Renal thromboembolism is a rare, but severe condition in non-valvular paroxysmal atrial fibrillation, that could remain underdiagnosed. Due to atrial fibrillation the embolus is organized in left atrium and auricle then reach the renal artery with subsequently ischemia. Renal colic could mimic multiple pathologies as nephrolithiasis, pyelonephritis, kidney ischemia, diverticulitis, sub-occlusive intestinal syndrome, ruptured abdominal aortic aneurysm. [...]