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Shalaby R, Ibrahim S, Kotb AAW, Baz S, Hafed L, Shaker O, Afifi S. MALAT1 as a potential salivary biomarker in oral squamous cell carcinoma through targeting miRNA-124. Oral Dis 2024; 30:2075-2083. [PMID: 37703315 DOI: 10.1111/odi.14730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 08/07/2023] [Accepted: 08/18/2023] [Indexed: 09/15/2023]
Abstract
OBJECTIVES To determine the diagnostic accuracy of the long non-coding RNA "MALAT1" measured in the saliva of patients with oral squamous cell carcinoma (OSCC) and assess the salivary expression of microRNA-124, which MALAT1 targets. SUBJECTS AND METHODS Forty subjects were collected in a consecutive pattern and allocated into two groups. Group A included 20 patients with OSCC, while Group B included 20 healthy subjects. Salivary expression of MALAT1 and microRNA (miRNA)-124 was evaluated in the two study groups using quantitative real-time polymerase chain reaction and correlated with histopathological examination of OSCC subjects. RESULTS OSCC yielded a statistically significant higher expression of MALAT1 than healthy controls and a lower expression of miRNA-124 in OSCC than controls. There is a statistically significant inverse relationship between salivary MALAT1 and miRNA-124. Moreover, there is a statistically significant difference in the MALAT1 expression in saliva samples from metastatic cases compared with non-metastatic cases, as well as in patients with lymph node involvement compared with those without involvement. At a cut-off value of 2.24, salivary MALAT1 exhibited 95% sensitivity and 90% specificity in differentiating OSCC from healthy subjects. CONCLUSION Salivary MALAT1 acts as a sponge for miRNA-124 and could be a potential salivary biomarker for OSCC.
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Affiliation(s)
- Rania Shalaby
- Oral Medicine, Oral Diagnosis and Periodontology, Faculty of Dentistry, Fayoum University, Fayoum, Egypt
| | - Sally Ibrahim
- Oral and Maxillofacial Pathology, Faculty of Dentistry, Fayoum University, Fayoum, Egypt
| | - Ali A W Kotb
- Oral and Maxillofacial Pathology, Faculty of Dentistry, Cairo University, Giza, Egypt
| | - Safaa Baz
- Oral Pathology, Faculty of Dentistry, The British University in Egypt, El Shorouk City, Egypt
| | - Layla Hafed
- Oral and Maxillofacial Pathology, Al-Mamoon Diagnostic Medical Center, Sana'a, Yemen
| | - Olfat Shaker
- Medical Biochemistry and Molecular Biology, Faculty of Medicine, Cairo University, Giza, Egypt
| | - Salsabeel Afifi
- Oral Medicine, Oral Diagnosis and Periodontology, Faculty of Dentistry, Fayoum University, Fayoum, Egypt
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2
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Keinänen A, Uittamo J, Snäll J. Do we recognize oral cancer? Primary professional delay in diagnosis of oral squamous cell carcinoma. Clin Oral Investig 2024; 28:131. [PMID: 38308109 DOI: 10.1007/s00784-024-05515-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 01/16/2024] [Indexed: 02/04/2024]
Abstract
OBJECTIVES The occurrence and causes of primary professional delay in diagnosis of oral squamous cell carcinoma (OSCC) were examined. MATERIALS AND METHODS Factors related to initial diagnosis or malignancy suspicion were evaluated in patients with primary OSCC. The outcome variable was primary professional delay for missed suspicion of malignancy or wrong diagnosis or delayed referral. The primary predictor variable was active care-seeking. Secondary predictor variables were patients' symptoms and clinical findings. RESULTS Primary professional delay was found in 9.5% of the 528 patients included. Professional delay was 6.6 times more likely to occur in patients actively seeking care than in those whose tumor was an incidental finding (95% CI 1.58-27.58, p = 0.010). Pain (OR = 2.0, 95% CI 1.07-3.87, p = 0.031), ulceration (OR = 2.3, 95% CI 1.29-4.19, p = 0.005), denture fit problem (OR = 3.1, 95% CI 1.25-7.56, p = 0.014), and unhealed tooth extraction socket (OR = 29.6, 95% CI 8.89-98.71, p < 0.001) were significant predictors for primary professional delay. CONCLUSIONS OSCC patients seek care actively. Primary professional delay affects the care of every tenth OSCC patient. CLINICAL RELEVANCE The role of health care professionals is essential for early OSCC diagnosis, especially in urgent care. Clinicians' knowledge of the typical symptoms and findings of OSCC should be improved.
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Affiliation(s)
- Arvi Keinänen
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, P.O. Box 220, 00029, HUS, Helsinki, Finland.
| | - Johanna Uittamo
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, P.O. Box 220, 00029, HUS, Helsinki, Finland
| | - Johanna Snäll
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, P.O. Box 220, 00029, HUS, Helsinki, Finland
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Kowalski LP. Eugene Nicholas Myers' Lecture on Head and Neck Cancer, 2020: The Surgeon as a Prognostic Factor in Head and Neck Cancer Patients Undergoing Surgery. Int Arch Otorhinolaryngol 2023; 27:e536-e546. [PMID: 37564472 PMCID: PMC10411134 DOI: 10.1055/s-0043-1761170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 09/26/2022] [Indexed: 08/12/2023] Open
Abstract
This paper is a transcript of the 29 th Eugene N. Myers, MD International Lecture on Head and Neck Cancer presented at the American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS) in 2020. By the end of the 19 th century, the survival rate in treated patients was 10%. With the improvements in surgical techniques, currently, about two thirds of patients survive for > 5 years. Teamwork and progress in surgical reconstruction have led to advancements in ablative surgery; the associated adjuvant treatments have further improved the prognosis in the last 30 years. However, prospective trials are lacking; most of the accumulated knowledge is based on retrospective series and some real-world data analyses. Current knowledge on prognostic factors plays a central role in an efficient treatment decision-making process. Although the influence of most tumor- and patient-related prognostic factors in head and neck cancer cannot be changed by medical interventions, some environmental factors-including treatment, decision-making, and quality-can be modified. Ideally, treatment strategy decisions should be taken in dedicated multidisciplinary team meetings. However, evidence suggests that surgeons and hospital volume and specialization play major roles in patient survival after initial or salvage head and neck cancer treatment. The metrics of surgical quality assurance (surgical margins and nodal yield) in neck dissection have a significant impact on survival in head and neck cancer patients and can be influenced by the surgeon's expertise. Strategies proposed to improve surgical quality include continuous performance measurement, feedback, and dissemination of best practice measures.
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Affiliation(s)
- Luiz P. Kowalski
- Head and Neck Surgery Department, Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
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Su CW, Su WWY, Chen SLS, Chen THH, Hsu TH, Chen MK, Yen AMF. The Effectiveness of Population Mass Screening to Oral Cancer: A Simulation Study. Technol Cancer Res Treat 2022; 21:15330338221147771. [PMID: 36567633 PMCID: PMC9806397 DOI: 10.1177/15330338221147771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Background: Mass screening of high-risk populations for oral cancer has proven to be effective in reducing oral cancer mortality. However, the magnitude of the effectiveness of the various screening scenarios has rarely been addressed. Methods: We developed a simulation algorithm for a prospective cohort under various oral cancer screening scenarios. A hypothetical cohort of 8 million participants aged ≥30 years with cigaret smoking and/or betel quid chewing habits was constructed based on parameters extracted from studies on oral cancer screening. The results of a population-based screening program in Taiwan and a randomized controlled trial in India were used to validate the fitness; then, the effectiveness of the model was determined by changing the screening parameters. Results: There was a reduction in the risk of advanced oral cancer by 40% (relative risk [RR] = 0.60, 95% confidence interval [CI]:0.59-0.62) and oral cancer mortality by 29% (RR = 0.71, 95% CI: 0.69-0.73) at the 6-year follow-up in a screening scenario similar to the biennial screening in Taiwan, with a 55.1% attendance rate and 92.6% referral rate. The incremental effect in reducing advanced oral cancer was approximately 5% with a short 1-year screening frequency, and the corresponding reduction in mortality was, on average, 6.5%. The incremental reduction in advanced oral cancer per 10% increase in the compliance rate was 3% to 4%, while only 1% to 2% reduction was noted per 10% increase in the referral rate. The effectiveness of screening in reducing advanced oral cancer was 5% to 6% less when both betel quid chewing and alcohol drinking habits were present. Conclusion: Our computer simulation model demonstrated the effect of screening on the reduction in oral cancer mortality under various scenarios. The results provide screening policymakers with the necessary guidance to implement screening programs to save lives.
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Affiliation(s)
- Chiu-Wen Su
- National Taiwan University
Hospital, Taipei, Taiwan
| | - William Wang-Yu Su
- Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City,
Taiwan,School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Sam Li-Sheng Chen
- School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Tony Hsiu-Hsi Chen
- Institute of Epidemiology and Preventive
Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Tsui-Hsia Hsu
- Health Promotion Administration, Ministry of Health and
Welfare, Taipei, Taiwan
| | | | - Amy Ming-Fang Yen
- School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan,Institute of Epidemiology and Preventive
Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan,Amy Ming-Fang Yen, School of Oral Hygiene,
College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.
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5
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Wang F, Wen J, Cao S, Yang X, Yang Z, Li H, Meng H, Thieringer FM, Wei J. Nomogram predicting long-term overall and cancer-specific survival of patients with buccal mucosa cancer. BMC Oral Health 2022; 22:138. [PMID: 35459139 PMCID: PMC9026892 DOI: 10.1186/s12903-022-02147-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 03/25/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Few models about the personalized prognosis evaluation of buccal mucosa cancer (BMC) patients were reported. We aimed to establish predictive models to forecast the prognosis of BMC patients. METHODS The complete clinicopathological information of BMC patients from the surveillance, epidemiology and end results program was collected and reviewed retrospectively. Two nomograms were established and validated to predict long-term overall survival (OS) and cancer-specific survival (CSS) of BMC patients based on multivariate Cox regression survival analysis. RESULTS 1155 patients were included. 693 and 462 patients were distributed into modeling and validation groups with 6:4 split-ratio via a random split-sample method. Based on the survival analysis, independent prognostic risk factors (variables that can be used to estimate disease recovery and relapse chance) influencing OS and CSS were obtained to establish nomograms. Then, we divided the modeling group into high- and low-risk cohorts. The low-risk cohort had improved OS and CSS compared to the high-risk cohort, which was statistically significant after the Log-rank test (p < 0.05). Furthermore, we used the concordance index (C-index), calibration curve to validate the nomograms, showing high accuracy. The decision curve analyses (DCA) revealed that the nomograms had evident clinical value. CONCLUSIONS We constructed two credible nomogram models, which would give the surgeons reference to provide an individualized assessment of BMC patients.
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Affiliation(s)
- Fengze Wang
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China.,MIRACLE Smart Implants Group, Department of Biomedical Engineering, University of Basel, Allschwil, Switzerland.,Medical Additive Manufacturing Research Group, Department of Biomedical Engineering, University of Basel, Allschwil, Switzerland
| | - Jiao Wen
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Anesthesiology, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Shuaishuai Cao
- Department of Stomatology, Shenzhen University General Hospital and Shenzhen University Clinical Medical Academy, Shenzhen University, Shenzhen, China
| | - Xinjie Yang
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Zihui Yang
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Huan Li
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Haifeng Meng
- Department of Stomatology, Binzhou People's Hospital, Binzhou, China
| | - Florian M Thieringer
- MIRACLE Smart Implants Group, Department of Biomedical Engineering, University of Basel, Allschwil, Switzerland. .,Medical Additive Manufacturing Research Group, Department of Biomedical Engineering, University of Basel, Allschwil, Switzerland. .,Clinic of Oral and Cranio-Maxillofacial Surgery, University Hospital Basel, Basel, Switzerland.
| | - Jianhua Wei
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China.
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6
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Pai K, Baaklini C, Cabrera CI, Tamaki A, Fowler N, Maronian N. The Utility of Comorbidity Indices in Assessing Head and Neck Surgery Outcomes: A Systematic Review. Laryngoscope 2021; 132:1388-1402. [PMID: 34661923 DOI: 10.1002/lary.29905] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 09/29/2021] [Accepted: 10/06/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE To evaluate the utility of comorbidity index (CI) scores in predicting outcomes in head and neck surgery (HNS). The CIs evaluated were the Charlson Comorbidity Index (CCI), Elixhauser Comorbidity Index (ECI), Kaplan-Feinstein Index (KFI), American Society of Anesthesiologists Physical Status (ASA-PS), Adult Comorbidity Evaluation-27 (ACE-27), National Cancer Institute Comorbidity Index (NCI-CI), and the Washington University Head and Neck Comorbidity Index (WUHNCI). METHODS We report a systematic review according to the 2009 Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Electronic databases (PubMed, Cochrane, and Embase) and manual search of bibliographies identified manuscripts addressing how CI scores related to HNS outcomes. RESULTS A total of 116 studies associated CI scores with HNS outcomes. CIs were represented in the literature as follows: ASA-PS (70/116), CCI (39/116), ACE-27 (24/116), KFI (7/116), NCI-CI (3/116), ECI (2/116), and WUHNCI (1/116). The most frequently cited justification for calculating each CI (if provided) was: CCI for its validation in other studies, ACE-27 for its utility in cancer patients, and ECI for its comprehensive design. In general, the CCI and ACE-27 were predictive of mortality in HNS. The ECI was most consistent in predicting >1-year mortality. The ACE-27 and KFI were most consistent in predicting medical complications. CONCLUSION Despite inconsistencies in the literature, CIs provide insights into the impact of comorbidities on outcomes in HNS. These scores should be employed as an adjunct in the preoperative assessment of HNS patients. Comparative studies are needed to identify indices that are most reliable in predicting HNS outcomes. LEVEL OF EVIDENCE NA Laryngoscope, 2021.
