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Contrast-enhanced computed tomography (CT) confirmed lesions involving the ileum with intussusception and bowel obstruction, and all cases immediately underwent emergency laparotomy. All cases were subsequently diagnosed with HP according to histopathology. HP should therefore be considered as a rare but possible differential diagnosis for gastrointestinal bleeding and bowel intussusception, and as a possible cause of these conditions.Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha (PIK3CA) mutation has a prevalence of approximately 2% in lung adenocarcinoma. However, cases presenting a PIK3CA mutation alone have rarely been reported, and the clinical significance of a single PIK3CA mutation has not been well discussed. We present 2 similar lung adenocarcinoma cases with a single PIK3CA alteration initially but were found to have a concurrent epidermal growth factor receptor (EGFR) mutation by another genotyping afterward. Both cases experienced an excellent partial response after combination therapy of EGFR tyrosine kinase inhibitor (EGFR-TKI) and angiogenesis inhibitor, which implies that the initial absence of EGFR mutation was a false negative. PY-60 cell line A single-center retrospective study among 2,214 cases of lung adenocarcinoma regarding their genotyping was conducted. We found that the prevalence of PIK3CA mutation in lung adenocarcinoma was 1.7%, 86.5% of which had other co-existing mutations, with EGFR mutation being the most common. PIK3CA mutation tends to be concurrent with other mutations in lung adenocarcinoma. Physicians should suspect a potential false-negative driver mutation and promptly repeat genotyping when a single PIK3CA mutation is reported in the genotyping of lung adenocarcinoma. Furthermore, physicians should consider agents targeting the driver mutation rather than agents targeting the phosphatidylinositol 3-kinase(PI3K)/Akt/mammalian target of rapamycin (mTOR) pathway for treatment.
Stem cell therapy (SCT) is an emerging and promising treatment measure for many conditions (e.g., chronic liver disease, diabetes mellitus, and knee osteoarthritis). Although there are numerous meta-analyses (MAs) concerning SCT, the quality of these MAs and the efficacy and safety data for SCT reported in these MAs remain unknown. Therefore, it is of utmost importance to conduct an overview of existing MAs concerning SCT for evaluating these parameters.
We will systematically search PubMed and EMBASE databases from inception to October 2020 for identifying MAs of SCT published in English. Two independent reviewers will select appropriate MAs against the predefined eligibility criteria. The efficacy and safety data of SCT reported in MAs will be descriptively summarized. Following this, the reporting quality and methodological quality of included MAs will be appraised using Preferred Reporting Items for Systematic reviews and Meta-analyses (PRISMA) and A Measurement Tool to Assess Systematic Reviews 2 (AMSTAR-2) tools by two reviewers, respectively. Further, the evidence mapping method will be used to present assessment results. The key information will also be extracted by two independent reviewers. The Spearman's correlation coefficient will be used to explore the association between reporting quality and methodological quality. The factors influencing the quality will be assessed through linear regression analyses. The sensitivity analysis will also be conducted. Data analyses will be performed using Stata 16.0 and Excel 2016. P<0.05 will be considered statistically significant.
This overview of MAs concerning SCTs will provide comprehensive evidence on the quality of MAs and data of interest reported in MAs. Further, these data can be used to guide clinical practice and future research.
International Prospective Register of Systematic Reviews (PROSPERO) CRD42020206642.
International Prospective Register of Systematic Reviews (PROSPERO) CRD42020206642.Increasing clinical contributions and novel techniques have been made by artificial intelligence (AI) during the last decade. The role of AI is increasingly recognized in cancer research and clinical application. Cancers like gastric cancer, or stomach cancer, are ideal testing grounds to see if early undertakings of applying AI to medicine can yield valuable results. There are numerous concepts derived from AI, including machine learning (ML) and deep learning (DL). ML is defined as the ability to learn data features without being explicitly programmed. It arises at the intersection of data science and computer science and aims at the efficiency of computing algorithms. In cancer research, ML has been increasingly used in predictive prognostic models. DL is defined as a subset of ML targeting multilayer computation processes. DL is less dependent on the understanding of data features than ML. Therefore, the algorithms of DL are much more difficult to interpret than ML, even potentially impossible. This review discussed the role of AI in the diagnostic, therapeutic and prognostic advances of gastric cancer. Models like convolutional neural networks (CNNs) or artificial neural networks (ANNs) achieved significant praise in their application. There is much more to be fully covered across the clinical administration of gastric cancer. Despite growing efforts, adapting AI to improving diagnoses for gastric cancer is a worthwhile venture. The information yield can revolutionize how we approach gastric cancer problems. Though integration might be slow and labored, it can be given the ability to enhance diagnosing through visual modalities and augment treatment strategies. It can grow to become an invaluable tool for physicians. AI not only benefits diagnostic and therapeutic outcomes, but also reshapes perspectives over future medical trajectory.Irreparable rotator cuff tears (IRCTs) in young and considerably active patients are difficult to treat because it is mostly associated with poor outcome which may lead to a painful and dysfunctional shoulder. Most of the IRCTs are encountered in massive size rotator cuff tears which associated with high failure rate following surgical repair. Thus, the IRCTs was considered challenging for its poor healing rate following repair which may induce the arthritic changes. Since the advent of arthroscopic superior capsular reconstruction (ASCR) of the shoulder in 2013, it has gained its popularity. The procedure has become the most popular option for joint-preserving shoulder surgery for patients with IRCTs. It works by providing a static restraint to the superior humeral head migration to optimize the rotator cuff force couples, hence improving joint kinematics. The acceptance of superior capsular reconstruction has made it rapidly evolving in terms of a wider variety of procedures and broader surgical indications.
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