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AJNR - American Journal of Neuroradiology

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Fluid-Attenuated Inversion Recovery MR Imaging and Subarachnoid Hemorrhage: Not a Panacea

Mona Mohamed^a, D. Cressler Heasely^a, Banu Yagmurlu^a and David M. Yousem^a

^a From The Russell H. Morgan Department of Radiology and Radiological Sciences, Division of Neuroradiology, Johns Hopkins Hospital, Baltimore, MD

View larger version (97K): [in a new window]   FIG 1. Case 9, with negative CT and negative FLAIR MR imaging findings. Although lumbar puncture results were positive, FLAIR MR images obtained at multiple levels were negative for SAH.

View larger version (109K): [in a new window]   FIG 2. Case 12, with negative CT and positive FLAIR MR imaging findings. A, No SAH shown on CT scan. B, FLAIR MR image interpreted as showing SAH based on presence of high intensity in right occipital lobe sulci (arrows).