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Affiliation(s)
- Kavya Pai
- University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, U.S.A
| | - Carla Baaklini
- Northeast Ohio Medical University, Rootstown, Ohio, U.S.A
| | - Claudia I Cabrera
- Department of Otolaryngology-Head and Neck Surgery, University Hospitals Case Medical Center, Cleveland, Ohio, U.S.A.,Case Western Reserve University School of Medicine, Cleveland, Ohio, U.S.A
| | - Akina Tamaki
- Department of Otolaryngology-Head and Neck Surgery, University Hospitals Case Medical Center, Cleveland, Ohio, U.S.A.,Case Western Reserve University School of Medicine, Cleveland, Ohio, U.S.A
| | - Nicole Fowler
- Department of Otolaryngology-Head and Neck Surgery, University Hospitals Case Medical Center, Cleveland, Ohio, U.S.A.,Case Western Reserve University School of Medicine, Cleveland, Ohio, U.S.A
| | - Nicole Maronian
- Department of Otolaryngology-Head and Neck Surgery, University Hospitals Case Medical Center, Cleveland, Ohio, U.S.A.,Case Western Reserve University School of Medicine, Cleveland, Ohio, U.S.A
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7
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Lee DS, Ramirez RJ, Lee JJ, Valenzuela CV, Zevallos JP, Mazul AL, Puram SV, Doering MM, Pipkorn P, Jackson RS. Survival of Young Versus Old Patients With Oral Cavity Squamous Cell Carcinoma: A Meta-Analysis. Laryngoscope 2021; 131:1310-1319. [PMID: 33264444 PMCID: PMC8106620 DOI: 10.1002/lary.29260] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 10/26/2020] [Accepted: 10/29/2020] [Indexed: 01/03/2023]
Abstract
OBJECTIVE/HYPOTHESIS To assess whether young patients with oral cavity squamous cell carcinoma (OCSCC) demonstrate worse oncologic outcomes than older patients after definitive therapy. STUDY DESIGN Systematic review and meta-analysis. METHODS A medical librarian composed a search strategy to identify relevant studies in Medline, Embase, Scopus, and other major databases (Prospero registration number CRD42019127974). Inclusion criteria were adults with histologically diagnosed OCSCC that underwent treatment, comparator groups with an age cutoff of 40 years old, and reported survival outcomes. Articles were excluded if they contained patients with oropharyngeal squamous cell carcinoma or patients treated for palliative intent. Overall survival hazard ratios were analyzed with a meta-analysis. RESULTS There were 23,382 patients with OCSCC that were treated with definitive therapy from 22 included studies. The pooled cohort contained 2,238 (10%) patients ≤40 years of age. Oral tongue was the most common subsite in both the younger (n = 1,961, 91%) and older (n = 18,047, 88%) cohorts. The majority of OCSCCs were either T1 or T2, representing 859 (80%) malignancies in younger patients and 8,126 (77%) malignancies in older patients. A meta-analysis of nine studies demonstrated that younger patients did not experience worse survival outcomes than older patients (hazard ratio = 0.97, 95% confidence interval = 0.66-1.41). CONCLUSIONS Young adults with OCSCC experienced similar oncologic outcomes as older patients with OCSCC after definitive treatment. Until compelling evidence demonstrates clinically relevant differences between these two cohorts, their approach to management should be similar. Future studies should consider comorbidities and using age 40 as a standard age cutoff to provide more uniform data moving forward. Laryngoscope, 131:1310-1319, 2021.
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Affiliation(s)
- David S. Lee
- Department of Otolaryngology- Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Ricardo J. Ramirez
- Department of Otolaryngology- Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Jake J. Lee
- Department of Otolaryngology- Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Carla V. Valenzuela
- Department of Otolaryngology- Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Jose P. Zevallos
- Department of Otolaryngology- Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Angela L. Mazul
- Department of Otolaryngology- Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Surgery, Division of Public Health Sciences, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Sidharth V. Puram
- Department of Otolaryngology- Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Genetics, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Michelle M. Doering
- Bernard Becker Medical Library, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Patrik Pipkorn
- Department of Otolaryngology- Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Ryan S. Jackson
- Department of Otolaryngology- Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
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Shin YJ, Vu H, Lee JH, Kim HD. Diagnostic and prognostic ability of salivary MMP-9 for oral squamous cell carcinoma: A pre-/post-surgery case and matched control study. PLoS One 2021; 16:e0248167. [PMID: 33735248 PMCID: PMC7971541 DOI: 10.1371/journal.pone.0248167] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 02/20/2021] [Indexed: 01/04/2023] Open
Abstract
Over 90% of oral cancers are oral squamous cell carcinoma (OSCC). Hitherto, early detection marker for OSCC has not been available. Hence, this study aimed to evaluate the diagnostic and prognostic ability of salivary matrix-metalloproteinase-9 (MMP-9) and 8-hydroxydeoxyguanosine (8-OHdG) for OSCC. Total of 318 participants with 106 cases and 212 controls were included: OSCC cases were from Seoul National University Dental Hospital and age, sex, and smoking matched controls were from Yangpyeong cohort. Unstimulated saliva was collected to determine MMP-9 and 8-OHdG using sensitive enzyme-linked immunosorbent assay. Multivariable linear regression and analysis of covariance (ANCOVA) were applied to evaluate the adjusted association of markers with OSCC. Wilcoxon sign rank sum test and Friedman test for median were applied to evaluate follow-up level of MMP-9 after surgery. Receiver operating characteristic curve was obtained for diagnostic ability. Salivary MMP-9 was associated with OSCC (ANCOVA and multivariable linear regression, p<0.05), while 8-OHdG was not. The diagnostic ability of MMP-9 was area under curve of 0.96 (100% specificity and 89.6% sensitivity, p<0.001). MMP-9 decreased dramatically after tumor surgery (p<0.05). Salivary MMP-9 could be a critical diagnostic and prognostic marker for OSCC.
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Affiliation(s)
- Yoo-Jin Shin
- Department of Preventive and Social Dentistry, School of Dentistry, Seoul National University, Seoul, Korea
- Oral Cancer Center and Department of Oral and Maxillofacial Surgery, Seoul National University Dental Hospital, Seoul, Korea
| | - Huong Vu
- Department of Preventive and Social Dentistry, School of Dentistry, Seoul National University, Seoul, Korea
| | - Jong-Ho Lee
- Oral Cancer Center and Department of Oral and Maxillofacial Surgery, Seoul National University Dental Hospital, Seoul, Korea
- Dental Research Institute, Seoul National University, Seoul, Korea
| | - Hyun-Duck Kim
- Department of Preventive and Social Dentistry, School of Dentistry, Seoul National University, Seoul, Korea
- Dental Research Institute, Seoul National University, Seoul, Korea
- * E-mail:
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9
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Course of Self-Reported Dysphagia, Voice Impairment and Pain in Head and Neck Cancer Survivors. BIOLOGY 2021; 10:biology10020144. [PMID: 33670412 PMCID: PMC7918686 DOI: 10.3390/biology10020144] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/28/2021] [Accepted: 02/09/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND Head and neck cancer (HNC)-specific symptoms have a substantial impact on health-related quality of life. The aim of this study was to determine whether self-reported dysphagia, voice problems and pain of HNC patients changed over time and whether specific clinical or sociodemographic variables were associated with these symptoms. METHODS HNC patients (n = 299) in an outpatient setting answered questionnaires (Eating Assessment Tool-10; questions from the EORTC QLQ-C30 and EORTC H&N35) on dysphagia, voice problems and pain, collected with the software "OncoFunction" at three different timepoints (t1-t3) after diagnosis. The mean score changes from t1 to t3 were expressed in terms of effect sizes d. The impact of sociodemographic and clinical factors on the course of the variables was tested with multivariate analyses of variance. RESULTS Dysphagia, voice impairment and pain in HNC survivors significantly improved over a period of approximately 14 months after diagnosis. Tumor site, stage, treatment modality, occupational state and ECOG state were significantly correlated with self-reported functional outcome. The pain level of the HNC patients was rather low. CONCLUSIONS Patients suffer from functional impairments after HNC treatment, but an improvement in self-reported symptoms could be demonstrated within this time period.
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Bobdey S, Sathwara J, Jain A, Saoba S, Balasubramaniam G. Squamous cell carcinoma of buccal mucosa: An analysis of prognostic factors. South Asian J Cancer 2020; 7:49-54. [PMID: 29600236 PMCID: PMC5865098 DOI: 10.4103/sajc.sajc_317_16] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Introduction: Carcinoma of the buccal mucosa is the most common oral cavity cancer in the Indian subcontinent. The aim of this study was to analyze the outcome and evaluate prognostic factors in surgically treated buccal mucosa squamous cell carcinoma (BMSCC) patients. Materials and Methods: A retrospective study was performed by reviewing the medical records of 409 pathologically proven buccal mucosa cancer patients, who were diagnosed and surgically treated in Tata Memorial Hospital between January 1, 2006, and December 31, 2008. Results: The overall 5-year survival of the cohort was found to be 54.1%. The stage-wise survival rate for tumor, node, metastasis (TNM) Stage I, II, III, and IV patients was found to be 85.2%, 82.9%, 56.3%, and 42.6% (P < 0.00), respectively. On multivariate Cox proportional hazard analysis, the presence of comorbidity, histological tumor size, pathological lymph node status, tumor differentiation, perineural invasion, and extracapsular spread were found to be independently associated with overall survival. Conclusion: BMSCC is an aggressive malignant tumor. In addition to TNM classification, other clinical and pathological factors also have a significant role in BMSCC prognostication. Hence, there is a need to move beyond TNM and develop a more inclusive, flexible, and easy to use prognostic system.
