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Oral cavity cancer

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https://www.readbyqxmd.com/read/28334428/discrepancy-between-ctnm-and-ptnm-staging-of-oral-cavity-cancers-and-its-prognostic-significance
#1
Nayeon Choi, Yangseop Noh, Eun Kyu Lee, Manki Chung, Chung-Hwan Baek, Kwan-Hyuck Baek, Han-Sin Jeong
INTRODUCTION: Accurate tumor-node-metastasis(TNM) staging of oral cavity cancer(OCC) is very important in the management of this dismal disease. However, stage migration from cTNM to pTNM was found in a portion of OCC patients. The objective of this study was to determine the possible causes of discrepancy between cTNM and pTNM in OCC and the clinical impacts of stage migration. METHODS: Clinical and pathological data of 252 OCC patients were retrospectively reviewed and compared each other...
March 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28331310/codelivery-of-doxorubicin-and-triptolide-with-reduction-sensitive-lipid-polymer-hybrid-nanoparticles-for-in-vitro-and-in-vivo-synergistic-cancer-treatment
#2
Bo Wu, Shu-Ting Lu, Liu-Jie Zhang, Ren-Xi Zhuo, Hai-Bo Xu, Shi-Wen Huang
Codelivery is a promising strategy to overcome the limitations of single chemotherapeutic agents in cancer treatment. Despite progress, codelivery of two or more different functional drugs to increase anticancer efficiency still remains a challenge. Here, reduction-sensitive lipid-polymer hybrid nanoparticles (LPNPs) drug delivery system composed of monomethoxy-poly(ethylene glycol)-S-S-hexadecyl (mPEG-S-S-C16), soybean lecithin, and poly(D,L-lactide-co-glycolide) (PLGA) was used for codelivery of doxorubicin (DOX) and a Chinese herb extract triptolide (TPL)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28330570/-information-quality-in-general-public-french-speaking-websites-dedicated-to-oral-cancer-detection
#3
A Vivien, V Kowalski, A Chatellier, E Babin, H Bénateau, A Veyssière
INTRODUCTION: The goal set by the French highest national authorities in the 2014-2019 Cancer Plan is to "heal more sick persons by promoting early diagnosis through screening". Screening requires information. Nowadays, Internet allows for access to information "in one click". The aim of our study was to evaluate the quality of information found on the Internet. MATERIALS AND METHODS: Several sites dedicated to oral cavity cancer screening were selected on Google...
February 2017: J Stomatol Oral Maxillofac Surg
https://www.readbyqxmd.com/read/28326646/effect-of-tempol-on-the-prevention-of-irradiation-induced-mucositisin-miniature-pigs
#4
Liang Hu, Yijuan Wang, Ana P Cotrim, Zhao Zhu, Runtao Gao, Changyu Zheng, Corinne M Goldsmith, Luyuan Jin, Chunmei Zhang, James B Mitchell, Bruce J Baum, Songlin Wang
OBJECTIVE: The goals of this study were to (i) establish a useful miniature pig (minipig) model for irradiation-induced oral mucositis and (ii) evaluate the effect of Tempol to prevent its development. METHODS AND MATERIALS: Minipigs were irradiated with 6Gy for 5 consecutive days targeting the entire oral cavity. To prevent radiation damage minipigs were treated with 30 mg/kg Tempol 10 minutes before irradiation (n=4), while, the radiation-alone group was similarly injected with saline (n=4)...
March 22, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28322198/multiple-and-recurrent-squamous-cell-carcinoma-of-the-oral-cavity-after-graft-versus-host-disease
#5
Xiu Hong Weng, Yu Zhen Xing, Bo Cheng
Oral squamous cell carcinoma (OSCC) is one of the most common secondary solid tumors in patients who have undergone hematopoietic stem cell transplantation (HSCT). However, according to previous reports, multiple and recurrent OSCC is very rare. The presented case shows the susceptibility to the development of secondary malignancies, particularly oral cancer, of patients who present with chronic graft-versus-host disease after HSCT. OSCC after HSCT appears to be more invasive and has a tendency to recur, with a poor prognosis...
