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Fibromuscular dysplasia (FMD) is a rare systemic vascular disease that has been found to present as a renal infarction (RI) in only a handful of cases. We present a case of a 53-year-old Vietnamese patient presenting for sharp, severe left-sided abdominal pain of two-day duration associated with a migraine headache. On presentation, she was afebrile, and her vital signs were stable. Laboratory investigations were significant for mildly elevated leukocytosis but were otherwise normal. CT abdomen and pelvis with contrast revealed a left-sided renal infarct. The patient was then admitted to the hospital and started on therapeutic anticoagulation. A transthoracic echocardiogram was obtained and revealed no vegetation. CT angiography of the abdomen was pursued and was significant for mild beading within the mid-right and left renal arteries, consistent with fibromuscular dysplasia. Our patient was diagnosed with renal infarction in the setting of fibromuscular dysplasia, a combination that has been reported only a few times. Interestingly, our patient also had mild FMD based on imaging, making it even more of an unusual cause of renal infarction. This case highlights the connection between these two diseases and the need for more studies to characterize the association between them.

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