Abstract #4124

Magnetic Resonance Imaging of hippocampal subfield in a large sample of posttraumatic stress disorder

Lianqing Zhang¹, Xingyu Hu¹, Shiguang LI², Lei Li ¹, Lizhou Chen¹, Qi Liu¹, Lu Lu¹, Qiyong Gong¹, and Xiaoqi Huang¹

¹Huaxi MR Research Center (HMRRC), radiology department, West China Hospital of Sichuan University, Chengdu, China, People's Republic of, ²radiology department, The First People's Hospital of Zunyi, Zunyi, China, People's Republic of

We analysis hippocampal subfields volume changes in a relatively large sample of adult patients with post-traumatic stress disorder and same stressor event survivors using an automatically segmentation protocol. Our findings provided evidence that the responsive change of hippocampus after stress which cause cellular edema or at a early stage of the disorder. The second find is the difference between genders referring to the role of hippocampus in PTSD etiology. Male patients seem to be more likely affected in right hippocampus while in female patients, left hippocampus seems contributed more.

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