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Affiliation(s)
- Saurabh Bobdey
- Department of Medical Records, Biostatistics and Epidemiology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Jignasa Sathwara
- Department of Medical Records, Biostatistics and Epidemiology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Aanchal Jain
- Department of Medical Records, Biostatistics and Epidemiology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Sushma Saoba
- Department of Medical Records, Biostatistics and Epidemiology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Ganesh Balasubramaniam
- Department of Medical Records, Biostatistics and Epidemiology, Tata Memorial Hospital, Mumbai, Maharashtra, India
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Yin Y, Tan Y, Yao Y, Lu N, Zhang F. SNHG12/miR-326/E2F1 feedback loop facilitates the progression of oral squamous cell carcinoma. Oral Dis 2020; 26:1631-1639. [PMID: 32506729 DOI: 10.1111/odi.13458] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 05/06/2020] [Accepted: 05/27/2020] [Indexed: 12/15/2022]
Abstract
Oral squamous cell carcinoma (OSCC) is a kind of common malignant tumor worldwide. An increasing number of researches have validated that long non-coding RNAs (lncRNAs) are closely associated with the occurrence and development of multiple diseases, including cancers. However, the role of lncRNA SNHG12 in OSCC was largely unknown. In present study, qRT-PCR manifested the upregulation of SNHG12 expression in OSCC tissues and cells. Suppression of SNHG12 inhibited cell proliferation, migration, invasion, and EMT process in OSCC. Additionally, SNHG12 depletion also attenuated OSCC tumor growth in vivo. Thereafter, E2F1 was found to be a transcription factor of SNHG12 to stimulate its expression. More interestingly, SNHG12 deficiency reduced E2F1 expression in turn. MiR-326 was found to be shared between SNHG12 and E2F1. Besides, SNHG12 augmented E2F1 in OSCC through miR-326 sequestration. Finally, rescue assays demonstrated that overexpressed E2F1 restored the inhibitory effect resulted from SNHG12 silence, indicating that SNHG12 promoted the progression of OSCC by E2F1-dependent way. This research unveiled that SNHG12/miR-326/E2F1 feedback loop facilitated OSCC progression, which shed new light on therapeutic methods in OSCC.
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Affiliation(s)
- Yue Yin
- Department of Stomatology, North China University of Science and Technology Affiliated Hospital, Tangshan, China
| | - Yingyun Tan
- Stomatological Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China.,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Yuan Yao
- Department of Stomatology, North China University of Science and Technology Affiliated Hospital, Tangshan, China
| | - Na Lu
- Department of Stomatology, North China University of Science and Technology Affiliated Hospital, Tangshan, China
| | - Fugui Zhang
- Stomatological Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China.,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
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12
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Dhar H, Vaish R, D'Cruz AK. Management of locally advanced oral cancers. Oral Oncol 2020; 105:104662. [PMID: 32278110 DOI: 10.1016/j.oraloncology.2020.104662] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 03/21/2020] [Accepted: 03/23/2020] [Indexed: 12/11/2022]
Abstract
Despite easy access to clinical examination majority of oral cancer patients ironically present with locally advanced disease, which is a heterogeneous group that includes all stage III/IV tumours in absence of distant metastasis. The AJCC TNM classification has included all tumours with depth of invasion >1 cm into locally advanced group irrespective of their surface dimensions. Surgery followed by adjuvant therapy provides best results and should be offered to all patients when operable. There have been a slew of recent publications popularising the concept of compartmental excision in variance to traditional resection with adequate margins. The role of chemotherapy has been explored in this group of patients for both organ preservation as well as to aid bioselection of suitable patients with borderline operable tumours for surgery.
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Affiliation(s)
- Harsh Dhar
- Consultant Head Neck Surgeon, Dept. of Head Neck Surgery, Narayana Superspeciality Hospital, Howrah 711103, West Bengal, India
| | - Richa Vaish
- Dept. of Head Neck Surgery, Tata Memorial Hospital, Mumbai 400012, Maharashtra, India; Homi Bhabha National Institute (HBNI), Mumbai, India.
| | - Anil K D'Cruz
- Director Oncology - Apollo Hospitals, Apollo Hospital, Navi Mumbai 400614, India; Head Neck Services Tata Memorial Hospital Mumbai, Maharashtra, India
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13
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Sproll CK, Holtmann H, Schorn LK, Jansen TM, Reifenberger J, Boeck I, Rana M, Kübler NR, Lommen J. Mandible handling in the surgical treatment of oral squamous cell carcinoma: lessons from clinical results after marginal and segmental mandibulectomy. Oral Surg Oral Med Oral Pathol Oral Radiol 2019; 129:556-564. [PMID: 32102765 DOI: 10.1016/j.oooo.2019.11.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 11/14/2019] [Accepted: 11/21/2019] [Indexed: 01/25/2023]
Abstract
OBJECTIVE The aim of this retrospective, single-center study was to analyze long-term results after marginal and segmental mandibulectomies in patients with oral squamous cell carcinoma (OSCC). STUDY DESIGN The study included 259 patients treated for OSCC with mandibulectomy between 1996 and 2010. Data acquisition consisted of analysis of operation reports, re-evaluation of histologic bone specimens, and collection of clinical follow-up data. RESULTS Of the included patients, 86.5% had received segmental and 13.5% marginal mandibulectomies. Patients who received segmental mandibulectomy generally displayed a higher TNM (tumor-node-metastasis) stage; 47% of patients who received segmental mandibulectomy and 14% of those receiving marginal mandibulectomy showed bone infiltration (pT4 a). Of all patients with bone infiltration, 49% showed an invasive histologic infiltration pattern, and 35% showed an erosive histologic infiltration pattern. We found healthy residual crestal bone height in 43% of all segmental mandibulectomies. Only 8% of all patients were prosthodontically rehabilitated. With regard to prognostic parameters, there was no significant difference between patients receiving marginal mandibulectomy and those receiving segmental mandibulectomy. CONCLUSIONS Because healthy residual crestal bone height was found in 43% of all patients who had received segmental mandibulectomies, it is conceivable that a significant number of patients would profit from marginal mandibulectomy, at least in cases of absent or erosive bone infiltration pattern, because the residual crestal bone is functionally stable.
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Affiliation(s)
- Christoph K Sproll
- Department of Oral and Maxillofacial Surgery, Heinrich-Heine-University, Düsseldorf, Germany
| | - Henrik Holtmann
- Department of Oral and Maxillofacial Surgery, Malteser Clinic St. Johannes, Duisburg, Germany.
