Medial Temporal Atrophy in Posterior Cortical Atrophy and Its Relationship to the Cingulate Island Sign. Josephs KA, Pham NTrang Thu, Graff-Radford J, Machulda MM, Lowe VJ, Whitwell JL J Alzheimers Dis. 2022; 86(1):491-498. PMID: 35068459. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow