ABSTRACT
<p><b>INTRODUCTION</b>The objective of this case report was to illustrate the diagnostic and intervention approach of anomalous right coronary artery (RCA).</p><p><b>CLINICAL PICTURE</b>A 60-year-old man presented with acute inferior myocardial infarction. Cardiac catheterisation revealed an anomalous RCA arising from the posterior coronary sinus as the infarct-related artery.</p><p><b>TREATMENT</b>Ad hoc percutaneous coronary intervention with stent implantation was performed using a few technical modifications.</p><p><b>OUTCOME</b>Good angiographic result was achieved within 90 minutes, with 260 mL of contrast used.</p><p><b>CONCLUSION</b>A high index of suspicion and logical diagnostic and intervention approach are required for the proper management of anomalous RCA.</p>