An Unusual Metallic Foreign Body Within the Brain

T HE human race over centuries has acquired a considerable capacity for successfully introducing foreign bodies into various body cavities through many available orifices. Hamilton Bailey's statement with regard to one orifice, the variety of foreign bodies which have found their way into it is hardly less remarkable than ingenuity displayed in their removal, is very true. The successful self-introduction of a foreign body into cranial cavity is more than usually difficult as it is a closed box and no ready means of ingress is available. But here, too, human ingenuity seems to have triumphed, as shown by following case history.