Adenosine deaminase in pleural effusion and its relationship with clinical parameters in patients with malignant pleural mesothelioma.

We examined 329 patients from February 2002 to July 2013. There were 131 MPM cases with ADA levels of 32.29 IU/L; 117 LC cases with ADA levels of 21.12 IU/L; 54 benign disease cases with ADA levels of 20.98 IU/L. A significant difference existed in pleural effusion ADA levels between MPM and benign disease patients. Pleural effusion ADA levels were significantly higher in MPM patients. PMID: 32468861 [PubMed - as supplied by publisher]
Source: Cancer Investigation - Category: Cancer & Oncology Tags: Cancer Invest Source Type: research

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Rare thoracic malignancies, those with an incidence lower than 6 per 100,000 as a threshold of rarity, include epithelial tumors of the trachea, thymus and malignant pleural mesothelioma (MPM). Foremost among these rare tumors is mesothelioma, accounting for 2.1 cases per 100,000 people per year [1]. While we are witnessing years of exciting progress for lung cancer patients, very few advances have been made in MPM since the approval of pemetrexed in 2004 [2]. Not surprisingly, life expectancy of MPM remains suboptimal with a median overall survival (OS) of less than 1  year and 5-year OS of approximately 5% [1].
Source: Lung Cancer - Category: Cancer & Oncology Authors: Source Type: research
Malignant pleural mesothelioma (MPM) is a rare but aggressive cancer. The long latency from asbestos exposure to MPM development, as well as the absence of early symptoms, lead to late diagnosis and very poor prognosis, with a life expectancy of 9-18 months from diagnosis [1]. Only a small number of patients is suitable for multimodal therapy, including surgery, and the majority of patients receive palliative chemotherapy.
Source: Lung Cancer - Category: Cancer & Oncology Authors: Source Type: research
Patients with pleural mesothelioma cancer may have another treatment option after the U.S. Food and Drug Administration approved the use of pembrolizumab for certain metastatic tumors this week. Pembrolizumab, often known by the brand name Keytruda, is a well-known immunotherapy drug already being used with mixed success for several cancers. This latest FDA approval is for the treatment of adult and pediatric cancers with unresectable disease and high mutational burden that have progressed following prior treatment and have no alternative treatment options. A number of mesothelioma patients already are being treated with p...
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news
A multicenter research team of specialists has uncovered a surprising underutilization of treatments for pleural mesothelioma cancer in women. Clinical Lung Cancer recently published the findings, which showed a significant sex-based disparity in the receipt of care for women when compared with that of men. Women were 15% less likely to receive aggressive mesothelioma surgery that has proven its worth in extending lives for this cancer, which has no definitive cure. They also were 20% less likely to receive chemotherapy than were men. “This is concerning, absolutely,” Dr. Charles Simone, chief medical officer a...
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news
Exposure to asbestos causes non-malignant and malignant diseases including asbestosis, lung cancer, and mesothelioma. The modern history of such diseases goes back more than a century.
Source: Journal of Occupational Medicine and Toxicology - Category: Occupational Health Authors: Tags: Review Source Type: research
Consumer concerns and the threat of potentially costly lawsuits are driving cosmetic companies away from the long-standing manufacture of talc-based products. Reuters News Service is reporting that Revlon, Chanel and L’Oreal — three of the biggest names in U.S. cosmetics — have been turning quietly to talc alternatives in the last few years. Talc is the softest mineral on Earth and is used ubiquitously in thousands of personal care and cosmetic products to absorb moisture, provide lubrication and improve feel. Unfortunately, talc also is mined near the Earth’s surface in proximity to asbestos, which...
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news
The COVID-19 pandemic closed educational institutions everywhere, but it also opened a door to the acceleration of vitally important asbestos abatement in schools where children would have been in attendance. Business has been booming. “It does look like a lot of schools took advantage of it [the closing of facilities],” Brent Kynoch, managing director of the Environmental Information Association, told The Mesothelioma Center at Asbestos.com. “They may have had work contracted for later in the summer, but just said, ‘Let’s get started with it now, and get it done.’ They understood the im...
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news
This study aims to evaluate micronuclei (MN) frequency as a biomarker of genome instability in peripheral blood lymphocytes of PM and lung cancer (LC) patients when compared with healthy controls (HCs) and patients with nonneoplastic respiratory diseases (RDs). Lymphocyte cytokinesis-block MN assay was carried out on 317 subjects. Mutagen sensitivity, measured by quantifying MN frequency after an in vitro challenge with ionizing radiation, was evaluated in 252 subjects. A significant increase in MN frequency was observed in cancer patients compared to HCs, with a mean ratio (MR) of 1.35 and 1.36 at baseline and 1.43 and 1....
Source: Journal of Environmental Pathology, Toxicology and Oncology - Category: Environmental Health Tags: J Environ Pathol Toxicol Oncol Source Type: research
Doctors, scientists and occupational health experts from across the country are openly criticizing the U.S. Environmental Protection Agency’s recent asbestos draft risk evaluation. At a virtual press conference arranged by the Asbestos Disease Awareness Organization last week, speakers labeled the asbestos evaluation inadequate and in need of serious revision. The year-long evaluation was required as part of the Frank R. Lautenberg Chemical Safety for the 21st Century Act, which was passed in 2016. It amended the original Toxic Substances Control Act, the country’s primary chemicals management law. “I am...
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news
Malignant pleural mesothelioma (MPM) is a highly aggressive cancer of the visceral or parietal pleura, with greater than 90% of cases occurring in the setting of asbestos exposure. It is a relatively rare cancer, with an incidence of approximately 10 per 1 million person-years in the United States. It has a long latency period, up to 20 years after asbestos exposure, and the median age of diagnosis is 75 years old. [1,2]
Source: Lung Cancer - Category: Cancer & Oncology Authors: Source Type: research
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