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peritoneal mesothelioma

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https://www.readbyqxmd.com/read/28324285/preoperative-thrombocytosis-predicts-shortened-survival-in-patients-with-malignant-peritoneal-mesothelioma-undergoing-operative-cytoreduction-and-hyperthermic-intraperitoneal-chemotherapy
#1
Yue C Li, Tamara Khashab, Julia Terhune, Richard L Eckert, Nader Hanna, Allen Burke, H Richard Alexander
BACKGROUND: This study was designed to determine the clinical significance of preoperative thrombocytosis in patients with malignant peritoneal mesothelioma (MPM) undergoing operative cytoreduction (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). CRS and HIPEC have been associated with prolonged survival in patients with MPM and is the preferred treatment in select patients. However, patient selection criteria remain ill-defined for this operation that is also associated with significant morbidity and mortality...
March 21, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28300330/synthesis-and-super-potent-anticancer-activity-of-tubulysins-carrying-non-hydrolysable-n-substituents-on-tubuvaline
#2
Monica Sani, Paolo Lazzari, Marco Folini, Marco Spiga, Valentina Zuco, Michelandrea De Cesare, Ilaria Manca, Sergio Dall'Angelo, Massimo Frigerio, Igor Usai, Andrea Testa, Nadia Zaffaroni, Matteo Zanda
Synthetic tubulysins 24a-m, having non-hydrolysable N-substituents on tubuvaline (Tuv), were obtained in high purity and good overall yields using a multi-step synthesis. Key step was the formation of differently N-substituted Ile-Tuv fragments 10 via aza-Michael reaction of azido-Ile derivatives 8 with the -unsaturated oxo-thiazole 5. A SAR study using a panel of human tumor cell lines showed strong anti-proliferative activity for all compounds 24a-m, with IC50 values in the sub-nanomolar range, which were distinctly lower than those of Tubulysin A, vinorelbine, and paclitaxel...
March 16, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28264807/unusual-presentation-of-a-late-onset-recurrence-of-malignant-peritoneal-mesothelioma
#3
Marije Wijnberge, Lidewine Daniels, Vincent Cliteur, Jasper Winkelhagen
A man aged 79 years with a history of malignant peritoneal mesothelioma presented 8 years after primary presentation with a suspected right-sided painful inguinal hernia and hydrocele, both present for 5 months. During surgery, however, the inguinal swelling appeared to be a tumour. Laboratory examination was non-alarming and ultrasonography not specific for mesothelioma. Pathological examination showed it to be a recurrence of the malignant mesothelioma, which was treated palliative with radiotherapy. This clinical picture is rare and a recurrence-free survival of 8 years is remarkable...
March 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28244976/the-role-of-18f-fdg-pet-cect-in-peritoneal-mesothelioma
#4
Julien Dubreuil, Francesco Giammarile, Pascal Rousset, Domenico Rubello, Naoual Bakrin, Guillaume Passot, Sylvie Isaac, Olivier Glehen, Andrea Skanjeti
PURPOSE: The aim of this study was to assess glucose metabolism of multicystic peritoneal mesothelioma and epithelioid peritoneal mesothelioma by fluorine-18 fluorodeoxyglucose (F-FDG)-PET/contrast-enhanced computed tomography (ceCT) and to assess its prognostic impact. MATERIALS AND METHODS: Twenty-three (14 women) patients, without previous treatment, underwent F-FDG-PET/ceCT before peritoneal mesothelioma cytoreductive surgery and intraperitoneal chemotherapy...
April 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28242997/pleuroperitoneal-mesothelioma-a-rare-entity-on-18f-fdg-pet-ct
#5
Manas Kumar Sahoo, Anirban Mukherjee, Girish, Kumar Parida, Krishan Kant Agarwal, Chandrasekhar Bal, Madhavi Tripathi, Chandan Jyoti Das, Shamim Ahmed Shamim
Pleuroperitoneal mesothelioma is an extremely rare entity. Only few cases are reported worldwide. We hereby represent a case of pleural mesothelioma referred for F-18-Fluorodeoxyglucose positron emission tomography/computed tomography for response evaluation. Diffuse F-18-Fluorodeoxyglucose avid peritoneal and omental thickening noted which subsequently turned out to be mesothelial involvement on peritoneal biopsy. This case demonstrates the role of F-18-Fluorodeoxyglucose positron emission tomography/computed tomography in detecting other sites of involvement in case of malignant mesothelioma...