| | - Lara K Schorn
- Department of Oral and Maxillofacial Surgery, Heinrich-Heine-University, Düsseldorf, Germany
| | - Theresa M Jansen
- Department of Dermatology, Heinrich-Heine-University, Düsseldorf, Germany
| | - Julia Reifenberger
- Department of Dermatology, Heinrich-Heine-University, Düsseldorf, Germany
| | - Inga Boeck
- Institute for Pathology, Cytology and Molecular Pathology GbR, Wetzlar, Germany
| | - Majeed Rana
- Department of Oral and Maxillofacial Surgery, Heinrich-Heine-University, Düsseldorf, Germany
| | - Norbert R Kübler
- Department of Oral and Maxillofacial Surgery, Heinrich-Heine-University, Düsseldorf, Germany
| | - Julian Lommen
- Department of Oral and Maxillofacial Surgery, Heinrich-Heine-University, Düsseldorf, Germany
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14
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Pipkorn P, Licata J, Kallogjeri D, Piccirillo JF. Association of Symptoms and Clinical Findings With Anticipated Outcomes in Patients With Recurrent Head and Neck Cancer. JAMA Otolaryngol Head Neck Surg 2019; 144:738-745. [PMID: 30003215 DOI: 10.1001/jamaoto.2018.1230] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Importance Despite advances in treatment over the last decades, recurrent head and neck cancer continues to have a poor prognosis. Prognostic accuracy may help in patient counseling. Objective To explore whether symptoms and clinical variables can predict prognosis in the setting of recurrent head and neck cancer. Design, Setting, and Participants In this retrospective cohort study, patients treated for head and neck cancer with curative intent at Siteman Cancer Center in St Louis, Missouri (a tertiary cancer center) between January 1, 2007, and December 31, 2014, were reviewed. The dates of data analysis were October 2016 to June 2017. Patients who developed a recurrent cancer were included, with 196 patients meeting inclusion criteria. Main Outcomes and Measures Symptoms and clinical findings at presentation of recurrence were recorded. Sequential sequestration and conjunctive consolidation (2 multivariable techniques) were used to create a composite staging system to predict 1-year overall survival (OS). Results Among 196 patients (mean [SD] age, 61 [11] years; 166 [84.7%] of white race/ethnicity; 76.5% male), 1-year OS was 58.2% (114 of 196 patients). Time to recurrence, symptom severity stage, and rTNM stage were consolidated into a 3-category Clinical Severity Staging System, with 1-year OS rates of 90.2% (95% CI, 82.7%-97.6%) for the 61 patients classified as A, 58.1% (95% CI, 47.7%-68.6%) for the 86 patients classified as B, and 18.4% (95% CI, 7.5%-29.2%) for the 49 patients classified as C. The discriminative power of the new composite staging was better than that of the American Joint Committee on Cancer classification (C = 0.79 vs C = 0.66). Conclusions and Relevance These findings suggest that clinical variables are associated with anticipated outcomes in patients with recurrent head and neck cancer.
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Affiliation(s)
- Patrik Pipkorn
- Department of Otolaryngology-Head & Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri
| | - Jordan Licata
- Department of Otolaryngology-Head & Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri
| | - Dorina Kallogjeri
- Department of Otolaryngology-Head & Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri
| | - Jay F Piccirillo
- Department of Otolaryngology-Head & Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri.,Editor
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15
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Zhao R, Jia T, Qiao B, Liang J, Qu S, Zhu L, Feng H, Xing L, Ren Y, Wang F, Zhang H. Nomogram predicting long-term overall survival and cancer-specific survival of lip carcinoma patients based on the SEER database: A retrospective case-control study. Medicine (Baltimore) 2019; 98:e16727. [PMID: 31415366 PMCID: PMC6831112 DOI: 10.1097/md.0000000000016727] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Our study was designed to construct nomograms to predict the overall survival (OS) and cancer-specific survival (CSS) of lip carcinoma patients.A search of the Surveillance, Epidemiology, and End Results (SEER) database provided us with detailed clinical data of the 1780 lip carcinoma patients. On the basis of the credible random split-sample method, the 1780 patients were placed into 2 groups, with 890 patients in the modeling group and 890 patients in the counterpart's group (proportion = 1:1). By employing Kaplan-Meier univariate and Cox multivariate survival analyses based on the modeling cohort, the nomograms were developed and then used to divide the modeling cohort into low-risk cohort and high-risk cohort. The survival rates of the 2 groups were calculated. Internal and external evaluation of nomogram accuracy was performed by the concordance index (C-index) and calibration curves.With regard to 5- and 8-year OS and CSS, the C-indexes of internal validation were 0.762 and 0.787, whereas those of external validation reached 0.772 and 0.818, respectively. All the C-indexes were higher than 0.7. The survival curves of the low-risk cohort were obviously better than those of the high-risk cohort.Credible nomograms have been established based on the SEER large-sample population research. We believe these nomograms can contribute to the design of treatment plans and evaluations of individual prognosis.
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Affiliation(s)
- Rui Zhao
- Oral and Maxillofacial Surgery Department, The Chinese PLA General Hospital
| | - Tingting Jia
- Oral and Maxillofacial Surgery Department, The Chinese PLA General Hospital
| | - Bo Qiao
- Oral and Maxillofacial Surgery Department, The Chinese PLA General Hospital
| | - Jiawu Liang
- Oral and Maxillofacial Surgery Department, The Chinese PLA General Hospital
| | - Shuang Qu
- Oral and Maxillofacial Surgery Department, The Chinese PLA General Hospital
| | - Liang Zhu
- Oral and Maxillofacial Surgery Department, The Chinese PLA General Hospital
| | - Hang Feng
- Oral and Maxillofacial Surgery Department, The Chinese PLA General Hospital
| | - Lejun Xing
- Oral and Maxillofacial Surgery Department, The Chinese PLA General Hospital
| | - Yipeng Ren
- Oral and Maxillofacial Surgery Department, The Chinese PLA General Hospital
| | - Fengze Wang
- Department of Stomatology, The 316th Hospital of Chinese People's Liberation Army, Xiangshan Road, Haidian District, Beijing, China
| | - Haizhong Zhang
- Oral and Maxillofacial Surgery Department, The Chinese PLA General Hospital
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16
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Gvetadze SR, Xiong P, Nadtochiy AG, Vozgoment OB, Ilkaev KD, Didbaridze DA, Sun J. [Capabilities of contrast-enhanced ultrasound for preoperative assessment of regional lymphatic basin in patients with early oral cavity squamous cell cancer]. STOMATOLOGII︠A︡ 2019; 98:123-129. [PMID: 31322608 DOI: 10.17116/stomat201998031123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This review paper describes the possibilities of visualization of regional lymph nodes using contrast-enhanced ultrasound. Discussed is the experience of contrast-enhanced ultrasound implication for differential diagnosis of regional metastases of squamous cell carcinoma of the oral mucosa. The basics of the technique of contrast-enhanced ultrasound examination of the neck lymphatic basin are described.
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Affiliation(s)
- Sh R Gvetadze
- Central Research Institute of Dentistry and Maxillofacial Surgery, Ministry of health of Russia, Moscow, Russia; Department of oral and maxillofacial surgery, Russia, Russian Medical Academy of Continuous Professional Education at the Ministry of Health of Russia, Moscow, Russia
| | - P Xiong
- Department of Ultrasound, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - A G Nadtochiy
- Central Research Institute of Dentistry and Maxillofacial Surgery, Ministry of health of Russia, Moscow, Russia
| | - O B Vozgoment
- Central Research Institute of Dentistry and Maxillofacial Surgery, Ministry of health of Russia, Moscow, Russia; Department of radiologic diagnosis of childhood age, Moscow, Russia
| | - K D Ilkaev
- Central Research Institute of Dentistry and Maxillofacial Surgery, Ministry of health of Russia, Moscow, Russia; N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia, Moscow, Russia
| | - D A Didbaridze
- Central Research Institute of Dentistry and Maxillofacial Surgery, Ministry of health of Russia, Moscow, Russia
| | - J Sun
- Central Research Institute of Dentistry and Maxillofacial Surgery, Ministry of health of Russia, Moscow, Russia; Department of Oral Maxillofacial - Head Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai, China
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17
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Cheng YJ, Tsai MH, Chiang CJ, Tsai ST, Liu TW, Lou PJ, Liao CT, Lin JC, Chang JTC, Tsai MH, Chu PY, Leu YS, Tsai KY, Terng SD, Chien CY, Yang MH, Hao SP, Wang CC, Tsai MH, Chen HHW, Kuo C, Wu YH. Adjuvant radiotherapy after curative surgery for oral cavity squamous cell carcinoma and treatment effect of timing and duration on outcome-A Taiwan Cancer Registry national database analysis. Cancer Med 2018; 7:3073-3083. [PMID: 29905028 PMCID: PMC6051157 DOI: 10.1002/cam4.1611] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 05/16/2018] [Accepted: 05/21/2018] [Indexed: 11/05/2022] Open
Abstract
Conduct an accurate risk assessment of resected oral cavity squamous cell carcinoma (OSCC) patients by accessing a nationwide systemic investigation is pivotal to improve treatment outcomes. In this article, we tried to determine the impact of different prognostic factors for OSCC patients who received adjuvant radiotherapy (RT) after curative surgery, using Taiwan's national cancer registry database (TCR). A nationwide, large population‐based study was conducted using TCR with patients identified from 2007 to 2015. The study variables included age, gender, cancer subsites, stage, histology grade, margin and extra‐nodal extension (ENE) status, treatment type, surgery to RT interval (ORI), total RT treatment time (RTT), and RT dose. Univariate and multivariate analysis were performed to identify predictors of the variables associated with overall survival (OS), cause‐specific survival (CSS), local‐regional relapse‐free survival (LRFS), and distant metastasis‐free survival (DMFS). 8986 OSCC patients treated with surgery and adjuvant RT were analyzed. In multivariate analysis, worse outcomes were associated with males, older age, subsite in the oral tongue, advanced stage, higher histologic grade, involved margin, and positive ENE. ORI only showed an adverse trend in LRFS, when exceeding 7 weeks (P = .06). RTT >8 weeks was a significant poor predictor in OS, CSS and LRFS (P < .001). Extreme RT dose (>70 Gy or ≤50 Gy) also demonstrated an adverse impact on the outcomes. Prolonged RT treatment time and extreme RT doses were identified as significantly poor prognostic predictors in OSCC patients who received adjuvant RT after curative surgery.
