title: Perithelial sarcoma (?) glioblastoma (?).
mesh_terms: D001932:Brain Neoplasms / Q000175:diagnosis / Q000473:pathology*; D003937:Diagnosis, Differential; D005625:Frontal Lobe / Q000473:pathology*; D005909:Glioblastoma / Q000175:diagnosis; D006393:Hemangiopericytoma / Q000175:diagnosis; D006394:Hemangiosarcoma / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged