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Fig 13. Coronal SS-FSE T2-weighted image demonstrates a 24-week twin gestation complicated by twin-twin transfusion syndrome requiring in utero laser ablation of placental vessels. The smaller, donor, twin has focal area of hyperintensity (arrow) adjacent to the left frontal horn, with ex vacuo enlargement of the frontal horn. Periventricular white matter injury with coagulative necrosis was found at autopsy.
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