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Affiliation(s)
- Yung-Jen Cheng
- Department of Radiation Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Mu-Hung Tsai
- Department of Radiation Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chun-Ju Chiang
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan.,Taiwan Cancer Registry, Taipei, Taiwan
| | - Sen-Tien Tsai
- Department of Radiation Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Otolaryngology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Tsang-Wu Liu
- National Institute of Cancer Research, National Health Research Institutes, Taipei, Taiwan
| | - Pei-Jen Lou
- Department of Otolaryngology, National Taiwan University Hospital and College of Medicine, Taipei, Taiwan
| | - Chun-Ta Liao
- Department of Otorhinolaryngology, Head and Neck Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - Jin-Ching Lin
- Department of Radiation Oncology, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Joseph Tung-Chieh Chang
- Department of Radiation Oncology, Head and Neck Oncology Group, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - Ming-Hsui Tsai
- Department of Otorhinolaryngology, Head and Neck Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Pen-Yuan Chu
- Department of Otolaryngology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yi-Shing Leu
- Department of Otolaryngology, Mackay Memorial Hospital, Taipei, Taiwan
| | - Kuo-Yang Tsai
- Department of Oral and Maxillofacial Surgery, Head and Neck Surgery, Changhua Christian Hospital, Changhua, Taiwan
| | - Shyuang-Der Terng
- Department of Head and Neck Surgery, Koo Foundation Sun Yat-Sen Cancer Center, Taipei, Taiwan
| | - Chih-Yen Chien
- Department of Otolaryngology, Chang Gung Memorial Hospital - Kaohsiung Medical Center, Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - Muh-Hwa Yang
- Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Sheng-Po Hao
- Department of Otolaryngology Head and Neck Surgery, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Chuan-Cheng Wang
- Division of Medical Oncology in the Hematology-Oncology, Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan
| | - Ming-Hsun Tsai
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan.,Taiwan Cancer Registry, Taipei, Taiwan
| | - Helen H W Chen
- Department of Radiation Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chin Kuo
- Department of Radiation Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yuan-Hua Wu
- Department of Radiation Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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18
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Correlation of human papillomavirus infection and clinical parameters with five-year survival in oral squamous cell carcinoma. The Journal of Laryngology & Otology 2018; 132:628-635. [PMID: 29888686 DOI: 10.1017/s0022215118000361] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVE This study associated Human Papillomavirus (HPV) infection and other clinical parameters with five-year survival of oral squamous cell carcinoma patients at a tertiary care hospital in Karachi, Pakistan. METHODS A total of 140 patients diagnosed with oral squamous cell carcinoma were enlisted. HPV status and subtypes were established through polymerase chain reaction performed in a previously published study. Clinical data including five-year survival were obtained through institutional medical records. RESULTS Ninety-five patients (67.9 per cent) were positive for HPV. Of these, 85 patients were HPV 16 positive while 2 patients were HPV 18 positive. The mean survival time for HPV positive patients was 44.3 months, whereas survival time for HPV negative patients was 46.9 months. Univariate analysis showed that HPV status in oral squamous cell carcinoma was not a statistically significant factor in determining five-year survival rate (p = 0.386). CONCLUSION There is a high prevalence of HPV positive oral squamous cell carcinoma in Pakistan; however, there is no difference in the five-year survival rate when compared to HPV negative oral squamous cell carcinoma.
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19
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Douglas C, Ingarfield K, McMahon A, Savage S, Conway D, MacKenzie K. Presenting symptoms and long-term survival in head and neck cancer. Clin Otolaryngol 2018; 43:795-804. [DOI: 10.1111/coa.13053] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2017] [Indexed: 12/01/2022]
Affiliation(s)
- C.M. Douglas
- Department of Otolaryngology - Head and Neck Surgery; Queen Elizabeth University Hospital; Glasgow UK
| | - K. Ingarfield
- Community Oral Health Department; Dental School; University of Glasgow; Glasgow UK
| | - A.D. McMahon
- Community Oral Health Department; Dental School; University of Glasgow; Glasgow UK
| | | | - D.I. Conway
- Community Oral Health Department; Dental School; University of Glasgow; Glasgow UK
| | - K. MacKenzie
- Department of Otolaryngology - Head and Neck Surgery; Glasgow Royal Infirmary; Glasgow UK
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20
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Guo Y, Ma Y, Hu X, Song R, Zhu L, Zhong M. Long non-coding RNA CEBPA-AS1 correlates with poor prognosis and promotes tumorigenesis via CEBPA/Bcl2 in oral squamous cell carcinoma. Cancer Biol Ther 2018; 19:205-213. [PMID: 29281558 DOI: 10.1080/15384047.2017.1416276] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) is one of the most aggressive and lethal malignancies affecting the head and neck region with a general 5-year survival rate about 50%. Long non-coding RNAs (lncRNAs) are believed to participate in diverse biological processes and are emerging as convenient and minimally invasive diagnostic/prognostic/therapeutic markers. The aim of this study was to explore CEBPA-AS1 role and mechanism in OSCC tumorigenesis. In this study, CEBPA-AS1 localized in the cytoplasm and the peri-nuclear cellular compartment functioning as a potential oncogene up-regulated in OSCC was correlated with poor differentiation, lymph node metastasis and high clinical stage, which made it considered to be a prognostic biomarker. Silence of CEBPA-AS1 inhibited OSCC cells proliferation and induced cells apoptosis, migration and invasion by targeting CEBPA and via a novel pathway CEBPA/Bcl2. Our findings provided the first evidence for the lncRNA CEBPA-AS1 regulatory network in OSCC tumorigenesis, which might be helpful to improve the effects of clinical treatment in OSCC.
