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https://www.readbyqxmd.com/read/28818030/vitamin-e-%C3%AE-tocopherol-exhibits-antitumour-activity-on-oral-squamous-carcinoma-cells-orl-48
#1
Rahayu Zulkapli, Fathilah Abdul Razak, Rosnah Binti Zain
Cancers involving the oral cavity, head, and neck regions are often treated with cisplatin. In cancer therapy, the main target is to eliminate unwanted cancerous cells. However, reports on the nonselective nature of this drug have raised few concerns. Incorrect nutritional habits and lifestyle practices have been directly linked to cancer incidence. Nutrients with antioxidant activity inhibit cancer cells development, destroying them through oxidative stress and apoptosis. α-tocopherol, the potent antioxidant form of vitamin E is a known scavenger of free radicals...
September 2017: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28801876/tumor-dna-an-emerging-biomarker-in-head-and-neck-cancer
#2
Joseph A Bellairs, Rifat Hasina, Nishant Agrawal
Head and neck cancer (HNC) includes a diverse range of malignancies arising commonly from mucosal epithelia of the upper aerodigestive tract. Head and neck squamous cell carcinoma (HNSCC), the most common form of HNC, develops in the oral cavity, pharynx, and larynx and is associated with tobacco exposure, alcohol abuse, and infection with oncogenic viruses. Despite global advances in cancer care, HNSCC often presents with advanced disease and is associated with poor 5-year survival of ~50%. Genotyping tumor tissue to guide clinical decision-making is becoming commonplace in modern oncology, but in the management of HNSCC, tissue biopsies with cytopathology or histopathology remain the mainstay for diagnosis...
August 12, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28799122/prognostic-stratification-of-patients-with-advanced-oral-cavity-squamous-cell-carcinoma
#3
REVIEW
Dante De Paz, Huang-Kai Kao, Yenlin Huang, Kai-Ping Chang
PURPOSE OF REVIEW: Prognosis of advanced oral squamous cell carcinoma remains a challenge for clinicians despite progress in its diagnosis and treatment over the past decades. In this review, we assessed clinicopathological factors and potential biomarkers along with their prognostic relevance in an attempt to develop optimal treatment strategies for these patients. RECENT FINDINGS: In addition to several pathologic factors that have been proposed to improve prognostic stratification and treatment planning in the eighth edition of the American Joint Committee staging manual on cancer, we reviewed some other imaging and clinicopathological parameters demonstrated to be closely associated with patient prognosis, along with the biomarkers related to novel target or immune therapy...
August 10, 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28797465/conditional-relative-survival-of-oral-cavity-cancer-based-on-korean-central-cancer-registry
#4
Seung-Ki Min, Sung Weon Choi, Johyun Ha, Joo Yong Park, Young-Joo Won, Kyu-Won Jung
OBJECTIVES: Conditional relative survival (CRS) describes the survival chance of patients who have already survived for a certain period of time after diagnosis and treatment of cancer. Thus, CRS can complement the conventional 5-year relative survival, which does not consider the time patients have survived after their diagnosis. This study aimed to assess the 5-year CRS among Korean patients with oral cancer and the related risk factors. MATERIALS AND METHODS: We identified 15,329 oral cavity cancer cases with a diagnosis between 1993 and 2013 in the Korea Central Cancer Registry...
September 2017: Oral Oncology
https://www.readbyqxmd.com/read/28797455/prognostic-factors-and-occult-nodal-disease-in-mucoepidermoid-carcinoma-of-the-oral-cavity-and-oropharynx-an-analysis-of-the-national-cancer-database
#5
Mark A Ellis, Evan M Graboyes, Terry A Day, David M Neskey
OBJECTIVES: Mucoepidermoid carcinoma (MEC) is an uncommon malignancy that most commonly occurs in the parotid gland followed by the minor salivary glands of the upper aerodigestive tract, most notably in the oral cavity (OC) and oropharynx (OP). Because of its rarity, few studies have been performed that are specific to MEC within the OC and OP. The objective of this study is to describe the tumor characteristics and prognostic features for MEC of the OC and OP. MATERIALS AND METHODS: The National Cancer Database (NCDB) was used for this study...
September 2017: Oral Oncology
https://www.readbyqxmd.com/read/28797445/characteristics-and-long-term-outcomes-of-head-and-neck-squamous-cell-carcinoma-after-solid-organ-transplantation
#6
Samer Alsidawi, Katharine A Price, Ashish V Chintakuntlawar, Gustavo F Westin, Joaquin J Garcia, Daniel J Ma, Scott H Okuno
INTRODUCTION: Immunosuppression after solid organ transplant prevents graft rejection, but leads to increased incidence of various malignancies including head and neck squamous cell carcinoma (HNSCC). Outcomes of patients with post-transplant HNSCC are unknown. MATERIALS AND METHODS: We retrospectively identified patients who developed HNSCC after solid organ transplant between 1995 and 2010. Adults with pathology-proven HNSCC and adequate follow up were included...
September 2017: Oral Oncology
https://www.readbyqxmd.com/read/28776575/an-oral-cavity-squamous-cell-carcinoma-quantitative-histomorphometric-based-image-classifier-of-nuclear-morphology-can-risk-stratify-patients-for-disease-specific-survival
#7
Cheng Lu, James S Lewis, William D Dupont, W Dale Plummer, Andrew Janowczyk, Anant Madabhushi
Oral cavity squamous cell carcinoma is the most common type of head and neck carcinoma. Its incidence is increasing worldwide, and it is associated with major morbidity and mortality. It is often unclear which patients have aggressive, treatment refractory tumors vs those whose tumors will be more responsive to treatment. Better identification of patients with high- vs low-risk cancers could help provide more tailored treatment approaches and could improve survival rates while decreasing treatment-related morbidity...
August 4, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28770890/cervical-cancer-in-pakistan-a-review
#8
Syeda Asma Batool, Sumera Sajjad, Husna Malik
Cervix carcinoma is the second commonest condition in women under 50 years of age and third after breast and oral cavity cancers across all age groups. Though a preventable disease, the mortality rate is very high because it is an ignored ailment in Pakistan in terms of screening, prevention and vaccination. More than 70% of cancer patients report with very advanced stage of malignancy and this is the cause of the high rate of mortality in Pakistan. We covered studies cited during the previous 11 years (2005-2015) that reviewed many aspects of cervical cancer in Pakistan, including epidemiology, risk factors, screening test and their barriers, clinical presentation and prevention...
July 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28764790/successful-management-of-rare-gingival-metastasis-from-gastric-adenocarcinoma-a-case-report-and-literature-review
#9
Zhili Wu, Jun Tang, Yan Li, Husheng Lu, Jun Xu, Donglai Lv
BACKGROUND: Gastric cancer rarely metastasizes to the oral cavity, especially to gingiva. Only 18 cases have been reported worldwide to date. This paper herein presents the nineteenth case of gingival metastasis from gastric cancer. CASE PRESENTATION: A 75-year-old man who underwent a radical gastrectomy for gastric adenocarcinoma was admitted to clinical oncology center for gingival mass which was originally diagnosed as epulis. The subsequent positron emission tomography-computed tomography (PET-CT) and histopathological examination revealed a gingival metastatic adenocarcinoma originated from gastric carcinoma...
August 1, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28760853/survival-of-head-and-neck-cancer-cells-relies-upon-lzk-kinase-mediated-stabilization-of-mutant-p53
#10
Zoe C Edwards, Eleanor W Trotter, Pedro Torres-Ayuso, Phil Chapman, Henry M Wood, Katherine Nyswaner, John Brognard
Head and neck squamous cell carcinoma (HNSCC) includes epithelial cancers of the oral and nasal cavity, larynx, and pharynx and accounts for ~350,000 deaths/year worldwide. Smoking-related HNSCC is associated with few targetable mutations but is defined by frequent copy number alteration, the most common of which is gain at 3q. Critical 3q target genes have not been conclusively determined for HNSCC. Here we present data indicating that MAP3K13 (encoding LZK) is an amplified driver gene in HNSCC. Copy number gain at 3q resulted in increased MAP3K13 mRNA in HNSCC tumor samples and cell lines...
July 31, 2017: Cancer Research
https://www.readbyqxmd.com/read/28759046/ezh2-mediated-upregulation-of-ros1-oncogene-promotes-oral-cancer-metastasis
#11
C-H Shih, Y-J Chang, W-C Huang, T-H Jang, H-J Kung, W-C Wang, M-H Yang, M-C Lin, S-F Huang, S-W Chou, E Chang, H Chiu, T-Y Shieh, Y-J Chen, L-H Wang, L Chen
Current anti-epidermal growth factor receptor (EGFR) therapy for oral cancer does not provide satisfactory efficacy due to drug resistance or reduced EGFR level. As an alternative candidate target for therapy, here we identified an oncogene, ROS1, as an important driver for oral squamous cell carcinoma (OSCC) metastasis. Among tumors from 188 oral cancer patients, upregulated ROS1 expression strongly correlated with metastasis to lung and lymph nodes. Mechanistic studies uncover that the activated ROS1 results from highly expressed ROS1 gene instead of gene rearrangement, a phenomenon distinct from other cancers...
