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peritoneal mesothelioma

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https://www.readbyqxmd.com/read/29206890/validation-of-the-diagnosis-of-mesothelioma-and-bap1-protein-expression-in-a-cohort-of-asbestos-textile-workers-from-northern-italy
#1
P Boffetta, L Righi, C Ciocan, C Pelucchi, C La Vecchia, C Romano, M Papotti, E Pira
Background: Diagnosis of mesothelioma based on death certificate is subject to misclassification, which may bias the results of epidemiology studies. A high proportion of mesothelioma harbor mutations in the BRCA1-associated protein 1 (BAP1) gene. Methods: We searched medical and pathology records and specimens for 127 workers from a textile- asbestos factory in Italy who died during 1963-2013 with a diagnosis of pleural or peritoneal neoplasm or mesothelioma on death certificate, to confirm the diagnosis with immunohistochemistry (IHC) markers...
November 30, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29197848/challenging-and-uncommon-diagnosis-of-long-evolution-ascites
#2
Marta Gravito-Soares, Elisa Gravito-Soares, João Almeida, João Fraga, Luis Tomé
This is a case report of a 45-year-old Caucasian man with chronic alcoholism. No history of liver disease or asbestos exposure. He complained of ascites during the last 3 years with worsening in the last year with severe ascites development. Diagnostic paracentesis showed SAAG 1.1 and high cellularity with neutrophil count >250 cells/µL. Ascitic fluid cytology revealed reactive mesothelial hyperplasia. Thoracoabdominopelvic ultrasonography/CT/MRI and fludeoxyglucose positron emission tomography/CT showed 'omental cake' pattern suggesting peritoneal carcinomatosis...
December 2, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29184697/clinical-presentation-diagnosis-classification-and-management-of-peritoneal-mesothelioma-a-review
#3
REVIEW
Alfonso García-Fadrique, Akash Mehta, Faheez Mohamed, Sanjeev Dayal, Tom Cecil, Brendan J Moran
Peritoneal mesothelioma (PM) is an uncommon but a serious, and often, fatal primary peritoneal tumour, with increasing incidence worldwide. Conventional systemic chemotherapy, generally based on experience with pleural mesothelioma, usually has disappointing results considering PM as a terminal condition. Patients usually present with non-specific symptoms of abdominal distension and pain making the diagnosis challenging. As PM is confined to the abdomen for all, or much, of its clinical course, a multimodality treatment combining cytoreductive surgery (CRS) with hyperthermic intraperitoneal chemotherapy (HIPEC) has emerged as a new standard of care, and has been reported to achieve promising survival outcomes and local disease control in selected patients with PM...
October 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/29148537/adenomatoid-tumors-of-the-male-and-female-genital-tract-are-defined-by-traf7-mutations-that-drive-aberrant-nf-kb-pathway-activation
#4
Benjamin Goode, Nancy M Joseph, Meredith Stevers, Jessica Van Ziffle, Courtney Onodera, Eric Talevich, James P Grenert, Iwei Yeh, Boris C Bastian, Joanna J Phillips, Karuna Garg, Joseph T Rabban, Charles Zaloudek, David A Solomon
Adenomatoid tumors are the most common neoplasm of the epididymis, and histologically similar adenomatoid tumors also commonly arise in the uterus and fallopian tube. To investigate the molecular pathogenesis of these tumors, we performed genomic profiling on a cohort of 31 adenomatoid tumors of the male and female genital tracts. We identified that all tumors harbored somatic missense mutations in the TRAF7 gene, which encodes an E3 ubiquitin ligase belonging to the family of tumor necrosis factor receptor-associated factors (TRAFs)...
