Salvatore Mazzeo, Carmen Morinelli, Cristina Polito, Giulia Giacomucci, Valentina Moschini, Assunta Ingannato, Juri Balestrini, Daniele Frigerio, Filippo Emiliani, Giulia Galdo, Chiara Crucitti, Diletta Piazzesi, Silvia Bagnoli, Sonia Padiglioni, Valentina Berti, Sandro Sorbi, Benedetta Nacmias, Valentina Bessi
Mixed primary progressive aphasia (mPPA) accounts for a substantial proportion of primary progressive aphasia (PPA) cases. However, the lack of a standardised definition of this condition has resulted in misclassification of PPA cases. In this study, we enrolled 55 patients diagnosed with PPA, comprising 12 semantic variant (svPPA), 23 logopenic variant (lvPPA), and 20 mPPA cases with linguistic characteristics consistent with both svPPA and lvPPA (s/lvPPA). All patients underwent language assessments, evaluation of Alzheimer's disease biomarkers (via cerebrospinal fluid analysis or Amyloid-PET), and 18 F-FDG-PET brain scans...
April 6, 2024: Journal of the Neurological Sciences