Trichotillomania,also known as Hair Pulling Disorder,is a unique obsessive-compulsive spectrum disorder characterized by repeated removal of hair from various parts of the body.Patients attempt to control this behavior but often fail,causing impairment to important functional areas such as social interaction,work,and academics.Trichotillomania typically begins in childhood or adolescence,and is often comorbid with anxiety and depression.The resulting physical damage and changes in appearance further exacerbate the social functional impairment of patients,resulting in most patients being diagnosed only in adulthood,and missing the optimal intervention period.Current pharmacological treatments for Trichotillomania are not satisfactory,while various psychological therapies have shown potential value and prospects.Therefore,this article focuses on Trichotillomania in children and adolescents,providing a comprehensive review from multiple aspects including disease diagnosis,clinical characteristics and typing,functional impairment,neuroimaging mechanisms,and the latest developments in psychological therapy,to provide references for the clinical diagnosis,assessment,and effective intervention of Trichotillomania.
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