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Mucoepidermoid carcinoma

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https://www.readbyqxmd.com/read/28337465/inflammatory-response-and-barrier-dysfunction-by-different-e-cigarette-flavoring-chemicals-identified-by-gas-chromatography-mass-spectrometry-in-e-liquids-and-e-vapors-on-human-lung-epithelial-cells-and-fibroblasts
#1
Janice Gerloff, Isaac K Sundar, Robert Freter, Emily R Sekera, Alan E Friedman, Risa Robinson, Todd Pagano, Irfan Rahman
Recent studies suggest that electronic cigarette (e-cig) flavors can be harmful to lung tissue by imposing oxidative stress and inflammatory responses. The potential inflammatory response by lung epithelial cells and fibroblasts exposed to e-cig flavoring chemicals in addition to other risk-anticipated flavor enhancers inhaled by e-cig users is not known. The goal of this study was to evaluate the release of the proinflammatory cytokine (interleukin-8 [IL-8]) and epithelial barrier function in response to different e-cig flavoring chemicals identified in various e-cig e-liquid flavorings and vapors by chemical characterization using gas chromatography-mass spectrometry analysis...
March 1, 2017: Appl In Vitro Toxicol
https://www.readbyqxmd.com/read/28332304/sclerosing-polycystic-adenosis-a-rare-tumor-misdiagnosed-as-retention-cyst-on-fine-needle-aspiration-cytology
#2
Shilpi, Fuzail Ahmad Ansari, Shalini Bahadur, Akshi Katyal, Aastha Narula, Namrata Nargotra, Sompal Singh
Sclerosing polycystic adenosis (SPA) is a rare benign neoplasm of the salivary gland which resembles the fibrocystic disease of the breast clinically as well as morphologically. This entity has varied morphological presentation on fine needle aspiration. Only a few case reports and occasional case series are found in the literature describing its cytology. Here we are presenting a case of SPA in the parotid gland in a 13-year-old male patient who presented with a slow growing infra-auricular mass since one year without any other symptoms...
March 22, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28330594/sclerosing-mucoepidermoid-carcinoma-of-the-sublingual-gland
#3
D H Lee, J H Kim, J K Lee, S C Lim
INTRODUCTION: Sclerosing mucoepidermoid carcinoma of the salivary gland is a rare subtype of mucoepidermoid carcinoma. The most common site of sclerosing mucoepidermoid carcinoma of the salivary glands is the parotid gland, followed by the submandibular gland, and the minor salivary glands. OBSERVATION: Here we report the first case of sclerosing mucoepidermoid carcinoma of the sublingual gland. DISCUSSION: Clinicians should consider sclerosing mucoepidermoid carcinoma in the differential diagnosis of salivary gland neoplasm...
March 16, 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/28327999/comprehensive-genomic-profiling-of-salivary-mucoepidermoid-carcinomas-reveals-frequent-bap1-pik3ca-and-other-actionable-genomic-alterations
#4
K Wang, J D McDermott, A B Schrock, J A Elvin, L Gay, S D Karam, D Raben, H Somerset, S M Ali, J S Ross, D W Bowles
Background: We sought to identify genomic alterations (GAs) in salivary mucoepidermoid carcinomas. Patients and methods: DNA was extracted from 48 mucoepidermoid carcinomas. Comprehensive genomic profiling (CGP) including the calculation to tumor mutational burden (TMB) was performed on hybridization-captured adaptor ligation-based libraries of 315 cancer-related genes plus introns from 28 genes frequently rearranged for cancer and evaluated for all classes of GAs...
January 16, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28302219/-mucoepidermoid-carcinoma-of-the-lung-report-of-29-cases
#5
Jingjing Hou, Huijuan Wang, Guowei Zhang, Yanyang Huang, Zhiyong Ma
BACKGROUND: Pulmonary mucoepidermoid carcinoma (MEC) is an extremely rare pulmonary malignant tumor, its clinical features and conditions of prognosis is not entirely clear. The aim of this study is to discuss clinical features, diagnostic and therapeutic methods, and prognosis of pulmonary MEC. METHODS: We retrospectively studied 29 pulmonary MEC patients who diagnosed from January 2006 to December 2015 in Affiliated Hospital of Zhengzhou University. The clinical features, prognosis, diagnostic and therapeutic methods were analyzed...
