title: Unusual craniocerebral injury by a key.
mesh_terms: D000328:Adult; D006259:Craniocerebral Trauma / Q000473:pathology*; D005547:Foreign Bodies / Q000473:pathology*; D005624:Frontal Bone / Q000473:pathology*; D005625:Frontal Lobe / Q000473:pathology*; D006801:Humans; D008297:Male; D014950:Wounds, Penetrating / Q000473:pathology