February 22, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28321535/treatment-outcome-of-advance-staged-oral-cavity-cancer-concurrent-chemoradiotherapy-compared-with-primary-surgery
#6
Manupol Tangthongkum, Virat Kirtsreesakul, Pasawat Supanimitjaroenporn, Peesit Leelasawatsuk
Concurrent chemoradiotherapy (CCRT) has been reported as effective and has become an acceptable treatment in advanced oral cancer. However, to date there is insufficient data to conclude that CCRT provides a good survival outcome. The purpose of this study was to compare survival rates and complications in patients with resectable advanced oral cavity squamous cell carcinoma treated with either CCRT or surgery with adjuvant radiotherapy (RT)/chemoradiotherapy (CRT). Stage III or IVa oral cavity carcinoma patients treated with curative intent by either CCRT or surgery with adjuvant RT were identified over a 7-year period (2009-2015)...
March 20, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28320044/multiple-concomitant-oral-cavity-cancers-incidence-management-and-outcomes
#7
Huang-Kai Kao, Mohamed Abdelrahman, Yenlin Huang, Chia-Hsuan Tsai, Megias J Barrera, Ngan-Ming Tsang, Adam J Couves, Ming-Huei Cheng, Kai-Ping Chang
BACKGROUND: Little is known about the appropriate treatment and long-term survival of patients with multiple concomitant oral cavity cancers (MOC). The aim of this study was to clarify the clinicopathological features of MOC, to compare the prognosis of MOC patients with that of patients with single oral cavity cancers (SOC), and to describe reconstructive options based on the concept of economy in autologous tissue transfer. METHODS: Data from 603 patients diagnosed with at least one squamous cell carcinoma of the oral cavity who underwent surgery for primary oral cavity cancers between 2006 and 2014 were reviewed retrospectively to identify MOC patients...
March 20, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28317574/role-of-oral-microbial-infections-in-oral-cancer
#8
REVIEW
Brett L Ferguson, Scott Barber, Imani H Asher, Chalmers R Wood
The role of bacterial and viral carcinogenesis in the oral cavity is increasingly of interest, as a means to provide more methods of cancer prevention. There may be relationships between bacteria and multiple strains of viruses in the progression of malignancy. Cancer cause is closely related to the type of carcinogen, as well as the synergistic or additive actions of combined risk factors, the susceptibility of the host, and duration of interaction between host and exposure to risk factor. Much research is underway to further define the role of microbial and bacterial agents in the progression of malignancy...
April 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/28316084/sensitivity-and-specificity-of-antibodies-against-hpv16-e6-and-other-early-proteins-for-the-detection-of-hpv16-driven-oropharyngeal-squamous-cell-carcinoma
#9
Dana Holzinger, Gunnar Wichmann, Lorena Baboci, Angelika Michel, Daniela Höfler, Manuel Wiesenfarth, Lea Schroeder, Paolo Boscolo-Rizzo, Christel Herold-Mende, Gerhard Dyckhoff, Andreas Boehm, Annarosa Del Mistro, Franz X Bosch, Andreas Dietz, Michael Pawlita, Tim Waterboer
To determine the sensitivity and specificity of HPV16 serology as diagnostic marker for HPV16-driven oropharyngeal squamous cell carcinoma (OPSCC), 214 HNSCC patients from Germany and Italy with fresh-frozen tumor tissues and sera collected before treatment were included in this study. 120 cancer cases were from the oropharynx and 94 were from head and neck cancer regions outside the oropharynx (45 oral cavity, 12 hypopharynx and 35 larynx). Serum antibodies to early (E1, E2, E6 and E7) and late (L1) HPV16 proteins were analyzed by multiplex serology and were compared to tumor HPV RNA status as the gold standard...
March 18, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28314692/identification-of-an-atypical-etiological-head-and-neck-squamous-carcinoma-subtype-featuring-the-cpg-island-methylator-phenotype
#10
K Brennan, J L Koenig, A J Gentles, J B Sunwoo, O Gevaert
Head and neck squamous cell carcinoma (HNSCC) is broadly classified into HNSCC associated with human papilloma virus (HPV) infection, and HPV negative HNSCC, which is typically smoking-related. A subset of HPV negative HNSCCs occur in patients without smoking history, however, and these etiologically 'atypical' HNSCCs disproportionately occur in the oral cavity, and in female patients, suggesting a distinct etiology. To investigate the determinants of clinical and molecular heterogeneity, we performed unsupervised clustering to classify 528 HNSCC patients from The Cancer Genome Atlas (TCGA) into putative intrinsic subtypes based on their profiles of epigenetically (DNA methylation) deregulated genes...
