroke: Ultrasound and Histopathological Characteristics

Takahiro Kuwashiro, Kazunori Toyoda, Ryoichi Otsubo, Hatsue Ishibashi-Ueda, Osamu Tagusari, Kazuo Minematsu

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Keywords: papillary fibroelastoma, cardiac tumor, stroke, cerebral infarction, transesophageal echocardiography, ultrasound

JOURNAL OPEN ACCESS

2009 Volume 48 Issue 1 Pages 77-80

DOI https://doi.org/10.2169/internalmedicine.48.1429

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Abstract

Although a cardiac papillary fibroelastoma is a benign cardiac tumor, it can cause severe embolic complications. A 51-year-old man presented with an ischemic stroke in the right middle cerebral artery territory. Transesophageal echocardiography revealed a small mobile tumor on the mitral valve as the only detectable source of emboli to the brain. On histology, the tumor was diagnosed as a papillary fibroelastoma. In this paper, the detailed characteristics of the tumor on ultrasound and histopathology are documented. In patients with cryptogenic stroke, transesophageal echocardiography should be done to rule out such an unusual emboligenic heart disease.

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