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Prostate Cancer - DOAJ

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Last Updated: 24 April 2022

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Multiparametric transrectal ultrasound for the diagnosis of peripheral zone prostate cancer and clinically significant prostate cancer: novel scoring systems

Abstract Background: Objectives: To determine the diagnostic results of multiparametric transrectal ultrasound and the design of diagnostic scoring systems based on four modes of TRUS to predict peripheral zone prostate cancer and clinically significant prostate cancer, based on four modes of TRUS. Based on regression analysis of the population, predictors for PCa and csPCa were extracted to create PCa and csPCa models. The diagnostic accuracy was compared between PCa and csPCa scores and PI-RADS V2, using receiver operating characteristics and decision curve analysis. 4. 772 + 4. 674 Margin + 3. 772 SR 5. 680 + 1. 880 2. 184 SR; AUC 8. 202 + 2. 980 SR; csPCa = 3. 886 + 2. 882 SR; AUC, 1. 284 1. 686 SR; 3. 244 + 2. 879 SR; csPCa + 2. 990 SR; AUC 2. 679 4. 682 4. 174 2. 776 2. 674 2. 374 2. 780 5. 672 3. 4 2. 680 1. 672 2. 274 5. 680 1. 979 6. 672 6. 279 1. 1 4. 0 3. 707 3. 376 0. 672 4. 06 1. 1 2. 284 3. 676 4. 874 3. 279 4. 874 3. 286 6. 682 2. 680 2. 872 2. 376 2. 679 3. 276 2. 684 3. 674 3. 680 4. 372 2. 680 2. 376 2. 680 5. 676 2. 474 2. 6.

Source link: https://doi.org/10.1186/s12894-022-01013-8


Interferon-γ increases sensitivity to chemotherapy and provides immunotherapy targets in models of metastatic castration-resistant prostate cancer

In vitro, we show that IFN treatment induced the expression of major histocompatibility class-I genes and PD-L1 in prostate cancer cells. Further, IFN therapy resulted in a decrease in E-cadherin expression, contributing to a decrease in E-cadherin expression, which led to an increase in sensitivity to chemotherapy in vitro. IFN-based pretreatment in a spontaneous metastatic prostate cancer model in vivo mimicry reduces the expression of HLA-A and reduced E-cadherin expression in the primary tumor, but in the metastatic site, increasing apoptosis and limited micrometastases were observed in combination with paclitaxel therapy in combination with paclitaxel therapy alone.

Source link: https://doi.org/10.1038/s41598-022-10724-9


How can we recruit more men of African or African-Caribbean ancestry into our research? Co-creating a video to raise awareness of prostate cancer risk and the PROFILE study

The Plain English summary This project involved working in collaboration with men of African or African-Caribbean ancestry to co-create a video that was intended to raise prostate cancer risk and encourage participation in a genetic screening program called PROFILE. Compared to other males, African or African-Caribbean ancestry men are at a greater risk of developing PrCa. The PROFILE study seeks to determine if genetic information will help identify those who require PrCa screening. Methods: We interviewed seven men of African or African-Caribbean ancestry, three from the PROFILE study participants and four from the Race, Ethnicity, and Cultural Heritage staff forums across the Royal Marsden Hospital and the Institute of Cancer Research. The group selected a PrCa survivor who had been successfully screened and treated early for his cancer, as well as the daughter of one of the panelists.

Source link: https://doi.org/10.1186/s40900-022-00347-9


Disparities in the Utilization of Radiation Therapy for Prostate Cancer in the United States: A Comprehensive Review

The use of RT has risen since major developments in radiation therapy for prostate cancer. We wanted to know that the evolution of RT utilization in prostate cancer among prostate cancer experts and health care organizations of persistent areas of need that should be addressed in their programs and policies. Older men were less likely to receive a definitive RT or prostatectomy. Black men were less likely to receive curative therapy or dose-escalated RT. Many Asian, Black, Hispanic, and Asian men were less likely to receive proton therapy. Reduced income was correlated with reduced prostate-specific antigen testing and diagnosis using proton therapy or stereotactic body RT, according to the lowest. Medicaid patients were less likely to receive definitive treatment, according to Medicaid patients. Prosecutive therapies for prostate cancer were less likely to be available in minority-serving hospitals. Conclusions: Sociodemographic inequities and inequities in RT for prostate cancer remain.

