{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,9]],"date-time":"2026-05-09T11:40:19Z","timestamp":1778326819013,"version":"3.51.4"},"reference-count":79,"publisher":"Cambridge University Press (CUP)","issue":"3","license":[{"start":{"date-parts":[[2023,6,30]],"date-time":"2023-06-30T00:00:00Z","timestamp":1688083200000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Can. J. Neurol. Sci."],"published-print":{"date-parts":[[2024,5]]},"abstract":"<jats:title>ABSTRACT:<\/jats:title>\n                  <jats:sec id=\"S0317167123002482_as1\">\n                    <jats:title>Objectives:<\/jats:title>\n                    <jats:p>Frontotemporal dementia (FTD) patients frequently present with psychosis, which complicates diagnosis and management. In this study, we aim to examine the relationship between psychosis and the most common genetic mutations predisposing to FTD, and in the different pathological subtypes of FTD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0317167123002482_as2\">\n                    <jats:title>Design:<\/jats:title>\n                    <jats:p>We conducted a systematic review, searching the literature up to December 2022, and reviewed 50 articles that met our inclusion criteria. From the reviewed articles, we extracted and summarized data regarding the frequency of psychosis and patient characteristics in each major genetic and pathological subtype of FTD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0317167123002482_as3\">\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Among FTD patients with confirmed genetic mutations or pathological diagnosss, the frequency of psychosis was 24.2%. Among the genetic mutation carriers,\n                      <jats:italic>C9orf72<\/jats:italic>\n                      mutation carriers had the highest frequency of psychosis (31.4%), whereas\n                      <jats:italic>GRN<\/jats:italic>\n                      (15.0%) and\n                      <jats:italic>MAPT<\/jats:italic>\n                      (9.2%) mutation carriers had lower frequencies of psychosis.\n                      <jats:italic>MAPT<\/jats:italic>\n                      mutation carriers notably developed psychosis at a younger age compared to other genetic groups. The most common psychotic symptoms were delusions among\n                      <jats:italic>C9orf72<\/jats:italic>\n                      carriers and visual hallucinations among GRN mutation carriers. Among the pathological subtypes, 30% of patients with FUS pathology, 25.3% of patients with TDP-43 pathology, and 16.4% of patients with tau pathology developed psychosis. In the TDP-43 group, subtype B pathology was the most common subtype reported in association with psychosis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0317167123002482_as4\">\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Our systematic review suggests a high frequency of psychosis in specific subgroups of FTD patients. Further studies are required to understand the structural and biological underpinnings of psychosis in FTD.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1017\/cjn.2023.248","type":"journal-article","created":{"date-parts":[[2023,6,29]],"date-time":"2023-06-29T19:55:11Z","timestamp":1688068511000},"page":"369-378","source":"Crossref","is-referenced-by-count":6,"title":["A Systematic Review of the Genetics and Pathology of Psychosis in Frontotemporal Dementia"],"prefix":"10.1017","volume":"51","author":[{"given":"Atri","family":"Chatterjee","sequence":"first","affiliation":[{"name":"University of British Columbia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Veronica","family":"Hirsch-Reinshagen","sequence":"additional","affiliation":[{"name":"University of British Columbia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Imogene","family":"Scott","sequence":"additional","affiliation":[{"name":"University of British 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