A 63-year-old man has a history of giant cell myocarditis. He had this entity noted on the explantation of his first heart transplant, which was being replaced for transplant arteriopathy.
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Catheter sheath embolus.
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This finding can be confused with an organism. However, it is hydrophilic polymer material from a presumed earlier left heart catheterization. This entity was further described here: Mehta RI et al. Hydrophilic polymer emboli: an under-recognized iatrogenic cause of ischemia and infarct. Mod Pathol; 2010;23:921–30
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