Spontaneously resolving large intrarenal artery aneurysm—a case report

A 37-year-old man came to the hospital with a 1 week history of intermittent epigastric pain. Physical examination revealed elevated blood pressure (155/99 mmHg). The imaging analyses incidentally revealed turbulent blood flow and a cystic lesion with a diameter of 2.46 cm, which was confirmed as a saccular aneurysm on the basis of the computed tomography images (Figure 1). The patient refused intervention and underwent intermittent interrupted antihypertension treatment. Later, he was admitted for transcatheter arterial embolization, and then he was normotensive. There was no filling of the aneurysm during angiography (Figure 2), which was observed in the Doppler studies, confirming the spontaneous thrombosis of the renal aneurysm.