title: Outcome in AIDS-related systemic non-Hodgkin lymphoma and leptomeningeal disease is not predicted by a CT brain scan.
abstract: OBJECTIVE
  AIDS-related systemic non-Hodgkin lymphoma (ARL) remains a significant cause of morbidity and mortality in patients infected with the human immunodeficiency virus (HIV-1), and leptomeningeal disease in this setting has a dismal prognosis. We investigated the utility of brain CT in determining the outcome of leptomeningeal disease, despite MR imaging being the gold standard.
  
  
  METHODS
  From a cohort of 9621 HIV-1-seropositive individuals, we identified those diagnosed with ARL in the highly active antiretroviral therapy (HAART) era who had both a lumbar puncture and central nervous system imaging using a CT brain scan at the time of initial diagnosis, and we compared survival parameters between those with and without leptomeningeal disease.
  
  
  RESULTS
  In a cohort of 82 individuals with ARL treated in the era of HAART, we found that the survival of individuals with leptomeningeal disease defined as the presence of cells in the CSF was worse compared with that of other patients (P = .0026). However, when defined by the presence of abnormal enhancement or parenchymal lesions on a CT scan, the outcome was not significantly different.
  
  
  CONCLUSIONS
  A CT brain scan appears not to offer additional prognostic information following a lumbar puncture in patients with ARL.
authors: Department of Oncology, Imperial College School of Science, Medicine and Technology, Chelsea and Westminster Hospital, London, United Kingdom.
authors: C L
authors: CL
authors: Davies
authors: R
authors: R
authors: Chinn
authors: M
authors: M
authors: Nelson
authors: M
authors: M
authors: Rasanesan
authors: B
authors: B
authors: Gazzard
authors: T
authors: T
authors: Powles
authors: M
authors: M
authors: Bower
authors: J
authors: J
authors: Stebbing
mesh_terms: D000328:Adult; D000368:Aged; D023241:Antiretroviral Therapy, Highly Active; D001921:Brain / Q000000981:diagnostic imaging*; D005260:Female; D015497:HIV-1; D006801:Humans; D016483:Lymphoma, AIDS-Related / Q000188:drug therapy / Q000401:mortality*; D008228:Lymphoma, Non-Hodgkin / Q000000981:diagnostic imaging* / Q000188:drug therapy / Q000401:mortality; D008297:Male; D008577:Meningeal Neoplasms / Q000000981:diagnostic imaging* / Q000401:mortality; D008875:Middle Aged; D011379:Prognosis; D015996:Survival Rate; D014057:Tomography, X-Ray Computed