March 1, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28302215/-altered-treg-and-il-1a-expression-in-the-immune-microenvironment-%C3%A2-of-lung-squamous-cell-cancer-after-egfr-blockade
#11
Haiyang He, Luyu Qi, Yiling Hou
BACKGROUND: Targeting the mutations and amplifications in the epidermal growth factor receptor (EGFR) gene has curative effects on cancers of the lung, oral cavity, and gastrointestinal system. However, a systemic immune inflammation is an adverse effect of this therapeutic strategy. In this study, we aimed to identify the possible changes in the tumor microenvironment that contribute to the anti-cancer activity of EGFR inhibition. METHODS: Squamous-cell cancers were induced by the syngeneic transplantation of either EGFR-null or wild-type mouse primary keratinocytes that had been transduced with an oncogenic H-ras retrovirus...
March 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28300950/correlation-between-swallowing-related-quality-of-life-and-videofluoroscopy-after-head-and-neck-cancer-treatment
#12
Margareth Souza Andrade, Aline Nogueira Gonçalves, Renata Lígia Vieira Guedes, Camila Barbosa Barcelos, Luciana Dall'Agnol Siqueira Slobodticov, Simone Aparecida Claudino Lopes, Ana Lúcia Noronha Francisco, Elisabete Carrara de Angelis
Introduction: The use of symptom-specific questionnaires on head and neck cancer (HNC), together with objective swallowing measures, can be sensitive to changes in quality of life (QoL) resulting from dysphagia, but this tool is not broadly used as a complement to clinical evaluations. Purpose: To analyze the correlation between the M. D. Anderson Dysphagia Inventory (MDADI) questionnaire and videofluoroscopy (VF) in patients treated for head and neck cancer. Methods: This is a retrospective study with review of clinical data, VF and MDADI results...
March 9, 2017: CoDAS
https://www.readbyqxmd.com/read/28299261/crossed-pectoralis-major-myocutaneous-flap-for-recurrent-oral-cavity-cancers
#13
Mayank Pancholi, Sanjay Sharma, Sanjay M Desai, Deepak Agrawal
BACKGROUND: Oral cavity cancers are fairly common and have propensity to recur locally. Since Pectoralis Major Myocutaneous (PMMC) flap is the most widely used first flap for reconstruction, it is exhausted at the earliest and recurrence poses a formidable challenge for reconstructive surgeon. Present study evaluated the feasibility of contralateral Pectoralis Major Myocutaneous Flap for reconstruction after resection of recurrent tumour. METHODS: This was a study of the patients presenting with recurrent oral cavity cancer after exhausted ipsilateral Pectoralis Major Myocutaneous Flap (PMMC) in whom we used contralateral Pectoralis Major Myocutaneous Flap (Crossed PMMC Flap) for reconstruction between October 2013 to June 2016...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28297339/deformable-image-registration-and-interobserver-variation-in-contour-propagation-for-radiation-therapy-planning
#14
Adam C Riegel, Jeffrey G Antone, Honglai Zhang, Prachi Jain, Jagdeep Raince, Anthony Rea, Angelo M Bergamo, Ajay Kapur, Louis Potters
Deformable image registration (DIR) and interobserver variation inevitably introduce uncertainty into the treatment planning process. The purpose of the current work was to measure deformable image registration (DIR) errors and interobserver variability for regions of interest (ROIs) in the head and neck and pelvic regions. Measured uncertainties were combined to examine planning margin adequacy for contours propagated for adaptive therapy and to assess the trade-off of DIR and interobserver uncertainty in atlas-based automatic segmentation...
May 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28295873/mutational-signatures-in-oral-cancer-indicate-a-complex-role-for-tobacco-smoke-carcinogens
#15
G Bradley, M A Magalhaes, M Hyrcza
A recent publication by Alexandrov et al in Science (Alexandrov et al, 2016) presents a new approach to study the genomic changes in cancers associated with tobacco smoking. The genomic analyses, undertaken with a background of epidemiologic and clinical studies, indicate that tobacco smoking causes distinct mutations across the genome that are recognizable collectively as mutational signatures. By studying a range of cancer types that vary in the strength of association with tobacco smoking, including oral cavity cancer, the authors demonstrate the complex roles of tobacco smoke carcinogens in the mutational processes that lead to cancer...