January 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28241368/-benign-multicystic-peritoneal-mesothelioma-bmpm-a%C3%A2-surprising-differential-diagnosis-in-case-of-an-expected-intraabdominal-abscess-formation
#6
Michael Josef Lipp, Maximilian Stanley Jusufi, Christoph Backer, Bernd Feyerabend, Hauke Weilert, Karl Jürgen Oldhafer
The benign multicystic peritoneal mesothelioma is a rare disease. Most frequently, young women in reproductive age are affected by this disease. Nevertheless, there are known cases of multicystic peritoneal mesothelioma in male patients. The pathogenesis remains uncertain. Whereas asbestos fibers can cause the development of malignant mesothelioma, the exposure to asbestos particles cannot induce this type of mesothelioma. An inflammatory genesis is discussed as well as the idea of a neoplastic development...
March 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28239496/life-expectancy-in-pleural-and-peritoneal-mesothelioma
#7
Robert Shavelle, Kate Vavra-Musser, Jessica Lee, Jordan Brooks
Background. Mesothelioma is a rare cancer with a historically dire prognosis. We sought to calculate life expectancies for patients with pleural or peritoneal mesothelioma, both at time of diagnosis and several years later, and to examine whether survival has improved in recent years. Methods. Data on 10,258 pleural and 1,229 peritoneal patients from the SEER US national cancer database, 1973-2011, were analyzed using the Cox proportional hazards regression model. Results. The major factors related to survival were age, sex, stage, grade, histology, and treatment...
2017: Lung Cancer International
https://www.readbyqxmd.com/read/28215643/malignant-peritoneal-mesothelioma-clear-cell-variant-in-a-female-and-its-differentiation-from-clear-cell-carcinoma
#8
Hiroko Hayashi, Takuya Kawata, Isao Shimokawa
Epithelial type malignant mesothelioma with a clear cell morphology is rare, and no case arising in the peritoneum of a female patient has been reported. Here we report a case of clear cell mesothelioma that developed in the peritoneum of a 61-year-old female. The patient died from massive ascites and respiratory failure 11days after her hospital admission. The autopsy demonstrated marked thickening of the omentum and a yellowish-whitish tumor diffusely covering the abdominal organs. The predominantly solid tumor was characterized microscopically by the growth of atypical cells with an abundant clear cytoplasm...
January 3, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28191281/switching-off-malignant-mesothelioma-exploiting-the-hypoxic-microenvironment
#9
REVIEW
Noushin Nabavi, Kevin L Bennewith, Andrew Churg, Yuzhuo Wang, Colin C Collins, Luciano Mutti
Malignant mesotheliomas are aggressive, asbestos-related cancers with poor patient prognosis, typically arising in the mesothelial surfaces of tissues in pleural and peritoneal cavity. The relative unspecific symptoms of mesotheliomas, misdiagnoses, and lack of precise targeted therapies call for a more critical assessment of this disease. In the present review, we categorize commonly identified genomic aberrations of mesotheliomas into their canonical pathways and discuss targeting these pathways in the context of tumor hypoxia, a hallmark of cancer known to render solid tumors more resistant to radiation and most chemo-therapy...
November 2016: Genes & Cancer
https://www.readbyqxmd.com/read/28185434/nanoparticle-drug-delivery-systems-for-peritoneal-cancers-a-case-study-of-the-design-characterization-and-development-of-the-expansile-nanoparticle
#10
REVIEW
Aaron H Colby, Nicholas H Oberlies, Cedric J Pearce, Victoria L M Herrera, Yolonda L Colson, Mark W Grinstaff
Nanoparticle (NP)-based drug-delivery systems are frequently employed to improve the intravenous administration of chemotherapy; however, few reports explore their application as an intraperitoneal therapy. We developed a pH-responsive expansile nanoparticle (eNP) specifically designed to leverage the intraperitoneal route of administration to treat intraperitoneal malignancies, such as mesothelioma, ovarian, and pancreatic carcinomatoses. This review describes the design, evaluation, and evolution of the eNP technology and, specifically, a Materials-Based Targeting paradigm that is unique among the many active- and passive-targeting strategies currently employed by NP-delivery systems...
February 9, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28180018/case-report-of-four-different-primary-mesenteric-neoplasms-and-review-of-literature
#11
Yusuf Yagmur, Sami Akbulut, Serdar Gumus, Mehmet Babur, Mehmet Ali Can
INTRODUCTION: It is rare for primary tumors to arise from the mesentery. Lymphangiomas appear as congenital malformations of the lymphatic system or benign neoplasms as a large, thin-walled, often multilocular cyst. Mesenteric infiltration is common and during surgical treatment, adjustment of structures such as the bowel and resection of the spleen may be required. Cystic mesotheliomas are rare, benign tumors that originate from the peritoneal mesothelium and are more common in women...
