Primary intracardiac leiomyoma arising from cardiomyocyte progenitors at the right ventriculo-septal interface: Case report with literature review

Primary cardiac neoplasms are rare, and are usually benign myxomas and rhabdomyomas. Cardiac leiomyomas are usually seen as a part of the spectrum of intravenous leiomyomatosis or benign metastasizing leiomyoma. De novo occurrence of primary intracardiac leiomyomas (PICL) is a rarity. Herein we describe a 14year old boy presenting with intermittent dyspnea for two years, with a large right ventricular mass suggestive of myxoma on transthoracic echocardiography, without any extracardiac lesions. Histology and immunohistochemistry of the tumour excised under cardiopulmonary bypass confirmed a PICL arising at the cardiomyocyte-smooth muscle septal interface.
Source: Cardiovascular Pathology - Category: Cardiology Authors: Tags: Original Article Source Type: research