A Rare Case of Atrial Metastasis From a Rectal Adenocarcinoma

Srinivas S. Ayyala, Dawnette M. Urcuyo, Paul T. Kannarkatt, James E. Kovacs, Nicole J. Terrigno

Abstract


Colorectal cancers typically metastasize to the lymph nodes, liver or lungs. Metastasis to the heart is rare and although a few cases of cardiac metastases from colon cancer are described in the literature, cases of metastatic rectal cancer to the heart are far fewer. A 69-year-old woman with a history of rectal adenocarcinoma treated with neo-adjuvant chemotherapy and radiation, followed by resection and adjuvant chemotherapy, presented with increasing dyspnea on exertion and lower extremity edema 5 years after oncology follow-up. Echocardiography revealed a mass within the right atrium, which was biopsied and found to be consistent with metastatic rectal adenocarcinoma and a thrombus. The patient was deemed to be a poor surgical candidate given her co-morbidities and overall prognosis. Chemotherapy was offered and refused by the patient. The medical literature has a paucity of similar cases of rectal adenocarcinoma metastasizing to the right atrium. Further studies are needed to help guide standardized treatment options.




J Clin Med Res. 2017;9(10):886-888
doi: https://doi.org/10.14740/jocmr3123w

Keywords


Colorectal cancer; Rectal adenocarcinoma; Cardiac metastasis; Cardiac tumors

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