4.6 Article

Brain glucose metabolism on [18F]-FDG PET/CT: a dynamic biomarker predicting depression and anxiety in cancer patients

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FRONTIERS IN ONCOLOGY
卷 13, 期 -, 页码 -

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FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2023.1098943

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glucose metabolism; cancer; depression; anxiety disorder; positron emission

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This study explored the correlation between the incidence rates of depression and anxiety and cerebral glucose metabolism in cancer patients. The results showed that patients with lung cancer had higher rates of depression and anxiety compared to other tumor patients, and their brain glucose metabolism was different in several areas. Poor pathological differentiation and advanced TNM stage were associated with higher depression and anxiety risk. The study revealed the correlation between brain glucose metabolism and emotional disorders in cancer patients.
ObjectivesTo explore the correlation between the incidence rates of depression and anxiety and cerebral glucose metabolism in cancer patients. MethodsThe experiment subjects consisted of patients with lung cancer, head and neck tumor, stomach cancer, intestinal cancer, breast cancer and healthy individuals. A total of 240 tumor patients and 39 healthy individuals were included. All subjects were evaluated by the Hamilton depression scale (HAMD) and Manifest anxiety scale (MAS), and were examined by whole body Positron Emission Tomography/Computed Tomography (PET/CT) with 18F-fluorodeoxyglucose (FDG). Demographic, baseline clinical characteristics, brain glucose metabolic changes, emotional disorder scores and their relations were statistically analyzed. ResultsThe incidence rates of depression and anxiety in patients with lung cancer were higher than those in patients with other tumors, and Standard uptake values (SUVs) and metabolic volume in bilateral frontal lobe, bilateral temporal lobe, bilateral caudate nucleus, bilateral hippocampus, left cingulate gyrus were lower than those in patients with other tumors. We also found that poor pathological differentiation, and advanced TNM stage independently associated with depression and anxiety risk. SUVs in the bilateral frontal lobe, bilateral temporal lobe, bilateral caudate nucleus, bilateral hippocampus, left cingulate gyrus were negatively correlated with HAMD and MAS scores. ConclusionThis study revealed the correlation between brain glucose metabolism and emotional disorders in cancer patients. The changes in brain glucose metabolism were expected to play a major role in emotional disorders in cancer patients as psychobiological markers. These findings indicated that functional imaging can be applied for psychological assessment of cancer patients as an innovative method.

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