CT and MR Findings of Anthrax Meningoencephalitis: Report of Two Cases and Review of the Literature
Hak Jin Kima,
Woong Bae Juna,
Suck Hong Leea and
Myung Ho Rhoa
a From the Department of Radiology (H.J.K., W.B.J., S.H.L.), Pusan National University Hospital, Pusan, South Korea and the Department of Radiology (M.H.R.), Masan Samsung Medical Center, South Korea.
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FIG 1. Case 1, a 53-year-old man with anthrax meningoencephalitis.
A and B, Precontrast (A) and contrast-enhanced (B) axial CT scans show diffuse subarachnoid hemorrhage and leptomeningeal enhancement. Mild ventriculomegaly is also seen.
C and D, Axial T2-weighted gradient-echo MR images (703/15 [TR/TE]) show diffuse dark signal intensities suggesting hemorrhage within the supra- and infratentorial subarachnoid spaces.
E, Contrast-enhanced axial T1-weighted MR image (513/12) shows diffuse leptomeningeal enhancement.
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FIG 2. Case 2, a 72-year-old woman with anthrax meningoencephalitis.
A, Precontrast axial CT scan shows hemorrhage at the right deep gray matter, both lateral ventricles, and cortical sulci.
B, Contrast-enhanced axial CT scan shows diffuse leptomeningeal enhancement.
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