July 31, 2017: Oncogene
https://www.readbyqxmd.com/read/28758200/endoscopic-screening-for-synchronous-esophageal-neoplasia-among-patients-with-incident-head-and-neck-cancer-prevalence-risk-factors-and-outcomes
#12
Yao-Kuang Wang, Yun-Shiuan Chuang, Tzung-Shiun Wu, Ka-Wo Lee, Che-Wei Wu, Hsiang-Chen Wang, Chie-Tong Kuo, Chien-Hung Lee, Wen-Rei Kuo, Chung-Ho Chen, Deng-Chyang Wu, I-Chen Wu
Esophageal squamous-cell neoplasia (ESCN) is a common second primary neoplasia found in patients with head-and-neck squamous-cell carcinoma (HNSCC). This study sought to identify the risk factors for synchronous ESCN and how they influence survival in HNSCC patient. 815 incident HNSCC patients were prospectively recruited for endoscopy screening for ESCN using white-light imaging, narrow-band imaging, Lugol chromoendoscopy, and pathological confirmation. Associated lifestyle and clinicopathological data were collected...
July 30, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28757375/role-of-radiotherapy-fractionation-in-head-and-neck-cancers-march-an-updated-meta-analysis
#13
Benjamin Lacas, Jean Bourhis, Jens Overgaard, Qiang Zhang, Vincent Grégoire, Matthew Nankivell, Björn Zackrisson, Zbigniew Szutkowski, Rafał Suwiński, Michael Poulsen, Brian O'Sullivan, Renzo Corvò, Sarbani Ghosh Laskar, Carlo Fallai, Hideya Yamazaki, Werner Dobrowsky, Kwan Ho Cho, Adam S Garden, Johannes A Langendijk, Celia Maria Pais Viegas, John Hay, Mohamed Lotayef, Mahesh K B Parmar, Anne Aupérin, Carla van Herpen, Philippe Maingon, Andy M Trotti, Cai Grau, Jean-Pierre Pignon, Pierre Blanchard
BACKGROUND: The Meta-Analysis of Radiotherapy in squamous cell Carcinomas of Head and neck (MARCH) showed that altered fractionation radiotherapy is associated with improved overall and progression-free survival compared with conventional radiotherapy, with hyperfractionated radiotherapy showing the greatest benefit. This update aims to confirm and explain the superiority of hyperfractionated radiotherapy over other altered fractionation radiotherapy regimens and to assess the benefit of altered fractionation within the context of concomitant chemotherapy with the inclusion of new trials...
July 27, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28752518/the-color-of-cancer-margin-guidance-for-oral-cancer-resection-using-elastic-scattering-spectroscopy
#14
Gregory A Grillone, Zimmern Wang, Gintas P Krisciunas, Angela C Tsai, Vishnu R Kannabiran, Robert W Pistey, Qing Zhao, Eladio Rodriguez-Diaz, Ousama M A'Amar, Irving J Bigio
OBJECTIVES/HYPOTHESIS: To evaluate the usefulness of elastic scattering spectroscopy (ESS) as a diagnostic adjunct to frozen section analysis in patients with diagnosed squamous cell carcinoma of the oral cavity. STUDY DESIGN: Prospective analytic study. METHODS: Subjects for this single institution, institutional review board-approved study were recruited from among patients undergoing surgical resection for squamous cell cancer of the oral cavity...
