Evaluation of the psychological and biological changes of patients diagnosed with benign and malignant breast tumors.

Purpose: Posttraumatic stress disorder (PTSD) is a severe anxiety disorder developed by exposure to any incident or circumstance that results in psychological trauma. In this study we compared the psychological and physiological changes between patients with malignant and benign breast tumors.

Methods: We selected 150 Chinese women with a breast mass, aged 20 to 45 years, from the Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital between 2009 and 2011 for this study; 30 healthy participants were enrolled into the control group.