November 17, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29147606/temporal-and-spatial-heterogeneity-of-programmed-cell-death-1-ligand-1-expression-in-malignant-mesothelioma
#5
Simone B S P Terra, Aaron S Mansfield, Haidong Dong, Tobias Peikert, Anja C Roden
Background: Programmed Cell Death 1-Ligand 1 (PD-L1) and Programmed Death Protein 1 (PD-1) blocking antibodies are promising immunotherapies for malignancies. We have previously shown PD-L1 expression in 40% of malignant mesothelioma (MM); however, the temporal and spatial heterogeneity of its expression has not been thoroughly studied. We compared PD-L1 expression between paired primary and metastatic MM. Design: Pathology files (1995-2016) were searched for MM with tissue from multiple sites and/or time points...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29142184/efficacy-of-cell-free-and-concentrated-ascites-reinfusion-therapy-for-palliative-care-in-a-patient-with-malignant-pleural-mesothelioma-a-case-report
#6
Kakeru Hisakane, Hironobu Ohmatsu, Shigeki Umemura, Keisuke Kirita, Shingo Matsumoto, Kiyotaka Yoh, Seiji Niho, Koichi Goto
Cell-free and concentrated ascites reinfusion therapy (CART) is recognized as a useful treatment to improve the symptoms caused by refractory ascites. Recently, a few clinical studies have reported the effects of CART for malignant ascites, especially in gynecological and gastrointestinal cancers. We report the case of malignant ascites in a patient with malignant pleural mesothelioma (MPM) whose symptoms were relieved by CART. A 59-year-old Japanese male with MPM who had undergone pleural decortication had pleural and peritoneal recurrence...
2017: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/29080447/epidemiology-of-malignant-peritoneal-mesothelioma-a-population-based-study
#7
Silja A S Salo, Ilkka Ilonen, Sanna Laaksonen, Marjukka Myllärniemi, Jarmo A Salo, Tuomo Rantanen
BACKGROUND: Malignant peritoneal mesothelioma (MPeM) is a rare cancer of the mesothelial cells in the peritoneum with poor prognosis. Earlier reports from other countries indicate an incidence of 0.2-3 new cases per million per year. No previous studies have examined the national epidemiology of MPeM in Nordic countries. This study aimed to clarify the epidemiology of MPeM in Finland over a 12-year period. METHODS: The data consisted of cancer notifications, laboratory notifications, and death certificate information in the Finnish Cancer Registry (FCR) and Statistics Finland (SF) of all MPeM patients from 2000 to 2012 in Finland...
October 25, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/29073511/differences-between-peritoneal-and-pleural-mesothelioma-in-lombardy-italy
#8
Carolina Mensi, Marco Mendola, Barbara Dallari, Maryam Sokooti, Ramin Tabibi, Luciano Riboldi, Dario Consonni
BACKGROUND: We examined characteristics of peritoneal (PEM) and pleural (PLM) mesothelioma in Lombardy, Italy. METHODS: From the Lombardy Mesothelioma Registry we selected PEM (N=300) and PLM (N=5011) cases diagnosed in 2000-2014. We investigated asbestos exposure and presence of asbestosis or pleural plaques. RESULTS: Incidence rates (per 1,000,000 person-years, world standardized) of PEM were 1.2 (men) and 0.9 (women), compared with 22.6 and 8...
October 23, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/29058958/annals-express-biomarkers-in-mesothelioma
#9
David T Arnold, Nick Maskell
Mesothelioma is an aggressive cancer of pleural and peritoneal cells that is difficult to diagnose and monitor. Numerous studies have attempted to identify a blood- or pleural fluid-based biomarker that could be used in the diagnostic pathway. More recently there has been interest in the ability of serum/plasma biomarkers to monitor mesothelioma, given development of newer treatments, and limitations of radiological assessment. The majority of research has focused on soluble mesothelin (SM), a soluble glycoprotein expressed by mesothelial cells...
January 1, 2017: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/29048219/immunohistochemistry-in-peritoneal-mesothelioma-a-single-center-experience-of-244-cases
#10
Radhika Tandon, Yuis Jimenez-Cortez, Robert Taub, Alain C Borczuk
CONTEXT: - Diagnosis of malignant mesothelioma is more common in the chest than it is in the abdomen. Most published immunohistochemistry data are more applicable to pleural than to peritoneal mesothelioma. OBJECTIVE: - To clarify the practical utility of 17 immunohistochemistry markers in the differential diagnosis of peritoneal mesothelioma with an emphasis on stains for which there is either contradictory information or a paucity of literature. DESIGN: - Consultation files of peritoneal mesothelioma diagnoses rendered from 1999 to 2014 were reviewed; 242 cases are identified...
