[Cranial wounds of the skull caused by a fencing-foil].

Unlabelled: Penetrating stab cranial wounds of the skull by fencing-foil are rare in western countries.

Case Report: This 46-year-old man suffered a penetrating stab wound of the skull through the right orbital region. As a consequence he developed an intracranial hematoma requiring surgical evacuation.

[Variants of the anterior circle of Willis. Anatomic and angiografic correlation and its implications in the surgery of intracranial aneurysms. (Acigos anterior cerebral artery, median artery of the corpus callosum and accessory middle cerebral artery)].

It is worlwide accepted that in almost 60% of cases, anatomical variants in the Circle of Willis can be found. Some of them are associated with vascular malformations such as aneurysms. The knowledge of these anatomical variants is of vital importance when facing surgery, being the aims to preserve arteries in unusual localisations, which when injured can determine invalidating sequelae.

[Surgery of grade "0" aneurysms. Report of 22 cases].

Subarachnoid hemorrhage secondary to aneurysms rupture is still a devastating disease, in spite of advances of medical and surgical management. Mortality remains about 50% at the initial event, and less of 30% of survivors recover their previous level. The authors present a series of 22 patients with grade "0", aneurysms that had not bled, operated on during a six year period, with no mortality and a very low morbidity (less than 5%).