Aneurysm, Intracranial Berry, 4, also known as intracranial berry aneurysm 4, is related to contractures, pterygia, and spondylocarpotarsal fusion syndrome 1a and vascular disease. An important gene associated with Aneurysm, Intracranial Berry, 4 is ANIB4 (Aneurysm, Intracranial Berry 4).