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Affiliation(s)
- Yan Guo
- a Department of Central Laboratory , School of Stomatology, China Medical University , Shenyang , Liaoning , China.,b Key laboratory of Oral Disease Liaoning Province , Shenyang , Liaoning , China.,c Department of Oral Biology , School of Stomatology, China Medical University , Shenyang , Liaoning , China
| | - Yuji Ma
- a Department of Central Laboratory , School of Stomatology, China Medical University , Shenyang , Liaoning , China.,b Key laboratory of Oral Disease Liaoning Province , Shenyang , Liaoning , China.,c Department of Oral Biology , School of Stomatology, China Medical University , Shenyang , Liaoning , China
| | - Xuanhao Hu
- d Department of Neurobiology , China Medical University , Shenyang , Liaoning , China
| | - Rongbo Song
- a Department of Central Laboratory , School of Stomatology, China Medical University , Shenyang , Liaoning , China.,b Key laboratory of Oral Disease Liaoning Province , Shenyang , Liaoning , China.,c Department of Oral Biology , School of Stomatology, China Medical University , Shenyang , Liaoning , China
| | - Li Zhu
- a Department of Central Laboratory , School of Stomatology, China Medical University , Shenyang , Liaoning , China.,b Key laboratory of Oral Disease Liaoning Province , Shenyang , Liaoning , China.,c Department of Oral Biology , School of Stomatology, China Medical University , Shenyang , Liaoning , China
| | - Ming Zhong
- a Department of Central Laboratory , School of Stomatology, China Medical University , Shenyang , Liaoning , China.,b Key laboratory of Oral Disease Liaoning Province , Shenyang , Liaoning , China
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21
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Backes C, Bier H, Knopf A. Therapeutic implications of tumor free margins in head and neck squamous cell carcinoma. Oncotarget 2017; 8:84320-84328. [PMID: 29137426 PMCID: PMC5663598 DOI: 10.18632/oncotarget.21035] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Accepted: 08/05/2017] [Indexed: 01/03/2023] Open
Abstract
OBJECTIVES The resection status is one of the most important prognostic factors for patients with head and neck squamous cell carcinoma (HNSCC) concerning overall survival (OS) and recurrence free interval (RFI). To assess whether therapy concepts changed depending on different resection margins and extracapsular extension, OS and RFI data were set into clinical context. METHODS All HNSCC patients who underwent head and neck surgery with/without adjuvant therapy (n=534) were selected over a ten-year period (2001-2011). Clinical parameters and survival data were collected retrospectively and histopathological analysis of tumor free margins and extracapsular extension were done. RESULTS Patients with microscopic in-sano resection showed mean OS/RFI of 95/96 months. OS/RFI decreased in microscopic non-in-sano and macroscopic non-in-sano (56/58 and 35/39 months) as well as in unclear resection margins (63/60 months). Patients with extracapsular extension, microscopic non-in-sano resection as well as patients with in-sano resection after follow up resection demonstrated therapy escalation by adjuvant (chemo-) radiation. CONCLUSIONS Insufficient surgical margins and extracapsular extension are main risks for a reduced overall and recurrence free survival. Although there is no measure to prevent positive extracapsular extension, clear margins at first pass protect patients from adjuvant therapy escalation.
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Affiliation(s)
- Clara Backes
- Otorhinolaryngology/Head and Neck Surgery, Klinikum rechts der Isar, Technische Universität München, 81675 München, Germany
| | - Henning Bier
- Otorhinolaryngology/Head and Neck Surgery, Klinikum rechts der Isar, Technische Universität München, 81675 München, Germany
| | - Andreas Knopf
- Otorhinolaryngology/Head and Neck Surgery, Klinikum rechts der Isar, Technische Universität München, 81675 München, Germany
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22
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Kim S, Kim JJ, Oh J, Park J, Park JY. Delirium characteristics and outcomes in medical and surgical lnpatients: A subgroup analysis. J Crit Care 2017; 43:156-162. [PMID: 28903083 DOI: 10.1016/j.jcrc.2017.08.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 07/20/2017] [Accepted: 08/05/2017] [Indexed: 01/06/2023]
Abstract
PURPOSE Persistent delirium can negatively affect patients, increase healthcare costs, and extend the length of hospital stays. This investigation was undertaken to explore associations between patient characteristics and delirium outcomes. MATERIALS AND METHODS Intensive care unit (ICU) and medical and surgical ward inpatients for whom psychiatric consultation was requested for delirium were included in this study. Delirium screening and ongoing assessments were conducted using the Confusion Assessment Method for ICU patients. RESULTS Postoperative delirium developing as a secondary complication following surgery was found to be of significantly longer duration and associated with greater length of hospitalization compared with postoperative delirium attributable to surgery and delirium in medical patients. Medical patients with delirium had lower delirium recovery rates at discharge compared with surgical patients. CONCLUSIONS The findings that patient type and timing of postoperative delirium are associated with differential delirium outcomes suggest that targeted screening and intervention approaches may be needed. Medical patients were more likely to be discharged before recovery from delirium compared with surgical patients. Differences in underlying chronic medical conditions may account for the observed differences in discharge condition between medical and surgical patients with delirium.
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Affiliation(s)
- Sungmin Kim
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, South Korea
| | - Jae-Jin Kim
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, South Korea; Department of Psychiatry, Gangnam Severance Hospital, Yonsei University Health System, Seoul, South Korea
| | - Jooyoung Oh
- Department of Biomedical Science and Engineering, Institute of Integrated Technology, Gwangju Institute of Science and Technology, Gwangju, South Korea
| | - Jaesub Park
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, South Korea; Department of Psychiatry, Gangnam Severance Hospital, Yonsei University Health System, Seoul, South Korea.
| | - Jin Young Park
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, South Korea; Department of Psychiatry, Gangnam Severance Hospital, Yonsei University Health System, Seoul, South Korea.
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Jin X, Xu H, Wu X, Li T, Li J, Zhou Y, Dan H, Jiang L, Zeng X, Ji P, Chen Q. KDM4A as a prognostic marker of oral squamous cell carcinoma: Evidence from tissue microarray studies in a multicenter cohort. Oncotarget 2017; 8:80348-80357. [PMID: 29113308 PMCID: PMC5655203 DOI: 10.18632/oncotarget.18302] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 04/07/2017] [Indexed: 02/05/2023] Open
Abstract
Purpose Previous studies have identified histone demethylase KDM4A to be a key epigenetic priming factor for the invasive squamous cell carcinoma growth and metastasis. The purpose of this study was to examine KDM4A as an independent prognostic marker in oral squamous cell carcinoma, using multicenter tissue microarrays. Results The expression of KDM4A was significantly correlated with lymph node metastasis and TNM stage. KDM4A overexpression was associated with poor overall survival, and it was found to be a statistically significant independent predictor of all-cause mortality. These findings are validated by external TCGA HNSCC data. Addition of KDM4A expression improved the discriminatory accuracy of standard clinicopathologic features for prediction of cancer-specific survival (Model 4, area under the curve = 0.740, 95% confidence interval = 0.685 to 0.795, and Model 3, AUC = 0.695, 95% CI = 0.637 to 0.753, respectively). Materials and Methods KDM4A expression was measured by immunohistochemistry, using tissue microarrays of OSCC samples collected from 313 patients. Kruskal-Wallis and chi-square tests were applied to investigate the correlation between KDM4A expression and clinicopathological factors. Overall survival analysis was performed using the Kaplan-Meier and multivariable logistic regression models, and the predictive ability of KDM4A in combination with known OSCC risk factors was evaluated. Receiver operating characteristic curves were used to assess discriminatory accuracy of these models. Additionally, disease-free survival was analyzed in patients with head and neck SCC reported on The Cancer Genome Atlas database. Conclusions KDM4A expression is an independent predictor for the survival time of patients with OSCC and may be a valuable consideration to postoperative treatment options.
