title: Fibrosarcoma after proton-beam pituitary ablation.
abstract: In a case of malignant tumor after proton-beam radiotherapy, the course of the ophthalmoplegia was consistent with infiltration of the cavernous sinus. This was confirmed at autopsy.
mesh_terms: D000172:Acromegaly / Q000628:therapy; D001932:Brain Neoplasms / Q000209:etiology* / Q000473:pathology; D002426:Cavernous Sinus / Q000473:pathology; D005354:Fibrosarcoma / Q000209:etiology* / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009381:Neoplasms, Radiation-Induced / Q000209:etiology* / Q000473:pathology; D009886:Ophthalmoplegia / Q000209:etiology; D010910:Pituitary Irradiation / Q000009:adverse effects*; D011522:Protons
chemical_list: D011522:Protons