Publication Detail

Citation : Nakamoto BK, Shikuma CM, Ogata-Arakaki D, Umaki T, Neuwelt EA, Shiramizu BT, Chow DC, Parikh NI, Kallianpur KJ, Hamilton BE. (2013)
Feasibility and potential role of ferumoxytol-enhanced neuroimaging in HIV-associated neurocognitive disorder.
J Neurovirol 19(6):601-5.
Abstract : We assessed ferumoxytol-enhanced brain MRI to identify monocyte/macrophage accumulation in HIV-associated neurocognitive disorder (HAND). Four HIV-infected subjects with undetectable HIV RNA levels on antiretroviral therapy, HIV DNA level in CD14+ cells â?¥10 copies/10(6) cells, and cognitive impairment underwent ferumoxytol-enhanced brain MRI. On post-ferumoxytol susceptibility-weighted images, all HIV-infected subjects demonstrated a diffuse "tram track" appearance in the perivascular regions of cortical and deep white matter vessels suggesting ferumoxytol uptake in monocytes/macrophages. This finding was not present in an HIV-seronegative control. While ferumoxytol may have potential as an imaging biomarker for monocyte/macrophage accumulation in patients with HAND, future study is needed.
URL Link : http://www.ncbi.nlm.nih.gov/pubmed/24129909
PMID : 24129909
PMCID : PMC3947641
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