Distinguishing between Hypochondriasis and Somatization Disorder: A Review of the Existing Literature

@article{Noyes2006DistinguishingBH,
  title={Distinguishing between Hypochondriasis and Somatization Disorder: A Review of the Existing Literature},
  author={Russell Noyes and Scott P. Stuart and David B. Watson and Douglas R. Langbehn},
  journal={Psychotherapy and Psychosomatics},
  year={2006},
  volume={75},
  pages={270 - 281}
}
A valid classification is important for further understanding of the somatoform disorders. The main disorders in this grouping – somatization disorder and hypochondriasis – have lengthy historical traditions and are defined in a contrasting manner. Various authors point to distinguishing demographic and clinical features, but there have been few direct comparisons of patients with these disorders. A review of the literature indicates those domains where differences are most likely to be found… 

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TLDR
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Somatization in Post-Concussion Syndrome: A Retrospective Study
TLDR
A clinically significant number of patients (55%) were found to be somatization their symptoms and a significant majority (78%) of somaticizing patients reported no loss of consciousness, retrograde amnesia, or post-traumatic amnesia but their symptom validity scales were significantly exaggerated.
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