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FIG 4. A and B, Flow ghosts of CSF are pronounced on 3D-CISS (16/8/1) sequence (white arrows, A); however, no ghosts are seen on 3D-FASE (5000/241.6/1) image (B) in this volunteer. Note that the shape of the vestibule near the oval window is deformed on the 3D-CISS image (black arrow, A) but not on the 3D-FASE image (black arrow, B)
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