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Fig 2. MR imaging manifestations in patients with drowsiness or without disturbances of consciousness. FLAIR images show that only regional damage surrounding the aqueduct (B, C) and the floor of fourth ventricle (D, enhanced by gadolinium contrast) is observed, and no abnormal signal intensity was found in the bilateral medial thalami (A). Arrowheads indicate cavernous hemangioma in the pons (C, E; E was a CT).
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