March 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28299426/immunoexpression-of-glut-1-and-angiogenic-index-in-pleomorphic-adenomas-adenoid-cystic-carcinomas-and-mucoepidermoid-carcinomas-of-the-salivary-glands
#6
Lélia Batista de Souza, Lucileide Castro de Oliveira, Cassiano Francisco Weege Nonaka, Maria Luiza Diniz de Sousa Lopes, Leão Pereira Pinto, Lélia Maria Guedes Queiroz
This study aimed to evaluate and compare the immunoexpression of glucose transporter-1 (GLUT-1) and angiogenic index between pleomorphic adenomas (PAs), adenoid cystic carcinomas (ACCs), and mucoepidermoid carcinomas (MECs) of the salivary glands, and establish associations with the respective subtype/histological grade. Twenty PAs, 20 ACCs, and 10 MECs were submitted to morphological and immunohistochemical analysis. GLUT-1 expression was semi-quantitatively evaluated and angiogenic index was assessed by microvessel counts using anti-CD34 antibody...
March 16, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28292512/clinicopathological-and-multisection-ct-features-of-primary-pulmonary-mucoepidermoid-carcinoma
#7
D-L Cheng, Y-X Hu, P-Q Hu, G Wen, K Liu
AIM: To delineate the multisection computed tomography (MSCT) features and the clinical characteristics of primary pulmonary mucoepidermoid carcinoma (PMEC). Prognostic factors were also analysed. MATERIALS AND METHODS: A retrospective study was undertaken to investigate the medical records and MSCT performance of histopathologically confirmed PMECs from 2007 to 2015. RESULTS: A total of 83.3% of patients with high-grade PMECs were aged >40 years, whereas there were 1...
March 11, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28280662/avoiding-facial-incisions-with-midface-free-tissue-transfer
#8
Mark W Stalder, Michael Sosin, Leo J Urbinelli, James L Mayo, Amir H Dorafshar, Hugo St Hilaire, Daniel E Borsuk, Eduardo D Rodriguez
BACKGROUND: We have adopted an intraoral microsurgical anastomosis to the facial vessels to eliminate the need for any visible facial incisions. METHODS: Cadaveric dissection was used to demonstrate accessibility of the facial artery and vein through an intraoral approach. Additionally, 5 patients underwent free tissue transfer for reconstruction of major defects of the midface through an intraoral, transmucosal approach, obviating the need for visible skin incisions...
February 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28271999/postoperative-radiotherapy-in-salivary-gland-carcinoma-a-single-institution-experience
#9
Öztun Temelli, Ersoy Kekilli, Ahmet Kizilay
BACKGROUND: Salivary gland carcinoma are rare tumors and the main treatment is surgical. The addition of radiotherapy to surgery decreases locoregional relapses in high risk patients. Aim of our study is to retrospectively evaluate local control and survival and the factors affecting them in patients who received postoperative radiotherapy. MATERIALS AND METHODS: The medical records of 30 patients with salivary gland tumors operated on and referred to our clinic for adjuvant RT between January 2004 and June 2015 were retrospectively evaluated...
January 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28262804/prognostic-factors-of-palatal-mucoepidermoid-carcinoma-a-retrospective-analysis-based-on-a-double-center-study
#10
Wenguang Xu, Yufeng Wang, Xiaofeng Qi, Junqi Xie, Zheng Wei, Xiteng Yin, Zhiyong Wang, Jian Meng, Wei Han
Mucoepidermoid carcinoma (MEC) of the palate is a common malignancy of minor salivary glands. This study was designed to identify the prognostic factors for MEC of the palate. The medical records of patients diagnosed with MEC of the palate who visited the Department of Oral and Maxillofacial Surgery at Nanjing Stomatological Hospital and the Department of Stomatology at Central Hospital of Xuzhou were retrospectively studied. The prognostic factors were determined using a Cox proportional hazards model. Furthermore, the expression of cancer stem cell (CSC) markers CD44, CD133, Nanog and Sox2 were detected in neoplastic samples of these patients by immunohistochemistry...
