Empyema caused by infection with Clostridium septicum in a patient with lung cancer

Clinical Application of Indocyanine Green Fluorescence Combined with Nanocarbon Tracing and Platinum Nanoparticles in Detection and Localization of Sentinel Lymph Node of Papillary Thyroid Carcinoma

Objective: To explore the clinical application value of indocyanine green fluorescence combined with carbon nanotracer combined with platinum nanoparticles in the localization of sentinel lymph node (SLN) in papillary thyroid carcinoma (PTC). Methods: A total of 90 PTC patients who received surgical treatment were selected for this research. Indocyanine green fluorescence combined with nano-carbon and platinum nanoparticles was used prior to biopsy. The surgically resected sentinel lymph nodes and other dissected lymph nodes were frozen for pathological examination, and the related indexes of the two groups were compared. Results: The detection rate, accuracy and sensitivity of SLN in the observation group were significantly higher than that of control group. In addition, the false negative rate was significantly higher in control group. There was no significant difference in the average number of detected SLNs between the two groups. It was found that the patient’s gender, age, tumor size, tumor multifocality, TNM stage and other pathological parameters had no significant effect on the detection rate and accuracy of SLN. Conclusion: Indocyanine green fluorescence combined with carbon nanotracer and platinum nanoparticles as a lymph node tracer has good visibility and detection rate of SLN and has high value in clinical application value in SLN biopsy of papillary thyroid carcinoma.

Overexpression of the Long Noncoding RNA HIF2PUT Inhibits Non-Small Cell Lung Cancer Cell Proliferation and Invasion Through HIF-2a Pathway

Objective: The role and molecular mechanism of long-chain noncoding RNAs (lncRNAs) in lung cancer remain to be elucidated. The aim of this study was to investigate the association between a long coding RNA hypoxia-inducible factor-2α (HIF-2α) promoter upstream transcript (HIF2PUT) and clinical characteristics of non-small cell lung cancer (NSCLC) and its regulatory role in NSCLC. Materials and Methods: The correlation between HIF2PUT expression and pathological features of NSCLC was analyzed in NSCLC patient samples. Real-time polymerase chain reaction and Western blot were used to detect genes' mRNA and protein expression, respectively. Cell proliferation assay, invasion, and transwell assay were performed to determine the effects of HIF2PUT on NSCLC cells. Results: lncRNA HIF2PUT was downregulated in NSCLC tissues and cell lines. The authors also indicated that HIF2PUT mainly expressed in cytoplasm and overexpression of HIF2PUT attenuates cell proliferation and invasion in NSCLC cells. Moreover, low expression of HIF2PUT was significantly related to TNM stage (p = 0.045) and histological type (p = 0.025). Furthermore, they found that HIF2PUT plays role in cell proliferation and invasion in NSCLC through regulating HIF-2a. Conclusion: Based on the study, the inhibitory role of HIF2PUT on NSCLC proliferation, invasion could be blocked by HIF-2a silencing. In summary, this study suggests that HIF2PUT and HIF-2a may play an important role in the regulation of NSCLC progression, which provides new insights for clinical treatment.