Could an embolus cause an aneurysm in the brain?

Aneurysm formation: Emboli to the brain usually result in stroke. Emboli can be made of calcium or can be made of clotted blood. Rarely one can get septic emboli (infected material) go to the brain. You'll hear the term mycotic aneurysm which implies a fungal infection, however, the majority of these types of aneurysms are bacterial in origin. The infection and source of the infection is usually treated and subsequen.