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Asian Cardiovasc Thorac Ann. 2016 Jan;24(1):42-4. doi: 10.1177/0218492314535224. Epub 2014 May 16.

Mesothelial/monocytic incidental cardiac excrescence mimicking cardiac tumor.

Author information

1
Department of Pathology and Cardiothoracic Surgery, All India Institute of Medical Sciences, New Delhi, India.
2
Department of Pathology and Cardiothoracic Surgery, All India Institute of Medical Sciences, New Delhi, India aravaaiims@gmail.com.

Abstract

Mesothelial incidental cardiac excrescence is a non-neoplastic tumor-like lesion commonly occurring in the intracardiac region. The exact etiology is unclear. A 32-year-old woman presented with respiratory distress on exertion. Echocardiography showed severe aortic, mitral, and tricuspid regurgitation, for which triple-valve replacement was performed. A small cardiac excrescence was found over the aortic valve, measuring 0.6 × 0.3 × 0.3-cm, which on microscopy showed features of mesothelial/monocytic incidental cardiac excrescence. This condition is very rare but it must be recognized because it mimics a metastatic malignancy.

KEYWORDS:

Aortic valve; Diagnosis; Heart neoplasms; Histiocytes; Immunohistochemistry; Monocytes; differential

PMID:
24838237
DOI:
10.1177/0218492314535224
[Indexed for MEDLINE]

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