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Figure 1. A 61-year-old man with a prosthetic aortic valve presented with acute ischemia of the right foot. An embolectomy of the dorsalis pedis and posterior tibialis arteries was performed. Culture of the thrombus revealed Aspergillus fumigatus. On microscopical examination (hematoxylin and eosin, x400), aspergillus hyphae appeared as broad, septate filaments of uniform width (5 to 10 µm), with a characteristic branching angle of 45 degrees (arrows). A transesophageal echocardiogram disclosed multiple aortic-valve vegetations. The patient's prosthetic aortic valve was replaced, and he was treated with amphotericin B, but he died of a ruptured mycotic aneurysm of the . . . [Full Text of this Article] |
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