Gliomas are the most frequent malignant and aggressive tumors in the central nervous system. Early and effective diagnosis of glioma using diagnostic biomarkers can prolong patients’ lives and aid in the development of new personalized treatments. Therefore, a thorough and comprehensive understanding of the diagnostic biomarkers in gliomas is of great significance. To this end, we developed the integrated and web-based database GlioMarker (http://gliomarker.prophetdb.org/), the first comprehensive database for knowledge exploration of glioma diagnostic biomarkers. In GlioMarker, accurate information on 406 glioma diagnostic biomarkers from 1559 publications was manually extracted, including biomarker descriptions, clinical information, associated literature, experimental records, associated diseases, statistical indicators, etc. Importantly, we integrated many external resources to provide clinicians and researchers with the capability to further explore knowledge on these diagnostic biomarkers based on three aspects. (1) Obtain more ontology annotations of the biomarker. (2) Identify the relationship between any two or more components of diseases, drugs, genes, and variants to explore the knowledge related to precision medicine. (3) Explore the clinical application value of a specific diagnostic biomarker through online analysis of genomic and expression data from glioma cohort studies. GlioMarker provides a powerful, practical, and user-friendly web-based tool that may serve as a specialized platform for clinicians and researchers by providing rapid and comprehensive knowledge of glioma diagnostic biomarkers to subsequently facilitates high-quality research and applications.
Background: In a clinical setting, the common causes of lower gastrointestinal bleeding are often easy to identify, but some cases require detailed examinations to make a diagnosis. At present, the cause of lower gastrointestinal bleeding is unclear. The aim of this study was to review cases of children hospitalized for lower gastrointestinal bleeding in the past 5 years at our hospital and analyze the etiologies according to age group.Methods: In this study, we statistically analyzed the etiologies of lower gastrointestinal bleeding in children of different ages and sexes from Jiangxi Province, China. From January 2013 to August 2018, 8,036 patients hospitalized for lower gastrointestinal bleeding in Jiangxi Provincial Children’s Hospital were divided into groups to analyze the etiologies.Results: Of these 8,036 patients, 7,827 were clearly diagnosed. Etiologies included intussusception (4,741 cases, 60.6%), infectious diarrhea (2,171 cases, 27.7%), colon polyps (405 cases, 5.2%), Meckel’s diverticulum (292 cases, 3.7%), allergic colitis (113 cases, 1.4%), anal fissures (34 cases, 0.4%), Henoch-Schönlein purpura (27 cases, 0.3%), eosinophilic gastrointestinal disease (27 cases, 0.3%), and inflammatory bowel disease (17 cases, 0.2%). Generally, the condition presents with blood in the stool, bloody diarrhea, or fecal occult blood. Abdominal color Doppler ultrasonography, colonoscopy, computed tomography, 99 m Tc pertechnetate imaging, and other blood tests can aid in the diagnosis.Conclusions: We found that the type of lower gastrointestinal bleeding in children is related to age. Intussusception was the most common cause of intestinal obstruction overall and in infants between 6 and 36 months of age. Treatment of children with lower gastrointestinal bleeding should be based on prevention. Medical staff should actively raise awareness of the condition, identify the severity of the disease in a timely manner, make early diagnoses, provide prompt treatment, and cooperate with providers in multiple disciplines to save patients’ lives. Keywords: lower gastrointestinal bleeding, children, etiology, intussusception
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