2005
DOI: 10.1212/01.wnl.0000183067.94400.80
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Gray matter decrease in patients with chronic tension type headache

Abstract: Using MRI and voxel-based morphometry, the authors investigated 20 patients with chronic tension type headache (CTTH) and 20 patients with medication-overuse headache and compared them to 40 controls with no headache history. Only patients with CTTH demonstrated a significant gray matter decrease in regions known to be involved in pain processing. The finding implies that the alterations are specific to CTTH rather than a response to chronic head pain or chronification per se.

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Cited by 385 publications
(285 citation statements)
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“…Using these methods, both global searches (with no a priori hypotheses) and directed searches were performed in regions predicted to show anatomical changes. Based on regions shown to have anatomical changes in other voxel-based morphometry studies of chronic pain conditions (Apkarian et al, 2004;Schmidt-Wilcke et al, 2005 and stress-related disorders, including chronic fatigue syndrome and post-traumatic stress disorder (Villarreal et al, 2002;Okada et al, 2004;Chen et al, 2006), directed searches were performed in anterior, mid, and posterior cingulate cortex, insular cortex, dorsolateral prefrontal cortex, medial prefrontal cortex, and the parahippocampal gyrus.…”
Section: Discussionmentioning
confidence: 99%
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“…Using these methods, both global searches (with no a priori hypotheses) and directed searches were performed in regions predicted to show anatomical changes. Based on regions shown to have anatomical changes in other voxel-based morphometry studies of chronic pain conditions (Apkarian et al, 2004;Schmidt-Wilcke et al, 2005 and stress-related disorders, including chronic fatigue syndrome and post-traumatic stress disorder (Villarreal et al, 2002;Okada et al, 2004;Chen et al, 2006), directed searches were performed in anterior, mid, and posterior cingulate cortex, insular cortex, dorsolateral prefrontal cortex, medial prefrontal cortex, and the parahippocampal gyrus.…”
Section: Discussionmentioning
confidence: 99%
“…Accumulating evidence now indicates that a number of chronic pain and stress-related disorders, including chronic low back pain, tension-type headache, chronic fatigue syndrome, and posttraumatic stress disorder, are characterized by gray matter reductions, although the specific regions involved differ among syndromes (Villarreal et al, 2002;Apkarian et al, 2004;Okada et al, 2004;de Lange et al, 2005;Schmidt-Wilcke et al, 2005;Chen et al, 2006). The extensive comorbidity among these disorders suggests that mechanistic similarities may underlie brain atrophy, whereas the regional differences in gray matter decline could explain differences in symptoms.…”
Section: Structural Brain Changes Related To Chronic Pain and Stress mentioning
confidence: 99%
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“…Loss of grey matter may contribute to some of the cognitive deficits that have been described in chronic pain patients. Voxel-based morphometry has been used to examine region-specific changes in grey matter volume in chronic pain patients, with regions such as the IC, the ACC and the dorsolateral PFC consistently showing reduced volumes (Apkarian et al, 2004b;Kuchinad et al, 2007;Luerding et al, 2008;May, 2008;Schmidt-Wilcke et al, 2006;Schmidt-Wilcke et al, 2005;Schmidt-Wilcke et al, 2007;Valfre et al, 2008). As discussed earlier in this section, the IC and the ACC are commonly implicated in both pain-experience processing and cognitive processing.…”
Section: Brain Morphologymentioning
confidence: 99%
“…This article is available in: http://headache.imedpub.com/ also evidence of white matter abnormalities in elderly patients with TTH (34% of the sample compared with 7% of headachefree controls) [80,81]. Further, recent research shows that CTTH is associated with impaired motor learning [82].…”
Section: Journal Of Headache and Pain Managementmentioning
confidence: 99%