Chen Y, Zhou G, Wang Y, Liu M, Bai X, Zheng J, Cui B, Lu J, Tian Q. AlignPET: Structure-Aligned MRI-to-PET Synthesis via Variational Autoregression Model for Ischemic Brain Lesions. In: Proceedings of the Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition, Cape Town, South Africa. Program #331-02-006.