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  • Title: Left atrial myxoma presenting as a systemic vasculitis.
    Author: Byrd WE, Matthews OP, Hunt RE.
    Journal: Arthritis Rheum; 1980 Feb; 23(2):240-3. PubMed ID: 7362670.
    Abstract:
    Left atrial myxoma has often stimulated systemic vasculitis or a connective tissue disease, but the diagnosis is usually suggested by cardiac symptoms or signs. The present case report is both unusual and instructive in that the patient presented with a painless left foot drop followed by digital vasculitis. Laboratory findings included depressed total hemolytic complement and elevated anti-double-stranded DNA. Despite frequent and careful observation, a heart murmur was not appreciated. Because of the unusual features and the patient's frequent military travels, the diagnosis of left atrial myxoma was not established for 8 months. This case history stresses the importance of considering the possibility of atrial myxoma in patients with heart murmurs whose symptoms, physical findings, and laboratory studies could be compatible with a systemic vasculitis.
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