Structure of orbitofrontal cortex and its longitudinal course in cancer-related post-traumatic stress disorder

Yuko Hakamata, Yutaka Matsuoka, Masatoshi Inagaki, Mitsue Nagamine, Eriko Hara, Shigeru Imoto, Koji Murakami, Yoshiharu Kim, Yosuke Uchitomi

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

The neurobiological basis of cancer-related post-traumatic stress disorder (PTSD) has never been studied. We investigated brain structural alterations and the longitudinal courses in patients with cancer-related PTSD. Baseline scans using magnetic resonance imaging were performed in 14 cancer survivors with PTSD, 100 without PTSD, and 70 healthy subjects. Follow-up scans were performed 2 years later in 76 cancer survivors (PTSD, n = 9; non-PTSD, n = 67). Using voxel-based morphometry, the gray matter volume (GMV) of the cancer survivors with PTSD was compared with the GMVs of those without PTSD and of the healthy subjects. The effects of the interactions between the diagnosis and the timing of the GMV measurements were examined. The GMV of the right orbitofrontal cortex (OFC) was significantly smaller in cancer survivors with PTSD than in those without PTSD or healthy subjects. The interaction between the diagnosis and the timing of the right OFC's GMV measurement was not significant. The OFC, which is thought to be involved in the extinction of fear conditioning and the retrieval of emotional memory, might play an important role in the pathophysiology of PTSD. Moreover, the OFC's GMV may remain constant after the development of cancer-related PTSD.

Original languageEnglish
Pages (from-to)383-389
Number of pages7
JournalNeuroscience Research
Volume59
Issue number4
DOIs
Publication statusPublished - 2007 Dec
Externally publishedYes

Fingerprint

Post-Traumatic Stress Disorders
Prefrontal Cortex
Neoplasms
Survivors
Healthy Volunteers
Traumatic Stress Disorders
Fear
Magnetic Resonance Imaging
Gray Matter

Keywords

  • Longitudinal course
  • Magnetic resonance imaging
  • Orbitofrontal cortex
  • Post-traumatic stress disorder
  • Voxel-based morphometry

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Hakamata, Y., Matsuoka, Y., Inagaki, M., Nagamine, M., Hara, E., Imoto, S., ... Uchitomi, Y. (2007). Structure of orbitofrontal cortex and its longitudinal course in cancer-related post-traumatic stress disorder. Neuroscience Research, 59(4), 383-389. https://doi.org/10.1016/j.neures.2007.08.012

Structure of orbitofrontal cortex and its longitudinal course in cancer-related post-traumatic stress disorder. / Hakamata, Yuko; Matsuoka, Yutaka; Inagaki, Masatoshi; Nagamine, Mitsue; Hara, Eriko; Imoto, Shigeru; Murakami, Koji; Kim, Yoshiharu; Uchitomi, Yosuke.

In: Neuroscience Research, Vol. 59, No. 4, 12.2007, p. 383-389.

Research output: Contribution to journalArticle

Hakamata, Y, Matsuoka, Y, Inagaki, M, Nagamine, M, Hara, E, Imoto, S, Murakami, K, Kim, Y & Uchitomi, Y 2007, 'Structure of orbitofrontal cortex and its longitudinal course in cancer-related post-traumatic stress disorder', Neuroscience Research, vol. 59, no. 4, pp. 383-389. https://doi.org/10.1016/j.neures.2007.08.012
Hakamata, Yuko ; Matsuoka, Yutaka ; Inagaki, Masatoshi ; Nagamine, Mitsue ; Hara, Eriko ; Imoto, Shigeru ; Murakami, Koji ; Kim, Yoshiharu ; Uchitomi, Yosuke. / Structure of orbitofrontal cortex and its longitudinal course in cancer-related post-traumatic stress disorder. In: Neuroscience Research. 2007 ; Vol. 59, No. 4. pp. 383-389.
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