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PURPOSE To prospectively examine microstructural white matter abnormalities in the corpus callosum (CC) of patients with obsessive-compulsive disorder (OCD), as compared with control subjects, and to investigate the relationship between diffusion-tensor (DT) imaging measures of the CC region and clinical symptoms of OCD. MATERIALS AND METHODS(More)
We present dual-phase computed tomographic (CT) and angiographic findings of a ruptured hepatic angiosarcoma. These tumors can be divided into two types: those with and those without gross central necrosis with hemorrhage. In our case, the tumor had gross central necrosis, and CT and angiographic findings showed a small number of areas with a centripetal(More)
OBJECTIVE To determine the accuracy of postmortem computed tomography (PMCT) for the assessment of causes in nontraumatic deaths in children. STUDY DESIGN We enrolled cases of nontraumatic deaths of infants and children who underwent PMCT at a single center. The presumed cause of death determined by PMCT was prospectively compared with the clinical and(More)
OBJECTIVES The diagnostic value of 3.0-Tesla magnetic resonance imaging (MRI) for prostate cancer remains to be determined. The aim of the present study was to assess the features of prostate cancer detectable by prebiopsy 3.0-Tesla MRI. METHODS From January 2007 through to December 2008, 116 patients who were examined by prebiopsy 3.0-Tesla MRI underwent(More)
The purpose of the present study was to develop a communication aid device utilizing event-related potentials (ERPs) for patients with severe motor disabilities. Preliminary experiments were performed on eight healthy volunteers to determine the optimal methods of presentation of visual stimuli and an off-line analysis of electroencephalography signals.(More)
The regulatory interaction between gene expressions is considered as a universal mechanism in biological systems and such a mechanism of interactions has been modeled as gene regulatory networks. The gene regulatory networks show a correlation among gene expressions. A lot of methods to describe the gene regulatory network have been developed. Especially,(More)