Secondary obsessive-compulsive syndromes: a systematic literature review resulting in 228 suspected cases.

ABSTRACT: Secondary forms of obsessive-compulsive disorder (OCD) have clear underlying organic causes and are recognized as distinct nosological entities in the latest international classification systems. This study aims to provide a systematic overview of published cases of suspected secondary obsessive-compulsive syndromes. A systematic literature search of PubMed, Embase, Web of Science, and PsycINFO was conducted oriented on PRISMA criteria. Cases from case studies/series of patients with suspected secondary obsessive-compulsive syndromes and/or secondary obsessive-compulsive symptoms were included. Cases of obsessive-compulsive symptoms due to pediatric acute-onset neuropsychiatric syndrome (PANS) and pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PAN

SUBMITTER: Runge K 

PROVIDER: S-EPMC12815680 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature