Aneurysm in the Human Brain

Numéro d’image : 12067528
Aneurysm in the Human Brain
This image shows an aneurysm of the tip of the basiliar artery. An aneurysm is an abnormal enlargement of the blood vessel,which most likely occurs as a result of the stress placed on the blood vessel by the blood flow,atherosclerotic changes,high blood pressure and possibly a congenital contribution. Aneurysms are dangerous because as they get bigger the wall of the blood vessel gets thinner. Over time the wall of the aneurysm can tear and result in bleeding inside of the head. This image was obtained using a highly specialized x-ray machine which can create a 3 dimensional image of the blood vessels during a procedure called an angiogram. A small catheter is passed up the main artery in the abdomen and chest by a physician (usually a radiologist). The radiologist positions this catheter in the blood vessels of the neck (the carotid or vertebral artery). A contrast agent (dye) is injected through this catheter to fill the blood vessels
Licence : Droits gérés
Crédit: Science Photo Library / Living Art Enterprises, LLC
Taille de l’image : 2700 px × 3600 px
Model Release : Non requis
Property Release : Non requis
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