Radiation therapy may be an effective treatment for rare recurrent isolated right atrial metastatic cavitary masses from breast cancer.
May support radiation for rare right atrial metastases; hypothesis-generating case report requiring prospective validation.
The heart is a destination for metastases of various types of primary tumors, with lung, breast, melanoma, and mesothelioma being the most common types. Recurrent isolated cardiac metastasis presenting as a cavitary mass is rare. We present a case of recurrent isolated cavitary metastatic mass to the right atrium in a patient with the history of breast cancer who presented with new-onset atrial fibrillation. The patient successfully received radiation therapy with the resolution of the mass confirmed on repeat echocardiography.
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Ya’qoub et al. (2018) studied this question.
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