March 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28262005/parotid-or-carotid-misled-by-site
#11
Ruchita Tyagi, Manish Munjal, Pavneet Kaur, Harpreet Kaur, Neena Sood
We present an interesting scenario where a 64 years old male presented with a long standing painless, infra-auricular swelling, which had progressively increased in size. Based on the site, the clinical impression was of a salivary gland lesion and FNAC was performed. The smears were unusually cellular and had necrotic background. The cytological diagnosis was a cystic neoplasm of salivary gland, possibly mucoepidermoid carcinoma. Warthin's tumor was also kept in differential. However, the radiological investigations, which were made available after the FNAC report were conflicting with cytological diagnosis of a malignancy and were characteristic of a carotid body tumor, generally a benign neoplasm...
March 6, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28249649/systemic-therapy-in-metastatic-salivary-gland-carcinomas-a-pathology-driven-paradigm
#12
REVIEW
Salvatore Alfieri, Roberta Granata, Cristiana Bergamini, Carlo Resteghini, Paolo Bossi, Lisa F Licitra, Laura D Locati
Salivary gland carcinomas (SGCs) represent one of the most complex tumors from a pathological point of view. According to the World Health Organization (WHO) classification (2005), twenty-four malignant histotypes are recognized, almost all characterized by specific morphological and genetic features as well as by particular clinical behavior. Loco-regional relapse and distant metastases are quite common. Distant metastases are diagnosed in 25-55% of the patients and only 20% of them are alive after 5years...
March 2017: Oral Oncology
https://www.readbyqxmd.com/read/28247230/update-from-the-4th-edition-of-the-world-health-organization-of-head-and-neck-tumours-tumours-of-the-oral-cavity-and-mobile-tongue
#13
Susan Müller
There have been several additions and deletions in Chapter 4 on Tumours of the oral cavity and mobile tongue in the 2017 fourth edition of the World Health Organization Classification of Tumours of the Head and Neck. This chapter excludes the oropharynx, which now is a stand-alone chapter acknowledging the uniqueness of the oropharynx from the oral cavity. New entries in Chapter 4 include rhabdomyoma, haemangioma, schwannoma, neurofibroma and myofibroblastic sarcoma in the section titled Soft tissue and neural tumours...
March 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28224460/how-phenotype-guides-management-of-the-most-common-malignant-salivary-neoplasms-of-the-larynx
#14
REVIEW
Fernando López, Michelle D Williams, Alena Skálová, Henrik Hellquist, Carlos Suárez, Iain J Nixon, Juan P Rodrigo, Antonio Cardesa, Primož Strojan, Miquel Quer, Jennifer L Hunt, Alessandra Rinaldo, Alfio Ferlito
Salivary gland carcinomas of the larynx are uncommon. Adenoid cystic carcinoma is the most prevalent type of salivary gland carcinoma in this region, although other histologies such as mucoepidermoid carcinoma and adenocarcinomas have been reported. These tumors may present with advanced-stage due to nonspecific symptoms and their relatively slow-growing nature. The index of suspicion for a non-squamous cell carcinoma entity should be high when a submucosal mass is present. An accurate diagnosis is mandatory due to the impact each biologic entity has on treatment and outcome...
February 21, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28195108/mucoepidermoid-carcinoma-in-a-mature-cystic-teratoma-a-rare-case-report-with-review-of-literature
#15
REVIEW
Yasmin Altaf Momin, Medha Pradip Kulkarni, Amitkumar Bapuso Pandav, Kalpana Ranjitsingh Sulhyan
Mature cystic teratoma, also known as dermoid cyst, is the most common germ cell tumor of the ovary with a relative incidence of 20%. Rarely, dermoid cysts undergo malignant transformation (0.94%-2%). We report a case of mucoepidermoid carcinoma within a mature cystic teratoma in a 35-year-old female.
