Which phrase best defines Grade 3 intraventricular hemorrhage?

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Grade 3 intraventricular hemorrhage is defined by blood within the ventricles accompanied by dilation of the ventricular system. In the standard Papile classification, Grade I is a bleed confined to the germinal matrix, Grade II is intraventricular hemorrhage without ventricular enlargement, Grade III is intraventricular hemorrhage with ventricular dilation, and Grade IV is intraventricular hemorrhage with parenchymal (intraparenchymal) hemorrhage. Describing intraparenchymal involvement fits Grade IV, not Grade III. Therefore, the phrase that best defines Grade 3 is IVH within the ventricles with dilation.