Abstract
MRI forms an important part of the assessment of patients with HIV-related disease presenting with cerebral smyptoms. Eleven formalin-fixed brains were studied at 0.5 T using T2- and T1-weighted sequences. In two cases of progressive multifocal leucoencephalopathy and one case each of toxoplasmosis and lymphoma, the extent of white matter abnormality seen on MRI corresponded broadly with that on pathological examination. In general, however, histological changes were more frequent than lesions on MRI. Cases in which abnormalities were not seen with standard MRI included those with multiple tuberculous granulomata, multinucleate giant cells, microglial nodules, perivascular cuffing and cytomegalovirus inclusions. A common finding on MRI was punctate or patchy high signal in the basal ganglia on T2-weighted scans, seen in six cases. Corresponding histological changes included calcification of vessels with widened perivascular spaces, and mineralised neurones.
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Hawkins, C.P., McLaughlin, J.E., Kendall, B.E. et al. Pathological findings correlated with MRI in HIV infection. Neuroradiology 35, 264–268 (1993). https://doi.org/10.1007/BF00602609
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DOI: https://doi.org/10.1007/BF00602609