A rare cause of tough coronary occlusion.

A 50-year-old woman was admitted with chest discomfort, dyspnoea, and anterolateral ST-elevation ( Panel A ). Her medical history included a breast sarcoma with a lung metastasis treated 2 years before. Urgent coronary angiography identified an abrupt occlusion of the mid-LAD that was only partially crossed with a stiff wire. Several balloon inflations were unable to …