October 19, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29046510/carcinogenicity-of-multi-walled-carbon-nanotubes-challenging-issue-on-hazard-assessment
#11
Shoji Fukushima, Tatsuya Kasai, Yumi Umeda, Makoto Ohnishi, Toshiaki Sasaki, Michiharu Matsumoto
OBJECTIVES: This report reviews the carcinogenicity of multi-walled carbon nanotubes (MWCNTs) in experimental animals, concentrating on MWNT-7, a straight fibrous MWCNT. METHODS: MWCNTs were administered to mice and rats by intraperitoneal injection, intrascrotal injection, subcutaneous injection, intratracheal instillation and inhalation. RESULTS: Intraperitoneal injection of MWNT-7 induced peritoneal mesothelioma in mice and rats. Intrascrotal injection induced peritoneal mesothelioma in rats...
October 18, 2017: Journal of Occupational Health
https://www.readbyqxmd.com/read/29027138/recurrence-of-optimally-treated-malignant-peritoneal-mesothelioma-with-cytoreduction-and-heated-intraperitoneal-chemotherapy
#12
Danielle R Heller, Cody Chiuzan, Robert N Taub, Joshua C Leinwand, Allison M Greene, Gleneara E Bates, John A Chabot, Michael D Kluger
BACKGROUND: The prognosis for patients with diffuse malignant peritoneal mesothelioma has dramatically improved with cytoreductive surgery and intraperitoneal chemotherapy. Little is known about disease recurrence after treatment. We analyzed the time to and predictors of recurrence in a large cohort of optimally treated patients. METHODS: We examined 113 patients completing a two-stage cytoreduction and intraperitoneal chemotherapy protocol. All patients achieved optimal surgical resection with completeness of cytoreduction (CC) score ≤ 1 and were divided into two groups based on absence (Group A) or presence (Group B) of gross disease at the outset of the second operation...
October 12, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29019584/a-proposal-of-brazilian-society-of-surgical-oncology-for-standardizing-cytoreductive-surgery-plus-hypertermic-intraperitoneal-chemotherapy-procedures-in-brazil-pseudomixoma-peritonei-appendiceal-tumors-and-malignant-peritoneal-mesothelioma
#13
Thales Paulo Batista, Bruno José Queiroz Sarmento, Janina Ferreira Loureiro, Andrea Petruzziello, Ademar Lopes, Cassio Cortez Santos, Cláudio de Almeida Quadros, Eduardo Hiroshi Akaishi, Eduardo Zanella Cordeiro, Felipe José Fernández Coimbra, Gustavo Andreazza Laporte, Leonaldson Santos Castro, Ranyell Matheus Spencer Sobreira Batista, Samuel Aguiar, Wilson Luiz Costa, Fábio Oliveira Ferreira
Cytoreductive surgery plus hypertermic intraperitoneal chemotherapy has emerged as a major comprehensive treatment of peritoneal malignancies and is currently the standard of care for appendiceal epithelial neoplasms and pseudomyxoma peritonei syndrome as well as malignant peritoneal mesothelioma. Unfortunately, there are some worldwide variations of the cytoreductive surgery and hypertermic intraperitoneal chemotherapy techniques since no single technique has so far demonstrated its superiority over the others...
September 2017: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/28994508/loss-of-brca1-associated-protein-1-bap1-expression-is-useful-in-diagnostic-cytopathology-of-malignant-mesothelioma-in-effusions
#14
Ilaria Cozzi, Florina Anca Oprescu, Emma Rullo, Valeria Ascoli
BACKGROUND: The important diagnostic challenge facing the cytopathologist is whether a mesothelial proliferation on effusions represents a malignant mesothelioma (MM) or a benign mesothelial hyperplasia (MH). Here, we evaluated the diagnostic utility of BAP1 immunohistochemistry (IHC) in distinguishing between reactive and neoplastic mesothelial cells. METHODS: In pleural and peritoneal effusions from 147 patients with diagnosed MM or with a differential diagnosis of MM and MH, the expression of BAP1 was examined by IHC on paraffin-embedded cell blocks (n = 121) and biopsies (n = 44)...
October 10, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28972947/the-peritoneum-health-disease-and-perspectives-regarding-tissue-engineering-and-cell-therapies
#15
Ronaldo J F C do Amaral, Kátia D Arcanjo, Márcia C El-Cheikh, Felipe L de Oliveira
There are several pathologies associated with the peritoneum, such as mesothelioma and peritonitis. Moreover, the peritoneum is widely used in ultrafiltration procedures, i.e., peritoneal dialysis, presenting advantages over hemodialysis. On the other hand, ultrafiltration failure may lead to dialysis-induced fibrosis and hypervolemia. Therefore, the pathophysiological study of this tissue is of extreme biomedical importance. Studies investigating the biology of the cells dwelling in the peritoneum wall provide evidence of their plasticity and progenitor features...
