PMC4004792_01
Lung tissue demonstrating cholestrol clefts and infiltration of giant cells indicating that cholestrol embolizations occurred earlier during previous attempts at access declotting, rather than during the final event (x20 magnification).
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In addition, there were multiple cholesterol emboli (Figure 1) and increased number of hemosiderin-laden macrophages, indicating that cholesterol emboli were old rather than due to the recent episode of pulmonary embolism.