A 79-year-old man with a history of ischemic cardiomyopathy and chronic kidney disease was hospitalized after he had a drastic increase in serum creatinine level from a baseline of 1.6 mg/dl to 4 mg/dl . One month earlier, the patient underwent transcatheter aortic-valve replacement ( TAVR ). A computed tomographic angiography performed before this procedure revealed diffuse atheroma in the aorta , along with the presence of complex plaques ( Fig. 1A ).
However, the patient did not report any fever, fatigue, weight loss, or myalgia at the time of presentation to the hospital. Other laboratory findings WBC count: 6800 per microliter with 15% eosinophils (absolute eosinophil count, 1050/ microliter; normal value <500). Physical examination Cyanosis of both feet No livedo reticularis No Hollenhorst plaque detected upon an eye examination A renal biopsy was performed on the patient ( Fig.…