October 4, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28964609/multicentric-initial-experience-with-the-use-of-the-pressurized-intraperitoneal-aerosol-chemotherapy-pipac-in-the-management-of-unresectable-peritoneal-carcinomatosis
#16
Mohammad Alyami, Johan Gagniere, Olivia Sgarbura, Delphine Cabelguenne, Laurent Villeneuve, Denis Pezet, Francois Quenet, Olivier Glehen, Naoual Bakrin, Guillaume Passot
BACKGROUND: PIPAC is a recent approach for intraperitoneal chemotherapy with promising results for patients with peritoneal carcinomatosis (PC). We aimed to evaluate the postoperative outcome of PIPAC in patients with non-resectable PC during our initial experience of the technique. METHODS: All patients who underwent PIPAC for non-resectable PC in three centers were analyzed regarding postoperative outcomes. RESULTS: Seventy-three patients underwent 164 PIPAC...
September 21, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28940402/diffuse-peritoneal-mesothelioma-a-case-series-of-62-patients-including-paraoccupational-exposures-to-chrysotile-asbestos
#17
Richard L Kradin, George Eng, David C Christiani
BACKGROUND: Diffuse peritoneal malignant mesothelioma (DPM) is caused by exposure to asbestos. The medical literature has linked DPM primarily to high levels of asbestos exposure, in particular amosite. Controversy persists as to whether chrysotile is capable of causing DPM, especially when exposures are paraoccupational. METHODS: Sixty-two subjects (51 men, 11 women) with DPM were reviewed in medical-legal consultation with deposition and product identification evidence...
November 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28915695/evaluation-of-intracavitary-administration-of-curcumin-for-the-treatment-of-sarcomatoid-mesothelioma
#18
Daniel L Pouliquen, Béatrice Nawrocki-Raby, Joëlle Nader, Stéphanie Blandin, Myriam Robard, Philippe Birembaut, Marc Grégoire
A rat model of sarcomatoid mesothelioma, mimicking some of the worst clinical conditions encountered, was established to evaluate the therapeutic potential of intracavitary curcumin administration. The M5-T1 cell line, selected from a collection established from F344 rats induced with asbestos, produces tumors within three weeks, with extended metastasis in normal tissues, after intraperitoneal inoculation in syngeneic rats. The optimal concentration/time conditions for killing M5-T1 cells with curcumin were first determined in vitro...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28910456/identification-of-alk-rearrangements-in-malignant-peritoneal-mesothelioma
#19
Yin P Hung, Fei Dong, Jaclyn C Watkins, Valentina Nardi, Raphael Bueno, Paola Dal Cin, John J Godleski, Christopher P Crum, Lucian R Chirieac
Importance: Malignant peritoneal mesothelioma is a rare, aggressive tumor arising from the peritoneal lining, induced by asbestos, therapeutic radiation, or germline mutations. Nevertheless, the molecular features remain largely unknown. Objective: To investigate anaplastic lymphoma kinase (ALK) rearrangements in a large series of peritoneal mesothelioma and characterize the mutational landscape of these tumors. Design, Setting, and Participants: We studied 88 consecutive patients (39 men, 49 women; median age 61, range 17-84 years) with peritoneal mesotheliomas diagnosed at a single institution between 2005 and 2015...
September 14, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28877056/pax8-expression-in-a-subset-of-malignant-peritoneal-mesotheliomas-and-benign-mesothelium-has-diagnostic-implications-in-the-differential-diagnosis-of-ovarian-serous-carcinoma
#20
David B Chapel, Aliya N Husain, Thomas Krausz, Stephanie M McGregor
Distinguishing malignant peritoneal mesothelioma (MPM) from serous carcinoma involving the peritoneum remains a diagnostic challenge, particularly in small biopsy and cytology specimens. In this distinction, PAX8 expression has been regarded as a specific marker of serous carcinoma. In addition, BAP1 loss is reportedly specific to MPM, in the distinction from both benign mesothelial lesions and ovarian serous tumors (OSTs). Using immunohistochemistry, we examined PAX8 and BAP1 expression in 27 MPMs, 25 cases of benign mesothelium, and 45 OSTs...
December 2017: American Journal of Surgical Pathology
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