July 28, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28749621/ten-year-outcome-of-different-treatment-modalities-for-squamous-cell-carcinoma-of-oral-cavity
#15
Imjai Chitapanarux, Patrinee Traisathit, Nicha Komolmalai, Sompol Chuachamsai, Pichit Sittitrai, Tienchai Pattarasakulchai, Rak Tananuwat, Donyarat Boonlert, Patumrat Sripan, Anak Iamaroon
Objective: This study reports outcomes of squamous cell carcinoma of oral cavity (SCCOC) patients with different treatment modalities. Materials and Methods: We evaluated the treatment outcomes of 775 newly diagnosed SCCOC patients treated in our hospital between 2001 and 2010. Outcome data were obtained from the medical records. Survival rates were estimated by the Kaplan-Meyer method. Cox-proportional-hazard regression models were used to compare the risk of death among all risk factors. Results: The patients were divided into group 1) surgery ± adjuvant radiotherapy (RT) (n = 323) or group 2) RT ± chemotherapy (CT) for curative intent (n = 315) or group 3) RT/CT for palliative intent (n = 137)...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28749282/oronasal-squamous-cell-carcinomas-in-fran%C3%A3-ois-langurs-trachypithecus-francoisi
#16
John A Flanders, Michelle E Thompson, Mitzi J Palazzolo, Michael M Garner, Matthew Reed, Donna M Ialeggio, Matti Kiupel, William H Westra, Kathryn C Gamble
Squamous cell carcinomas (SCCs) are common oronasal tumors in nonhuman primates. In this study, 11 cases of oronasal SCC in François' langurs ( Trachypithecus francoisi ) are described. Five initial cases were discovered on review of the North American François' langur studbook, with a potential familial pattern observed. The studbook was used to identify related individuals, and records were requested for review. Six additional cases were documented, and samples from all cases were submitted for microscopic review, as well as polymerase chain reaction (PCR), immunohistochemistry (IHC), and in situ hybridization (ISH), for generic papillomaviruses and PCR for herpesviruses because either virus may cause SCC in humans and other nonhuman primates...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28743201/pharyngotomy-in-head-and-neck-squamous-cell-carcinoma-functional-and-oncological-aspects
#17
Carolin Remmert, Naglaa Mansour, Benedikt Hofauer, Elias Q Scherer, Murat Bas, Henning Bier, Andreas Knopf
BACKGROUND: Head and Neck Surgery constantly has to oppose non-invasive organ preservation methods and therefore should be evaluated especially with regard to clinical and functional outcome. We will discuss the role of pharyngotomy in the treatment of HNSCC. METHODS: Seventy-three patients with carcinoma of the oral cavity, oro-/hypopharynx and supraglottis underwent lateral/median pharyngotomy. Functional and oncological parameters were retrospectively assessed and set into clinical context...
July 25, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28741409/foxp3-expression-in-lymph-node-metastases-in-patients-with-head-and-neck-cancer
#18
Mehtap Boduc, Marion Roessler, Robert Mandic, Christoph Netzer, Christian Güldner, Ute Walliczek-Dworschak, Boris A Stuck, Magis Mandapathil
INTRODUCTION: The prevalence and activity of regulatory T cells in patients with cancer correlates with poor prognosis. These cells are characterized by their expression of Forkhead box protein-3 (Foxp3). Squamous cell carcinoma is the most prevalent type of cancer in the head and neck region with overall poor survival rates, also due to early spread of metastatic cells. MATERIAL AND METHODS: Primary tumor specimens as well as lymph node specimens harvested during neck dissection of 65 patients with a diagnosis of HNSCC were subjected to immunohistochemical and H-score analysis of Foxp3 expression...
July 25, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28738294/oral-mucosa-dose-parameters-predicting-grade-%C3%A2-3-acute-toxicity-in-locally-advanced-nasopharyngeal-carcinoma-patients-treated-with-concurrent-intensity-modulated-radiation-therapy-and-chemotherapy-an-independent-validation-study-comparing-oral-cavity-versus
#19
Kaixin Li, Ling Yang, Qiang-Ying Hu, Xiao-Zhong Chen, Ming Chen, Yuanyuan Chen
PURPOSE: To determine whether volumes based on the contours of the mucosal surface instead of the oral cavity can be used to predict grade ≥3 acute oral mucosa toxicity in patients with locally advanced nasopharyngeal carcinoma (LANPC) treated with concurrent intensity-modulated radiation therapy (IMRT) and chemotherapy. METHODS AND MATERIALS: A standardized method for the oral cavity (oral cavity contours, OCC) and a novel method for the mucosal surface (mucosal surface contours, MSC) were developed for the oral mucosa and prospectively applied to the radiation treatment plans of 92 patients treated with concurrent IMRT and chemotherapy for LANPC...
July 21, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28736959/in-vivo-raman-spectroscopy-assisted-early-identification-of-potential-second-primary-recurrences-in-oral-cancers-an-exploratory-study
#20
Akshat Malik, Aditi Sahu, S P Singh, Atul Deshmukh, Pankaj Chaturvedi, Deepa Nair, Sudhir Nair, C Murali Krishna
BACKGROUND: Higher rates of local recurrences and second primaries, ascribable to field cancerization, are known problem in oral cancers. The present study explored utility of identification of potential recurrences by Raman spectroscopy, which has been shown to identify oral precancers, cancers, and field cancerization in humans and micro-sized mechanical irritation-induced tumors in animals. METHODS: Raman spectra were acquired from tumor and contralateral normal mucosa in 99 patients with oral cancer who were then followed up for appearance of clinically apparent cancerous lesions...
July 24, 2017: Head & Neck
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