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  • Title: Neuroimaging of primary central nervous system lymphoma in immunocompetent patients: comparison of recent and previous findings.
    Author: Adachi K, Yamaguchi F, Node Y, Kobayashi S, Takagi R, Teramoto A.
    Journal: J Nippon Med Sch; 2013; 80(3):174-83. PubMed ID: 23832401.
    Abstract:
    The typical neuroimaging features of primary central nervous system lymphoma (PCNSL) have been described as single or multiple intra-axial, homogenous, contrast-enhancing lesions with marked perilesional edema and restricted diffusion, usually contacting the cerebrospinal fluid surface. Necrosis, peripheral enhancement, hemorrhages, and calcifications are unusual. Recently, some of our patients with PCNSL have had atypical neuroimaging features even before treatment. In this article, we review the neuroimaging characteristics of PCNSL in immunocompetent patients and analyzed how imaging findings over the last 10 years differ from those from more than 10 years ago. Neuroimaging findings suggest that PCNSL is a disease that affects the entire brain. Although some imaging findings are characteristic of PCNSL, the frequency of atypical findings on conventional neuroimaging is increasing. Atypical neuroimaging findings do not rule out PCNSL, even in immunocompetent patients.
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