Author Response: Detection of Cerebral Microbleeds With Venous Connection at 7-Tesla MRI

We thank the authors for the attention dedicated to our study.1 This work reports the presence of microbleeds (MBs) with a spatial connection to veins, as observed on high-resolution Quantitative Susceptibility Mapping. As we openly discuss, we cannot exclude that this observed spatial relationship is not a casual one; only neuropathologic correlation studies can provide certainty. Considering the predominantly arterial pattern of vascular amyloid-β accumulation in cerebral amyloid angiopathy, alternative vessel pathologies—such as venous collagenosis2—are more likely to play a role.

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