October 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28130567/malignant-pericardial-mesothelioma-a%C3%A2-systematic-review-of-current-practice
#12
S Cao, S Jin, J Cao, J Shen, H Zhang, Q Meng, B Pan, Y Yu
BACKGROUND: Malignant mesothelioma is a rare but aggressive tumor, with a high misdiagnosis rate and overall bleak prognosis. In 0.7% of all cases, the origin is the pericardium. METHODS: The present study is a review of the literature published in recent decades focusing on the advances in clinical manifestations, radiological findings, diagnosis, differential diagnosis, and treatment of malignant pericardial mesothelioma (MPM). RESULTS: No clear relationship has been established between the etiologies and the development of MPM...
January 27, 2017: Herz
https://www.readbyqxmd.com/read/28123552/the-diagnostic-utility-of-pax8-immunostaining-of-malignant-peritoneal-mesothelioma-presenting-as-serous-ovarian-carcinoma-a-single-center-report-of-two-cases
#13
Kohei Nakamura, Kentaro Nakayama, Risa Nagaoka, Kiyoka Nishisako, Masako Ishikawa, Hiroshi Katagiri, Tomoka Ishibashi, Emi Sato, Chika Amano, Satoru Kyo
Malignant peritoneal mesotheliomas (MPMs) are rare and progressive tumors, which may present similarly to primary peritoneal carcinoma or ovarian carcinoma (OC). The current study reports two cases of MPM that initially presented with the features of OC, for which paired box 8 (PAX8) immunostaining was found to be useful for diagnosis. The two patients were women, aged 58 and 56 years, respectively. The primary presenting symptoms and clinical findings included prolonged abdominal pain, abdominal swelling and cough...
January 2017: Oncology Letters
https://www.readbyqxmd.com/read/28112042/peritoneal-deciduoid-mesothelioma
#14
Nicole Dominiak, Whitney Graybill, William Gunning, Mary S Richardson, Laura S Spruill
This report highlights a diagnostically challenging case of diffuse deciduoid mesothelioma occurring in the peritoneum of a 25-year-old woman, 8 months postpartum. Optimally debulked tumor consisted of sheets of polygonal cells arranged in solid, trabecular, and pseudopapillary configurations, with vesicular, occasionally grooved nuclei and small nucleoli. A barrage of immunohistochemical stains revealed an unusual staining pattern characterized by diffusely positive keratin, WT-1, and mesothelin staining, but lack of calretinin positivity...
January 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28100259/antitumor-activity-of-mir-34a-in-peritoneal-mesothelioma-relies-on-c-met-and-axl-inhibition-persistent-activation-of-erk-and-akt-signaling-as-a-possible-cytoprotective-mechanism
#15
Rihan El Bezawy, Michelandrea De Cesare, Marzia Pennati, Marcello Deraco, Paolo Gandellini, Valentina Zuco, Nadia Zaffaroni
BACKGROUND: The value of microRNAs (miRNAs) as novel targets for cancer therapy is now widely recognized. However, no information is currently available on the expression/functional role of miRNAs in diffuse malignant peritoneal mesothelioma (DMPM), a rapidly lethal disease, poorly responsive to conventional treatments, for which the development of new therapeutic strategies is urgently needed. Here, we evaluated the expression and biological effects of miR-34a-one of the most widely deregulated miRNAs in cancer and for which a lipid-formulated mimic is already clinically available-in a large cohort of DMPM clinical samples and a unique collection of in house-developed preclinical models, with the aim to assess the potential of a miR-34a-based approach for disease treatment...
January 18, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28099801/highly-specific-and-sensitive-fluorescent-nanoprobes-for-image-guided-resection-of-sub-millimeter-peritoneal-tumors
#16
Aaron H Colby, Samantha M Berry, Ann M Moran, Kristine Amber Pasion, Rong Liu, Yolonda L Colson, Nelson Ruiz-Opazo, Mark W Grinstaff, Victoria L M Herrera
A current challenge in the treatment of peritoneal carcinomatosis is the inability to detect, visualize, and resect small or microscopic tumors of pancreatic, ovarian, or mesothelial origin. In these diseases, the completeness of primary tumor resection is directly correlated with patient survival, and hence, identifying small sub-millimeter tumors (i.e., disseminated disease) is critical. Thus, new imaging techniques and probes are needed to improve cytoreductive surgery and patient outcomes. Highly fluorescent rhodamine-labeled expansile nanoparticles (HFR-eNPs) are described for use as a visual aid during cytoreductive surgery of pancreatic carcinomatosis...
