Papillary fibroelastoma in the left ventricular outflow tract

We report a case of a papillary fibroelastoma originating from the left ventricular endocardium in the outflow tract which was discovered by echocardiography in an asymptomatic patient. Two echocardiographic features were observed: (1) the tumor surface was smooth, and characteristic papillary forma...

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Bibliographic Details
Published in:Heart and vessels 1992-09, Vol.7 (3), p.164-167
Main Authors: UCHIDA, S, OBAYASHI, N, YAMANARI, H, MATSUBARA, K, SAITO, D, HARAOKA, S
Format: Article
Language:English
Subjects:
Biological and medical sciences
Cardiology. Vascular system
Connective Tissue - pathology
Echocardiography
Elastic Tissue - pathology
Endothelium, Vascular - pathology
Female
Fibroma - diagnostic imaging
Fibroma - pathology
Fibroma - surgery
Heart
Heart Neoplasms - diagnostic imaging
Heart Neoplasms - pathology
Heart Neoplasms - surgery
Heart Ventricles - diagnostic imaging
Heart Ventricles - pathology
Heart Ventricles - surgery
Humans
Medical sciences
Middle Aged
Tumors of the heart
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Summary:We report a case of a papillary fibroelastoma originating from the left ventricular endocardium in the outflow tract which was discovered by echocardiography in an asymptomatic patient. Two echocardiographic features were observed: (1) the tumor surface was smooth, and characteristic papillary formation was not detected; and (2) the outline of the mass was clearly defined as a dense echo, with the central, radiolucent, portion surrounded by a highly refractive linear echo at the level of the maximum diameter of the mass. The excised tumor was covered with a gelatinous substance that masked multiple papillae on the surface, but its echolucent center could not be explained by the pathology of the tumor which was solid centrally. Our case indicates that a papillary fibroelastoma may sometimes show echocardiographic findings similar to those of a myxoma, although other investigators have not noted the smooth surface and the echolucent center makes it indistinguishable from a myxoma. Thus, in some cases, it is difficult to distinguish papillary fibroelastoma from myxoma by echocardiography.
ISSN:0910-8327
1615-2573
DOI:10.1007/BF01744871