[False aneurysm of the artery of the angular gyrus caused by vascular injury during ventricular puncture]

This description of a false aneurysm of the artery of the angular gyrus resulting from damage by a Cushing needle demonstrates the origin and the development of the lesion, and also its healing following thrombosis. The pathogenesis of the aneurysm is shown by illustrations of the angiographic findings and the histology.