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AJNR - American Journal of Neuroradiology

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The Role of Conventional MR Imaging Sequences in the Evaluation of Neurocysticercosis: Impact on Characterization of the Scolex and Lesion Burden

L.T. Lucato^a, M.S. Guedes^a, J.R. Sato^c, L.A. Bacheschi^b, L.R. Machado^b and C.C. Leite^a

^a From the Department of Radiology, Clinics Hospital of the University of São Paulo, School of Medicine, São Paulo, Brazil
^b Department of Neurology, Clinics Hospital of the University of São Paulo, School of Medicine, São Paulo, Brazil
^c Institute of Mathematics and Statistics, University of São Paulo, São Paulo, Brazil

View larger version (32K): [in this window] [in a new window]   Fig 1. Axial T1-weighted (A), axial T2-weighted (B), axial FLAIR (C), axial gadolinium-enhanced T1-weighted (D), and last gadolinium-enhanced (coronal) T1-weighted images (E) show that there is a left frontal lesion characterized clearly only in the last gadolinium-enhanced image (arrow in E). Notice also the presence of a left parasagittal parietal lesion, cystic, with the scolex seen as a bright dot in the FLAIR image (arrowhead in C).

View larger version (27K): [in this window] [in a new window]   Fig 2. Axial T1-weighted (A), axial T2-weighted (B), axial FLAIR (C), and gadolinium-enhanced axial T1-weighted (D) images demonstrate that the ability to detect the scolex is present, in this case, only in the FLAIR image (arrow in C).