AML relapse presenting as cardiac myeloid sarcoma
The following case has been reported in BMJ. A 50-year-old woman previously diagnosed with acute myeloid leukaemia (AML) presented with a 3-month history of shortness of breath and a right-sided facial rash.

A chest CT revealed an intracardiac mass in the right atrium extending into her superior and inferior vena cava. Surgery was performed to remove the mass and pathology was consistent with myeloid sarcoma.

After surgery, adjuvant radiation therapy was directed to the residual disease. The patient eventually relapsed in other sites not including the right atrium and eventually succumbed to her disease.

Learning points
• Myeloid sarcoma rarely presents as an intracardiac mass and a treatment protocol has not been developed. The treatment for intracardiac myeloid sarcoma should be determined on a case-by-case basis.

• Treatment used for intracardiac myeloid sarcoma has been surgery, radiation, and chemotherapy.

• A variety of treatments have been used because no single method has been proven to be more effective than another for myeloid sarcoma of the heart.

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