{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:01:35Z","timestamp":1785542495791,"version":"3.56.0"},"reference-count":78,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2025,10,2]],"date-time":"2025-10-02T00:00:00Z","timestamp":1759363200000},"content-version":"vor","delay-in-days":1,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100007437","name":"TrygFonden","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100007437","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Early Intervention Psych"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Adolescence is a crucial period for the onset of both borderline personality disorder (BPD) and first\u2010episode psychosis. Although transient stress\u2010related paranoid ideation and dissociative symptoms are one of the diagnostic criteria for BPD, determining when these psychotic features progress to early\u2010stage schizophrenia remains unclear.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Two case studies aimed to explore the challenges in assessing and following up on psychotic features in BPD over time. Two adolescent girls aged 14 and 15 were initially diagnosed with BPD using semi\u2010structured clinical interviews for DSM\u2010IV personality disorder. Five years later, symptom development was explored using comprehensive diagnostic interviews.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Both cases exhibited lapses in reality testing at baseline, interpreted as transient and stress\u2010related symptoms. The first case illustrated the difficulties in distinguishing normative magical and imaginative thinking in youth from odd beliefs or bizarre fantasies and preoccupations, emphasizing the need for age\u2010adapted and elaborate, detailed phenomenological assessment of the content, duration and frequency of these experiences and their impact on functioning. The second case demonstrated the progression of psychotic features from adolescence into early adulthood and the challenge of judging whether these features crossed the threshold to psychosis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Both cases underscore the need for clinical training regarding differential diagnostics and management of psychotic features when present in early manifestations of BPD. This gap in care presents a missed opportunity for inclusion of patients in targeted early intervention programs for first\u2010episode psychosis. We propose the implementation of a continuous monitoring strategy in BPD with psychotic features.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/eip.70103","type":"journal-article","created":{"date-parts":[[2025,10,2]],"date-time":"2025-10-02T10:35:27Z","timestamp":1759401327000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Borderline Personality Disorder or First\u2010Episode Psychosis? 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