Gliomas are common brain tumors with a variable prognosis based on their tumor grade. With glioblastomas, the prognosis is usually unfavorable. Thus, having accurate and rapid methods for their diagnosis and follow-up are essential for rapid discovery of the tumor and to protect patients from unnecessary procedures. Some glioma cases are challenging since there is a limited ability to differentiate between gliomas, recurrent glioblastomas, and single metastatic lesions. Monitoring treatment responses and follow-ups can also be challenging. While both radiological and serological markers have been identified that can aid diagnosis and assess therapies, a particularly promising new class of serological markers are long non-coding RNAs. Long non-coding RNAs are a relatively recently discovered class of regulatory RNA molecules that play critical roles in many cellular and physiological processes. The potential role that long non-coding RNAs play with glioma pathogenic processes is not fully understood. In this literature review, we highlight the potential for long noncoding RNAs to be used as serum biomarkers in glioblastoma patients, including their potential to serve as non-invasive, easy to use, and rapid diagnostic or prognostic indicators.

Background Since the emergence of the first COVID-19 case in Wuhan, the virus affected several health care systems. Globally, the COVID-19 has a transforming effect on health care provision. Substantial evidence was clear that the global surgical services were impacted. The field of neurosurgery was primarily affected, and most elective surgeries were suspended. There are no current reports from Egypt that describe the mortality outcome of neurosurgical procedures in the context of the pandemic. Methods We performed that study at a large tertiary center in Egypt (Cairo University Hospital). It is a single-center matched cohort study. Results Our results examined about 346 patients earlier during the COVID-19 pandemic. About 46 (13.29%) were unmatched, so we excluded them from the final analysis of the data. About 300 patients' were matched to 304 patients' before the pandemic in 2019. The mortality outcome of neurosurgical interventions was higher during the pandemic. Conclusions Amid the COVID-19 pandemic, the mortality outcome of neurosurgical procedures was higher than on regular days at our center. The anesthesia time was prolonged while the operation time was shortened. We strongly suggest further multicenter studies to assess the effect of COVID-19 on neurosurgical mortality and functional outcome.

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