February 28, 2017: ACS Nano
https://www.readbyqxmd.com/read/28099523/the-role-of-liquid-based-cytology-and-ancillary-techniques-in-the-peritoneal-washing-analysis-our-institutional-experience
#17
Esther Rossi, Tommaso Bizzarro, Maurizio Martini, Adhemar Longatto-Filho, Fernando Schmitt, Anna Fagotti, Giovanni Scambia, Gian Franco Zannoni
BACKGROUND: The cytological analysis of peritoneal effusions serves as a diagnostic and prognostic aid for either primary or metastatic diseases. Among the different cytological preparations, liquid based cytology (LBC) represents a feasible and reliable method ensuring also the application of ancillary techniques (i.e immunocytochemistry-ICC and molecular testing). METHODS: We recorded 10348 LBC peritoneal effusions between January 2000 and December 2014. They were classified as non-diagnostic (ND), negative for malignancy-NM, atypical-suspicious for malignancy-SM and positive for malignancy-PM...
2017: PloS One
https://www.readbyqxmd.com/read/28034829/bap1-is-altered-by-copy-number-loss-mutation-and-or-loss-of-protein-expression-in-more-than-70-of%C3%A2-malignant-peritoneal-mesotheliomas
#18
Noémie Leblay, Frédéric Leprêtre, Nolwenn Le Stang, Amandine Gautier-Stein, Laurent Villeneuve, Sylvie Isaac, Denis Maillet, Françoise Galateau-Sallé, Céline Villenet, Shéhérazade Sebda, Alexandra Goracci, Graham Byrnes, James D McKay, Martin Figeac, Olivier Glehen, François-Noël Gilly, Matthieu Foll, Lynnette Fernandez-Cuesta, Marie Brevet
INTRODUCTION: Malignant mesothelioma is a deadly disease that is strongly associated with asbestos exposure. Peritoneal mesotheliomas account for 10% of all the cases. BRCA1 associated protein 1 (BAP1) is a deubiquitinating hydrolase that plays a key role in various cellular processes. Germline and somatic inactivation of BRCA1 associated protein 1 gene (BAP1) is frequent in pleural mesothelioma; however, little is known about its status in peritoneal mesothelioma. METHODS: Taking advantage of the extensive French National Network for the Diagnosis of Malignant Pleural Mesothelioma and Rare Peritoneal Tumors and the French National Network for the Treatment of Rare Peritoneal Surface Malignancies, we collected biological material and clinical and epidemiological data for 46 patients with peritoneal mesothelioma...
December 27, 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28024110/the-importance-of-ezh2-and-moc-31-expression-in-the-differential-diagnosis-of-benign-and-malignant-effusions
#19
Canan Sadullahoglu, Deniz Nart, Ali Veral
BACKGROUND: All malignant tumors may spread throughout the pleural, peritoneal, and pericardial cavities. The presence of tumor cells in serosal fluid is a poor prognostic indicator. It may be difficult to differentiate nuclear atypia of mesothelial cells due to injury of serosal surfaces from mesothelioma or malignant epithelial tumor cells. Epithelial and mesothelial immunohistochemical markers can be used in such conditions. The aim of this study was to evaluate the expression of two immunohistochemical markers (MOC-31 and EZH2) in serosal effusions...
February 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28007630/improving-the-accuracy-of-mesothelioma-diagnosis-in-china
#20
Zhenying Guo, Michele Carbone, Xing Zhang, Dan Su, Wenyong Sun, Jianlin Lou, Zhibin Gao, Dichu Shao, Junqiang Chen, Gu Zhang, Jinlin Hu, Kaiyan Chen, Fang Wang, Harvey I Pass, Herbert Yu, Andrea Napolitano, Haining Yang, Weiming Mao
INTRODUCTION: In the Western world, malignant mesothelioma (MM) is most prevalent in the pleura of older males who have been professionally exposed to asbestos. Information about MM from rapidly industrializing countries such as China is minimal. There is concern that a proportion of MM diagnoses in China may be incorrect because most Chinese physicians do not have experience diagnosing this rare cancer. We recently reported an unusually high incidence of peritoneal MM among eastern Chinese female patients...
December 19, 2016: Journal of Thoracic Oncology
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