Diagnostic accuracy of SPECT, PET, and MRS for primary central nervous system lymphoma in HIV patients A systematic review and meta-analysis

作者:Yang, Mo; Sun, James; Bai, Harrison X.; Tao, Yongguang; Tang, Xiangqi; States, Lisa J.; Zhang, Zishu; Zhou, Jianhua; Farwell, Michael D.; Zhang, Paul; Xiao, Bo*; Yang, Li*
来源:Medicine, 2017, 96(19): e6676.
DOI:10.1097/MD.0000000000006676

摘要

Background: We performed a systematic review and meta-analysis to assess the roles of SPECT, PET, and MRS in distinguishing primary central nervous system lymphoma (PCNSL) from other focal brain lesions (FBLs) in human immunodeficiency virus (HIV)-infected patients. @@@ Methods: PubMed, Scopus, and Medline were systematically searched for eligible studies from 1980 to 2016. Two authors extracted characteristics of patients and their lesions using predefined criteria. @@@ Results: Eighteen studies on SPECT containing 667 patients, 6 studies on PET containing 108 patients, and 3 studies on MRS containing 96 patients were included. SPECT had a pooled sensitivity of 0.92 (95% CI: 0.85-0.96) and specificity of 0.84 (95% CI: 0.74-0.90) in differentiating PCNSL from other FBLs. For the 6 studies that used only pathology and/or serology as the gold standard, the pooled sensitivity was 0.85 (95% CI: 0.72-0.97) and the pooled specificity was 0.73 (95% CI: 0.54-0.92). @@@ Conclusion: SPECT has good diagnostic accuracy for discriminating PCNSL from other FBL-causing disorders in HIV patients. However, the actual sensitivity and specificity of SPECT may be lower than expected if only pathology and/or serology was used as the gold standard. PET may be superior but has less supporting clinical data and is more expensive.