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Somatoform disorders after temporal lobectomy.

Anjanette A Naga1, Orrin Devinsky, William B Barr

  • 1Department of Neurology, New York University Medical Center, New York, New York, USA.

Cognitive and Behavioral Neurology : Official Journal of the Society for Behavioral and Cognitive Neurology
|September 30, 2004
PubMed
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Anterior temporal lobectomy, particularly on the right side, is linked to developing somatoform disorders. These findings highlight the potential for right temporal lobe dysfunction to contribute to these conditions post-surgery.

Area of Science:

  • Neurology
  • Psychiatry
  • Neurosurgery

Background:

  • Psychiatric disorders like depression, anxiety, and psychosis are common after epilepsy surgery.
  • Conversion disorder is the only previously reported new-onset somatoform disorder postoperatively.
  • This study investigates other somatoform disorders following epilepsy surgery.

Purpose of the Study:

  • To identify and characterize patients who developed somatoform disorders after anterior temporal lobectomy (ATL).
  • To compare the incidence of somatoform disorders after ATL versus extratemporal surgeries.
  • To explore the association between the laterality of temporal lobe resection and somatoform disorder development.

Main Methods:

  • Retrospective chart review of 325 patients undergoing ATL.

Related Experiment Videos

  • Review of 125 patients undergoing extratemporal surgeries.
  • Data collected from surgeries performed between 1991 and 2000.

    • Main Results:

    • Ten patients developed somatoform disorders (other than conversion disorder) post-ATL; none occurred after extratemporal surgeries (P < 0.05).
    • Specific diagnoses included undifferentiated somatoform disorder, pain disorder, and body dysmorphia.
    • Somatoform disorders were significantly more prevalent after right ATL (n=9) compared to left ATL (n=1) (P < 0.025).

    Conclusions:

    • Right-sided ATL appears to contribute to the development of somatoform disorders.
    • Right temporal lobe dysfunction may play a role in idiopathic somatoform disorders.
    • Further research is warranted to understand the neurobiological underpinnings.