Different Findings in a Calcified Nodule Between Histology and Intravascular Imaging Such as Intravascular Ultrasound, Optical Coherence Tomography, and Coronary Angioscopy
An 89-year-old woman who suffered a stroke and congestive heart failure was admitted to our hospital. She died of heart failure and autopsy was performed. Coronary arteries were removed from the heart and used for ex vivo imaging of intravascular ultrasound ([IVUS]; Atlantis, Boston Scientific Corporation, Natick, Massachusetts), optical coherence tomography (LightLab imaging Inc., Westford, Massachusetts), and coronary angioscopy (FiberTech, Tokyo, Japan) within 6 h after death before fixation with 10% buffered formalin. IVUS illustrated a convex lesion with superficial hyperechoic signal accompanied by acoustic shadowing at the left anterior descending artery (Figure 1 , arrows). Optical coherence tomography demonstrated an ...
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