Spontaneous giant pseudoaneurysm of right occipital artery: a case report.

Occipital artery pseudoaneurysm is a rare entity and few cases have been reported worldwide. Here, we are presenting a case of 32-year young lady with headache and a large swelling on the right side of the neck, without any history of trauma. Computed tomography (CT) angiogram revealed pseudoaneurysm of third part of the occipital artery.