Trichotillomania (hair pulling disorder), skin picking disorder, and stereotypic movement disorder: toward DSM‐V

@article{Stein2010TrichotillomaniaP,
  title={Trichotillomania (hair pulling disorder), skin picking disorder, and stereotypic movement disorder: toward DSM‐V},
  author={Dan J Stein and Jon E. Grant and Martin E. Franklin and Nancy J. Keuthen and C. Lochner and Harvey S. Singer and Douglas W. Woods},
  journal={Depression and Anxiety},
  year={2010},
  volume={27}
}
In DSM‐IV‐TR, trichotillomania (TTM) is classified as an impulse control disorder (not classified elsewhere), skin picking lacks its own diagnostic category (but might be diagnosed as an impulse control disorder not otherwise specified), and stereotypic movement disorder is classified as a disorder usually first diagnosed in infancy, childhood, or adolescence. ICD‐10 classifies TTM as a habit and impulse disorder, and includes stereotyped movement disorders in a section on other behavioral and… 

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Trichotillomania is currently classified as an impulse control disorder not otherwise classified, whereas body-focused behaviors other than hair-pulling may be diagnosed as stereotypic movement

Is trichotillomania a stereotypic movement disorder? An analysis of body-focused repetitive behaviors in people with hair-pulling.

TLDR
The high rates of skin-picking and nail-biting in people with hair-pulling, and their association with increased disability, is consistent with previous clinical observations, and supports the argument that trichotillomania can usefully be conceptualized as a stereotypic disorder.

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TLDR
Patients with trichotillomania and pathological skin‐picking were compared in terms of several demographic, clinical, clinical (comorbid axis I and II disorders), and personality variables.

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The pathology of trichotillomania spans both neurological and psychosocial domains, and a case is presented that illustrates many of the complexities of the phenomenology and treatment of this disorder.

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Trichotillomania, a disorder characterized by repetitive hair pulling, has been only recently systematically investigated. Such research was encouraged by data that showed obsessive-compulsive

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TLDR
It is argued that a view of trichotillomania as an obsessive-compulsive spectrum disorder that may involve disturbances in grooming behaviors comprises a useful clinical and research heuristic.

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TLDR
It is suggested that compulsive skin picking is an under-recognized problem that commonly occurs as a symptom of BDD, is associated with significant morbidity, and may respond to psychiatric rather than dermatologic treatment.

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TLDR
Animal neuroimaging research in related disorders such as obsessive-compulsive disorder and trichotillomania provides useful information for understanding PSP and may assist in the proper characterization of PSP.
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