A giant right atrial myxoma: Case report

Özpınar, Cevat; Ceran, Samı; Yeniterzi, Mehmet; Yüksek, Tahir; Özergin, Ufuk; Solak, Hasan

doi:10.1007/bf02043496

Int J Angiol

1995

DOI: 10.1007/bf02043496

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A giant right atrial myxoma: Case report

Cevat Özpınar

Samı Ceran

Mehmet Yeniterzi

et al.

Abstract: Right atrial myxomas have rarely been reported. The authors describe a giant hourglass-shaped atrial myxoma consisting of three lobes; one of them had protruded into the right ventricle. Its size was 18×7×5 cm and weight was 170 g. The authors were not able to find another myxoma as big as this one in the literature, so they are reporting it. They review and discuss the literature involving the subject.

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2013

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Características histopatológicas e inmunohistoquímicas de los mixomas cardiacos

Hernández-Bringas¹,

Ortíz-Hidalgo²

2013

Archivos de Cardiología de México

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Mixomas are the most common primary cardiac tumors with an estimate incidence of 0,5-1 per 10(6) individuals per year. These tumors have generated interest due to their unique location (left side of the atrial septum near the fossa ovalis), variable clinical presentation and undefined histogenesis. Most cardiac myxomas occur sporadically while approximately 10% of diagnosed cases develop as part of Carney complex. This neoplasm is of uncertain histogenesis, however, endothelial, neurogenic, fibroblastic, and cardiac and smooth muscle cells differentiation has been proposed, and rarely glandular differentiation has been observed. Recently, due to the expression of certain cardiomyocyte-specific factors, an origin of mesenchymal cardiomyocytes progenitor cells has been suggested. Histologically cardiac myxomas are mainly composed of stellated, fusiform and polygonal cells, immersed in an amorphous myxoid matrix. Immunohistochemically some endothelial markers, such as CD31, CD34, FVIIIAg, are present. Positive staining has also been reported for S-100 protein, calretinin, vimentin, desmin, smooth muscle myosin, CD56, α1 antitrypsin and α 1antichymotrypsin. Surgical resection is currently the only treatment of choice. We present in this article a histopathological and immunohistochemical review of cardiac myxomas.

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Características histopatológicas e inmunohistoquímicas de los mixomas cardiacos

Hernández-Bringas¹,

Ortíz-Hidalgo²

2013

Archivos de Cardiología de México

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A giant right atrial myxoma: Case report

Cited by 1 publication

References 16 publications

Características histopatológicas e inmunohistoquímicas de los mixomas cardiacos

Características histopatológicas e inmunohistoquímicas de los mixomas cardiacos

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