January 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28178760/histone-deacetylase-7-silencing-induces-apoptosis-and-autophagy-in-salivary-mucoepidermoid-carcinoma-cells
#16
Mee-Young Ahn, Jung-Hoon Yoon
BACKGROUND: The overexpression of histone deacetylases (HDACs) has been observed in many cancers, and inhibition of specific HDACs has emerged as a new target for cancer therapy. We found that HDAC7 expression was selectively reduced by HDAC inhibitor apicidin in salivary mucoepidermoid carcinoma (MEC) cells. Here, we show that HDAC7 suppression has a potent antitumor effect in MEC cells. METHODS: Histone deacetylases7 was knocked down using HDAC7 siRNAs, and cell proliferation was quantified...
February 8, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28160579/retrospective-study-of-149-cases-of-salivary-gland-carcinoma-in-a-spanish-hospital-population
#17
L Collazo-Fernández, J Campo-Trapero, J Cano-Sánchez, R García-Martín, C Ballestín-Carcavilla
BACKGROUND: The clinical and histological characteristics of salivary gland tumors vary widely, complicating their diagnosis and management, and major differences have been recorded in the distribution of histopathological diagnoses among different countries. MATERIAL AND METHODS: This retrospective study reviewed the demographic (age, sex) and clinicopathological (pathology diagnosis and localization) characteristics of cases diagnosed with primary SGC between June 1992 and May 2014 in the Pathology Department of the 12 de Octubre Hospital of Madrid...
March 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28152492/bronchial-mucoepidermoid-carcinoma-a-case-report
#18
Alessandro G Fois, Gabriella Diana, Antonella Arcadu, Viviana Marras, Paola Crivelli, Carlo Putzu, Giorgio C Ginesu, Sara Canu, Pietro Pirina
INTRODUCTION: Bronchial localization of Mucoepidermoid carcinoma (MEC) is rare. The precise nature of these neoplasms is not yet clear and little is known on the histogenesis and pathogenesis of the disease. Here we present a case of a bronchial MEC with a detailed pathological, immunohistochemical, and molecular analysis. PRESENTATION OF A CASE: A 46 years old Caucasian male patient was referred to our Unit for fever, non productive cough and dyspnea lasting for two months...
January 19, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28139061/immunohistochemical-and-molecular-profile-of-salivary-gland-cancer-in-children
#19
Laura D Locati, Paola Collini, Martina Imbimbo, Marta Barisella, Adele Testi, Lisa F Licitra, Thomas Löning, Katharina Tiemann, Pasquale Quattrone, Emanuela Bimbatti, Stefano Chiaravalli, Michela Casanova, Elena Tamborini, Roberto Carta, Patrizia Gasparini, Marco Guzzo, Maura Massimino, Andrea Ferrari
BACKGROUND: Pediatric salivary gland carcinomas (SGCs) are very rare. They differ from the adult SGCs in terms of epidemiologic and clinical behavior, being generally limited only to selected histotypes (e.g. low-grade mucoepidermoid [LG-MEC] and acinic cell cancer [AcCC]) and characterized by very good outcome. Our aim was to investigate therapeutic targets on a series of pediatric SGCs by immunohistochemical and molecular analysis. METHODS: A retrospective analysis was performed to search for cases of pediatric SGCs in the database of the Pediatric Oncology Unit at the Istituto Nazionale Tumori and in the Pathology database at the Gerhard-Seifert-Reference-Centre...
January 31, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28102567/cutaneous-involvement-by-nasal-mucoepidermoid-carcinoma-the-tip-of-the-iceberg-phenomenon
#20
Ge Zhao, Oliver Chang, John Streidl, Amit Bhrany, Kyle Garton, Timothy H McCalmont, Paul E Swanson, Zsolt Argenyi, Michi M Shinohara
No abstract text is available yet for this article.
February 2017: Journal of Cutaneous Pathology
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