title: Lymphoma presenting as an echogenic periportal mass: sonographic findings.
abstract: Abdominal lymphoma usually appears as homogeneous, markedly hypoechoic masses on sonography. We report a case of primary lymphoma presenting as an extrahepatic and intrahepatic periportal echogenic mass encasing the hepatic vessels.
authors.affiliation: Department of Diagnostic Radiology, Institute of Gastroenterology, Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, Seodaemun-ku, Shinchon-dong 134, Seoul 120-752, South Korea.
authors.forename: Honsoul
authors.initials: H
authors.lastname: Kim
authors.forename: Ki Whang
authors.initials: KW
authors.lastname: Kim
authors.forename: Mi-Suk
authors.initials: MS
authors.lastname: Park
authors.forename: Hyunki
authors.initials: H
authors.lastname: Kim
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006499:Hepatic Artery / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D008113:Liver Neoplasms / Q000000981:diagnostic imaging*; D008228:Lymphoma, Non-Hodgkin / Q000000981:diagnostic imaging*; D008297:Male; D011169:Portal Vein / Q000000981:diagnostic imaging / Q000473:pathology; D014057:Tomography, X-Ray Computed; D018615:Ultrasonography, Doppler, Color