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Examples of visual rating of the extent of occipital calcifications on CT (A, C, E, and G) and corresponding T2*-weighted gradient-echo images without MT pulse (B, D, F, and H) in patients with CEC: minimal (score = 1) (A and B), mild (score = 2) (C and D), moderate (score = 3) (E and F), and severe (score = 4) (G and H). Only moderate and severe calcifications are appreciable as areas of low signal intensity in T2*-weighted images.
