title: Focused radiation hepatitis after Bragg-peak proton therapy for hepatocellular carcinoma: CT findings.
abstract: Radiation hepatitis is clearly demonstrated by noncontrast and contrast enhanced CT following radiotherapy for liver diseases. Radiation hepatitis is dependent on dose distribution and is usually demonstrated as a non-segmental bandlike lesion after photon therapy. We report a case of focused, oval-shaped radiation hepatitis that was induced by photon therapy. The attenuation difference was localized in a high-dose area caused by Bragg-peak proton therapy.
authors.affiliation: Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Okumura
authors.forename: Y
authors.initials: Y
authors.lastname: Itai
authors.forename: H
authors.initials: H
authors.lastname: Tsuji
authors.forename: K
authors.initials: K
authors.lastname: Matsueda
authors.forename: Y
authors.initials: Y
authors.lastname: Matsuzaki
authors.forename: H
authors.initials: H
authors.lastname: Tsujii
mesh_terms: D006528:Carcinoma, Hepatocellular / Q000532:radiotherapy*; D003131:Combined Modality Therapy; D005500:Follow-Up Studies; D006505:Hepatitis / Q000000981:diagnostic imaging* / Q000209:etiology*; D006801:Humans; D008099:Liver / Q000000981:diagnostic imaging / Q000528:radiation effects*; D008113:Liver Neoplasms / Q000532:radiotherapy*; D008297:Male; D008875:Middle Aged; D061766:Proton Therapy; D011522:Protons / Q000009:adverse effects; D011832:Radiation Injuries / Q000000981:diagnostic imaging* / Q000209:etiology*; D011879:Radiotherapy Dosage; D014057:Tomography, X-Ray Computed
chemical_list: D011522:Protons