Notes

[Steroidi tra necessità e tossicità].
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Level II. Prospective controlled cohort study.
Level II. Prospective controlled cohort study.The coronavirus disease 19 (COVID-19) outbreak caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) had turned out to be highly pathogenic and transmittable. Researchers throughout the globe are still struggling to understand this strain's aggressiveness in search of putative therapies for its control. Crosstalk between oxidative stress and systemic inflammation seems to support the progression of the infection. Glycogen synthase kinase-3 (Gsk-3) is a conserved serine/threonine kinase that mainly participates in cell proliferation, development, stress, and inflammation in humans. Nucleocapsid protein of SARS-CoV-2 is an important structural protein responsible for viral replication and interferes with the host defence mechanism by the help of Gsk-3 protein. The viral infected cells show activated Gsk-3 protein that degrades the Nuclear factor erythroid 2-related factor (Nrf2) protein, resulting in excessive oxidative stress. Activated Gsk-3 also modulates CREB-DNA activity, phosphorylates NF-κB, and degrades β-catenin, thus provokes systemic inflammation. Interaction between these two pathophysiological events, oxidative stress, and inflammation enhance mucous secretion, coagulation cascade, and hypoxia, which ultimately leads to multiple organs failure, resulting in the death of the infected patient. The present review aims to highlight the pathogenic role of Gsk-3 in viral replication, initiation of oxidative stress, and inflammation during SARS-CoV-2 infection. The review also summarizes the potential Gsk-3 pathway modulators as putative therapeutic interventions in combating the COVID-19 pandemic.Candida tropicalis is an emerging fungal pathogen associated with high mortality. We aimed to compare adherence capability of C. β-Glycerophosphate tropicalis to polystyrene and epithelial cell lines (HeLa and Vero), and determine whether adherent blastoconidia is cell-type specific. Blastoconidia adhesion to epithelial cells and polystyrene were determined by crystal violet assay. The percentage of epithelial cells with adhered blastoconidia and the number of adhered blastoconidia per cell line were determined by light microscopy. The correlation between adhesion surfaces was assessed by Pearson's correlation coefficient. The adhesiveness of C. tropicalis to polystyrene was greater than that observed for ephitelial cells. High correlation values (r2 0.9999222, p 0.007941) were found for the adhesion capability between biotic and polystyrene surface for isolates 100.10 (obtained from blood) and 335.07 (obtained from tracheal secretion). The number of adherent blastoconidia per HeLa cell was greater in comparison to that observed for Vero cells (P less then 0.05). Further, high correlation (r2 1, p 0.0001) was found for the adhesion ability between HeLa cells and Vero cells. The results suggest a correlation of C. tropicalis adhesion capability among different surfaces, and that the adhesion to epithelial cells is specific to the cell type.Imaging has recently been acknowledged as at least equivalent to histology for confirming large-vessel vasculitis in the recommendations of scientific societies. Many studies have been recently published on the use of ultrasound, magnetic resonance imaging (MRI), computed tomography (CT) and fluorodeoxyglucose (FDG) positron emission tomography (PET) in giant cell arteritis and Takayasu arteritis. Ultrasound, MRI and CT show concentric, arterial wall thickening in vasculitis. PET demonstrates enhanced FDG uptake of inflamed artery walls due to increased glucose metabolism. Ultrasound is particularly useful for smaller arteries like the temporal arteries due to its high resolution. MRI and PET/CT provide an excellent overview particularly on extracranial arteries. However, ultrasound can also detect extracranial vasculitis while PET/CT may delineate vasculitis in temporal arteries. The diagnosis needs to be confirmed without delay as the sensitivity of imaging decreases with treatment. Ongoing studies are evaluating the role of imaging for follow-up.
To survey urologic clinicians regarding interpretation of and practice patterns in relation to emerging aspects of prostate cancer grading, including quantification of high-grade disease, cribriform/intraductal carcinoma, and impact of magnetic resonance imaging-targeted needle biopsy.

The Genitourinary Pathology Society distributed a survey to urology and urologic oncology-focused societies and hospital departments. Eight hundred and thirty four responses were collected and analyzed using descriptive statistics.

Eighty percent of survey participants use quantity of Gleason pattern 4 on needle biopsy for clinical decisions, less frequently with higher Grade Groups. Fifty percent interpret "tertiary" grade as a minor/<5% component. Seventy percent of respondents would prefer per core grading as well as a global/overall score per set of biopsies, but 70% would consider highest Gleason score in any single core as the grade for management. Seventy five percent utilize Grade Group terminology in patient dies evolve, these findings may serve as a basis for more nuanced communication and guide research efforts involving pathologists and clinicians.
To confirm frozen section (FS) method for muscularis propria (MP) sampling and to compare the FS method with the ReTUR section (RS) procedure to reduce needing for second resection that can cause waste of time for definitive treatment of muscle-invasive bladder cancer.

A total of 27 patients who admitted to our clinic and was performed transurethral resection of bladder tumor (TUR-BT) due to bladder tumor and had an indication of ReTUR were evaluated prospectively in the study. During the first TUR-BT procedure (as permanent section), FS examination was also performed to the patients. ReTUR was performed 2-6 weeks after the first TUR-BT procedure.

Presences of MP were observed in 51.8% and 77.7% of FS and permanent section examinations. In the comparing of the presence of residual tumor in the methods, although 12 of 27 patients were found to have a residual tumor in FS, it was found to be in only 6 of 12 patients in RS. There was no statistical significance between FS and RS methods for MP sampling and detecting of residual tumor.
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