Source link: https://doi.org/10.1016/j.adro.2022.100943


Irradiation of localized prostate cancer in the elderly: A systematic literature review

To review the literature on radiation therapy for intermediate and high-risk prostate cancer in the elderly. Patients and methods: A PubMed literature search was carried out, involving articles from 01/01/2000 to 30/06/21, with the following keywords: PC, radiotherapy/brachytherapy, and elderly. The term "elderly patient" varied from 70 to 80 years. However, similar elderly oncological outcomes were obtained relative to younger patients, both with external beam radiotherapy alone or combined with a brachytherapy boost. Late toxicity risks are low and most often comparable to younger populations. In some patients, the use of ADT should be considered in light of comorbidities, and may even be deleterious. Conclusion: The management of PC in the elderly is a challenge for patients, physicians, and health insurance payers due to the increase in life expectancy. Following an oncogeriatric investigation, healthy elderly men and elderly patients remain candidates for optimal curative care.

Source link: https://doi.org/10.1016/j.ctro.2022.04.006


Data pertaining to aberrant intracellular calcium handling during androgen deprivation therapy in prostate cancer

In comparison to androgen insensitive PC3, a prototype of prostate cancer progression to castration resistance was employed along with untreated androgen tolerant LNCaP cell line alongside two androgen deprived sublines, either 10 days or two years of therapy. In our illustrated PCa model, the calcium channel blocker nifedipine was used to determine CaV1. 3's effect on the observed store sale and calcium entry measured by Fura-2AM ratiometric dye. Following the addition of 2 million Ca2+, both the presence and absence of androgen deprivation of androgen deprivation, nifedipine was found to have no effect on store closure induced by thapsigargin in 0 million Ca2+ nor store operated calcium entry. However, a CACNA1D siRNA knockdown was able to reduce SOCE in PC3 cells. The effect of nifedipine on CaV1. 3 in PCa biology was determined by cell proliferation assay, with no apparent increase in the presence of CCB.

Source link: https://doi.org/10.1016/j.dib.2022.108143


False-positive prostate cancer bone metastases on magnetic resonance imaging correctly classified on gallium-68-prostate-specific membrane antigen positron emission tomography computed tomography

Despite its reported low sensitivity and specificity in comparison to magnetic resonance imaging, which is the imaging gold standard for bone metastasis, Bone scan is the most commonly used method for determining bone metastasis in prostate cancer.

Source link: https://doi.org/10.4103/wjnm.WJNM_89_17


Prostate-specific antigen and risk of bone metastases in west Africans with prostate cancer

In a group of treatment nave West Africans with prostate cancer, we wanted to explore the correlation between bone scintigraphy results and prostate-specific antigen and Gleason's Gleason score. A computerized regression was used to determine the correlation between bone scan findings and PSA and Gleason scores. To determine the diagnostic accuracy of the bone scan findings, receiver operating characteristic analysis was used. Ninety percent of the 96 patients with metastases had elevated risk, with only six having low-to-intermediate risk disease. PSA predicted the presence of metastases with a radius under the curve of 0. 72, and with a cut-off value of 86. 5% and specificity of 42. 2%, according to ROC results. 0. 68 percent of the Gleason score ROC curve was 0. 68 square miles. Independent predictors of bone metastases in West Africans with prostate cancer, such as PSA and Gleason, are reliable predictors of prostate cancer-related bone metastases.

Source link: https://doi.org/10.4103/wjnm.wjnm_38_18


Initial experience of Ga-68 prostate-specific membrane antigen positron emission tomography/computed tomography imaging in evaluation of biochemical recurrence in prostate cancer patients

Gallium-68, a generic tracer used for prostate cancer analysis, is a novel tracer used for prostate cancer imaging. The aim of the study was to investigate the results of Ga-68 PSMA positron emission tomography/computed tomography in patients with biochemical recurrence following definitive therapy. Following RP and PSA rise by 2 ng/mL or more than the nadir PSA after RT, patients with prostate-specific antigen level 0. 2 ng/mL or more were classified as BCR. In a Ga-68 PSMA PET/CT scan, seventy-four patients had abnormal findings. The median PSA of the positive scans was higher than that of negative scans and was statistically significant. Nodal metastases in 52 patients were found in 52 patients, according to PSMA PET/CT, although CT revealed pathological nodes in 27 patients. The Ga-68 PSMA PET/CT has a high success rate for localizing the site of recurrence in patients with biochemical failure, which is superior to CT scan for nodal disease detection.

Source link: https://doi.org/10.4103/wjnm.WJNM_47_18


Neuroendocrine prostate cancer or prostatitis? An unusual false positive on gallium-68 DOTA-Tyr3-octreotate positron emission tomography/computed tomography in a patient with known metastatic neuroendocrine tumor

Gallium-68 DOTA-Tyr3-octreotate tomography in neuroendocrine tumor imaging has increased dramatically over the past decade, and is becoming more popular. We present the case of a male with no known metastatic NET who underwent 68Ga DOTATATE PET/CT for restaging, while simultaneously revealing rapid uptake of the prostate with a maximum uptake value of 17. 4. Chronic prostatitis is a common disease in adult males and is often asymptomatic.

Source link: https://doi.org/10.4103/wjnm.WJNM_11_19

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions