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A 19-year-old woman with holocranial headaches for 6 months, vomiting for 1 month, and an unsteady gait for 15 days (GAE).Non contrast–enhanced CT (A)

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Presentation on theme: "A 19-year-old woman with holocranial headaches for 6 months, vomiting for 1 month, and an unsteady gait for 15 days (GAE).Non contrast–enhanced CT (A)"— Presentation transcript:

1 A 19-year-old woman with holocranial headaches for 6 months, vomiting for 1 month, and an unsteady gait for 15 days (GAE).Non contrast–enhanced CT (A) and contrast-enhanced CT (B) scans reveal multiple hyperattenuated oval lesions on the non contrast–enhanc... A 19-year-old woman with holocranial headaches for 6 months, vomiting for 1 month, and an unsteady gait for 15 days (GAE).Non contrast–enhanced CT (A) and contrast-enhanced CT (B) scans reveal multiple hyperattenuated oval lesions on the non contrast–enhanced CT scan (arrows), suggestive of hemorrhage. These lesions show intense enhancement on contrast-enhanced CT (arrows). A large nonenhancing cystic lesion is seen in the left parietal lobe (arrowheads).Axial T2-weighted MR image (C) shows multiple hyperintense oval lesions with perilesional edema and the cystic lesion in the left parietal lobe. Intense postcontrast enhancement of the lesions is seen on the sagittal contrast-enhanced MR image (D).Coronal cut section of the brain (E) shows multiple hemorrhagic lesions (arrows). Photomicrograph (F) shows the characteristic rounded amebic trophozoites (curved arrows) on an inflammatory background (H&E, original magnification ×40). P. Singh et al. AJNR Am J Neuroradiol 2006;27: ©2006 by American Society of Neuroradiology

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