March 13, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28292019/carcinogenesis-mechanisms-of-fusobacterium-nucleatum
#16
REVIEW
Pourya Gholizadeh, Hosein Eslami, Hossein Samadi Kafil
Transformed cells of cancers may be related to stromal cells, immune cells, and some bacteria such as Fusobacterium nucleatum. This review aimed to evaluate carcinogenesis mechanisms of Fusobacterium spp. in the oral cavity, pancreatic and colorectal cancers. These cancers are the three of the ten most prevalence cancer in the worldwide. Recent findings demonstrated that F. nucleatum could be considered as the risk factor for these cancers. The most important carcinogenesis mechanisms of F. nucleatum are chronic infection, interaction of cell surface molecules of these bacteria with immune system and stromal cells, immune evasion and immune suppression...
March 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28292008/smokeless-tobacco-paan-and-gutkha-consumption-and-its-prevalence-contributing-toward-oral-cancer
#17
Kamal Niaz, Faheem Maqbool, Fazlullah Khan, Haji Bahadar, Fatima Ismail Hassan, Mohammad Abdollahi
OBJECTIVES: Smokeless tobacco consumption leads to oral submucous fibrosis (OSMF) condition, which is a long-lasting devastating condition of oral cavity having the potential of malignancy across the world. In this review, we mainly focus on smokeless tobacco such as paan and gutkha consumption, and their role in the induction of OSMF and finally oral cancer. METHODS: The list of articles to be examined was established using citation discovery tools provided by PubMed, Scopus and Google Scholar...
March 9, 2017: Epidemiology and Health
https://www.readbyqxmd.com/read/28279060/-application-of-exfoliated-cells-in-early-diagnosis-of-oral-cancer
#18
T Liu, X Y Zhang, Z Sun
Exfoliative cytology is a simple and non-invasive examination method that is easily accepted by the patient. A number of new techniques are used to further increase the accuracy of sample collecting. It is widely used in the detection of cervical, oral cavity and various coelom exfoliated cells. This article reviews the development of exfoliative cytology in oral cancer diagnosis. It is realized that the qualitative and quantitative analysis of cancer and precancerous lesions, through DNA quantitative analysis to calculate DNA index (DI value), multiple parameter analysis and statistical modeling calculation to evaluate oral cancer risk index (OCRI) of the patient has great significance in cancer screening, early diagnosis and prognosis review, especially in the field of oral cancer...
March 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28276321/downregulation-of-calcium-binding-protein-s100a9-inhibits-hypopharyngeal-cancer-cell-proliferation-and-invasion-ability-through-inactivation-of-nf%C3%AE%C2%BAb-signaling
#19
Ping Wu, Huatao Quan, Jing Kang, Jian He, Shi Luo, Chubo Xie, Jing Xu, Yaoyun Tang, Suping Zhao
Hypopharyngeal cancer (HPC) frequently present at an advanced stage, and display early submucosal spread, resulting inpoor prognosis, among the worst of all head and neck subsites. Detection of HPC at an earlier stage would be beneficial to patients. In this study, we used Differential in-gel electrophoresis (DIGE) and two-dimensional polyacrylamide gel electrophoresis (2-DE) proteomics analysis to indentify the potential biomarkers for HPC. Among the differential proteins identified, calcium binding protein S100A9 was overexpressed in HPC tissues compared with normal adjacent tissues, and S100A9 expression in metastatic tissues and advanced tumor tissues was higher than in non-metastatic tissues and early tumor tissues, respectively...
March 8, 2017: Oncology Research
https://www.readbyqxmd.com/read/28276113/tumor-volume-as-an-independent-predictive-factor-of-worse-survival-in-patients-with-oral-cavity-squamous-cell-carcinoma
#20
Chin Shien Lin, André Bandiera de Oliveira Santos, Evandro Lima E Silva, Leandro Luongo de Matos, Raquel Ajub Moyses, Marco Aurélio Vamondes Kulcsar, Fábio Roberto Pinto, Lenine Garcia Brandão, Claudio Roberto Cernea
BACKGROUND: The purpose of the present study was to investigate the role of tumor volume in the prognosis of patients with oral cavity squamous cell carcinoma (SCC). METHODS: One hundred twenty-three patients with T4a oral cavity SCCs underwent surgical treatment. The volumes of the primary cancer were calculated by the multiplication of 3 macroscopic dimensions of the surgical specimen and related to recurrence and death. RESULTS: There were 54 recurrences (43...
March 9, 2017: Head & Neck
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