This article emphasizes so-called Rayleigh fading, primarily in the UHF band, that affects mobile systems such as cellular and personal communication systems (PCS). The major elements that contribute to fading and their degradation effects in a communication channel are briefly summarized. Emphasis is then placed on methods for mitigating the degradation. Two examples of specific mitigation tec...

PURPOSE We hypothesized that quantitative PET parameters may have predictive value beyond that of traditional clinical factors such as the International Prognostic Score (IPS) among Hodgkin's disease (HD) patients. METHODS Thirty HD patients treated at presentation or relapse had staging and interim-treatment PET-CT scans. The majority of patients (53%) had stage III-IV disease and 67% had IP...

OBJECTIVES/HYPOTHESIS The study aimed to investigate the prognostic effects of interim (18) fluoro-2-deoxy-D-glucose positron emission tomography/computed tomography (PET/CT) during definitive radiotherapy (RT) or chemoradiotherapy (CRT) in patients with head and neck cancer. STUDY DESIGN This is a prospectively treatment study. METHODS The pretreatment and interim PET/CT images of 51 patie...

Independent data monitoring committee is responsible for review of the ongoing safety of participants and the validity and integrity of data in clinical trials and for making recommendations to the sponsor whether the trial should continue as planned, be modified or be terminated because of safety concern, futility of the trial, or treatment benefit. Use of DMCs by government and industry spons...

Research has consistently demonstrated that testing prior to the presentation of misleading post-event information, within the context of a standard eyewitness misinformation paradigm, results in an increase in the misinformation effect. The present study investigated whether changes in misinformation susceptibility in the context of interim testing are affected by retention interval difference...

The current study aimed to explore whether the efficiency of the standard International Prognostic Index (S-IPI), revised-IPI (R-IPI) and enhanced-IPI (NCCN-IPI) in evaluating the prognosis of patients with diffuse large B-cell lymphoma (DLBCL) may be improved by interim 18F-FDG PET/CT. A total of 185 patients with newly diagnosed DLBCL were enrolled in the current study. All patients underwent...