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Affiliation(s)
- Xin Jin
- College of Stomatology, Chongqing Medical University, Chongqing, China.,State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hao Xu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xingyu Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Taiwen Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jing Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yu Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hongxia Dan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Lu Jiang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xin Zeng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ping Ji
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China.,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China.,College of Stomatology, Chongqing Medical University, Chongqing, China
| | - Qianming Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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24
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Two populations of TSPO binding sites in oral cancer SCC-15 cells. Exp Cell Res 2017; 350:279-283. [DOI: 10.1016/j.yexcr.2016.12.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 12/05/2016] [Accepted: 12/07/2016] [Indexed: 12/25/2022]
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25
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Chandra Gupta S, Nandan Tripathi Y. Potential of long non-coding RNAs in cancer patients: From biomarkers to therapeutic targets. Int J Cancer 2016; 140:1955-1967. [DOI: 10.1002/ijc.30546] [Citation(s) in RCA: 331] [Impact Index Per Article: 41.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 11/11/2016] [Accepted: 11/30/2016] [Indexed: 02/06/2023]
Affiliation(s)
- Subash Chandra Gupta
- Laboratory for Translational Cancer Research; Department of Biochemistry, Institute of Science, Banaras Hindu University; Varanasi 221 005 India
| | - Yashoda Nandan Tripathi
- Laboratory for Translational Cancer Research; Department of Biochemistry, Institute of Science, Banaras Hindu University; Varanasi 221 005 India
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26
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Jin X, Liu D, Zhao X, Zhou Y, Jiang L, Li J, Zeng X, Chen Q. Analysis of clinicopathological characteristics associated with the outcome of oral squamous cell carcinoma and the establishment of tissue microarrays. Oncol Lett 2016; 12:3175-3182. [PMID: 27899978 PMCID: PMC5103915 DOI: 10.3892/ol.2016.5120] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 08/12/2016] [Indexed: 02/05/2023] Open
Abstract
The aim of this study was to evaluate clinicopathological risk factors associated with the fatal outcome of oral squamous cell carcinoma (OSCC) in a large cohort of Chinese patients, and to construct tissue microarrays (TMAs) using this cohort. Univariate and multiple logistic regression analyses were performed to evaluate the predictors of poor prognosis in a cohort of 232 patients with OSCC, after which the patient tumor tissues were used to construct TMAs. Univariate logistic regression analysis indicated that a poor outcome of OSCC was associated with the male gender, a history of smoking, the tumor-node-metastasis stage and lymph node metastasis. Multiple logistic regression analysis demonstrated that an increased risk of mortality in patients with OSCC was significantly and independently associated with lymph node metastasis (odds ratio, 3.421; 95% confidence interval, 1.609-7.273). Therefore, the results of the present study suggested that lymph node metastasis is an independent risk factor associated with a poor prognosis of OSCC patients. TMAs of OSCC were successfully constructed, and are the first TMAs to be reported in mainland Chinese patients.
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Affiliation(s)
- Xin Jin
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China; College of Stomatology, Chongqing Medical University, Chongqing 400016, P.R. China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing 401147, P.R. China
| | - Dongjuan Liu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Xin Zhao
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yu Zhou
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Lu Jiang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Jing Li
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Xin Zeng
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Qianming Chen
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
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27
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Hartmann S, Grandis JR. Treatment of head and neck cancer in the elderly. Expert Opin Pharmacother 2016; 17:1903-21. [DOI: 10.1080/14656566.2016.1220540] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Bobdey S, Balasubramaniam G, Mishra P. Nomogram prediction for survival of patients with oral cavity squamous cell carcinoma. Head Neck 2016; 38:1826-1831. [DOI: 10.1002/hed.24507] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/22/2016] [Indexed: 11/09/2022] Open
Affiliation(s)
- Saurabh Bobdey
- Department of Medical Records; Biostatistics and Epidemiology, Tata Memorial Hospital; Mumbai India
| | - Ganesh Balasubramaniam
- Department of Medical Records; Biostatistics and Epidemiology, Tata Memorial Hospital; Mumbai India
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29
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Tumor Growth and Cell Proliferation Rate in Human Oral Cancer. Arch Med Res 2016; 47:271-4. [DOI: 10.1016/j.arcmed.2016.07.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 07/04/2016] [Indexed: 11/16/2022]
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30
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Brockmeyer P, Hemmerlein B, Kruppa J, Kauffmann P, Tröltzsch M, Schliephake H, Gruber RM. The time interval between primary surgery and adjuvant therapy determines prognosis of oral squamous cell carcinomas. Oral Oncol 2015; 51:e82-e85. [DOI: 10.1016/j.oraloncology.2015.08.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 08/28/2015] [Accepted: 08/30/2015] [Indexed: 11/28/2022]
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31
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Li-Ting C, Chung-Ho C, Yi-Hsin Y, Pei-Shan H. The development and validation of oral cancer staging using administrative health data. BMC Cancer 2014; 14:380. [PMID: 24884513 PMCID: PMC4049423 DOI: 10.1186/1471-2407-14-380] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Accepted: 05/15/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Oral cancer is a major global health problem. The complexity of histological prognosticators in oral cancer makes it difficult to compare the benefits of different treatment regimens. The Taiwanese National Health database provides an opportunity to assess correlations between outcome and treatment protocols and to compare the effects of different treatment regimens. However, the absence of indices of disease severity is a critical problem. The aim of this study was to ascertain how accurately we could assess the severity of oral cancer at the time of initial diagnosis on the basis of variables in a national database. METHODS In the cancer registry database of a medical center in Taiwan, we identified 1067 histologically confirmed cases of oral cancer (ICD9 codes 140, 141 and 143-145) that had been first diagnosed and subjected to initial treatment in this hospital. The clinical staging status was considered as the gold standard and we used concordance (C)-statistics to assess the model's predictive performance. We added the predictors of treatment modality, cancer subsite, and age group to our models. RESULTS Our final overall model included treatment regimen, site, age, and two interaction terms; namely, interactions between treatment regimen and age and those between treatment regimen, site, and age. In this model, the C-statistics were 0.82-0.84 in male subjects and 0.96-0.99 in female subjects. Of the models stratified by age, the model that considered treatment regimen and site had the highest C-statistics for the interaction term, this value being greater than 0.80 in male subjects and 0.9 in female subjects. CONCLUSION In this study, we found that adjusting for sex, age at first diagnosis, oral cancer subsite, and therapy regimen provided the best indicator of severity of oral cancer. Our findings provide a method for assessing cancer severity when information about staging is not available from a national health-related database.
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Affiliation(s)
| | | | | | - Ho Pei-Shan
- Faculty of Dental Hygiene, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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32
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Okuyemi OT, Piccirillo JF, Spitznagel E. TNM staging compared with a new clinicopathological model in predicting oral tongue squamous cell carcinoma survival. Head Neck 2014; 36:1481-9. [PMID: 23996811 DOI: 10.1002/hed.23486] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Revised: 06/21/2013] [Accepted: 08/23/2013] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND The purpose of this study was to investigate the prognostic impact of comorbidity and of demographic and pathological factors on oral tongue squamous cell carcinoma (SCC) survival, and to compare the prognostic performance of a new clinicopathological model against the routinely used TNM staging. METHODS We conducted a retrospective study of demographic, clinical, and pathological information of 166 patients with oral tongue SCC. Cox regression was used for multivariate analysis, model building, and model discriminatory analysis. RESULTS Comorbidity had the most significant impact on overall survival (OS; log-rank test, chi-square = 36.34; p < .0001). Comorbidity, tumor dimension >2 cm, and presence of extracapsular spread (ECS) or vascular invasion were independent predictors of survival. A clinicopathological model based on these 4 variables (chi-square = 60.23; p < .0001) was better (c-statistic = 0.736) at predicting survival compared to pathological TNM staging (c-statistic = 0.645). CONCLUSION Comorbidity combined with tumor dimension, ECS, and vascular invasion provide a better prediction of oral tongue SCC survival than TNM staging alone.
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Affiliation(s)
- Oluwafunmilola T Okuyemi
- Department of Otolaryngology - Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri
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Montero-Miranda PH, Ganly I. Survivorship--competing mortalities, morbidities, and second malignancies. Otolaryngol Clin North Am 2013; 46:681-710. [PMID: 23910478 DOI: 10.1016/j.otc.2013.04.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Mortality of head and neck cancer has declined in the United States over the past 20 years. This improvement has been linked to use of multimodality treatment of advanced disease. Despite this improvement, disease-specific survival remains low. Patients who survive head and neck cancer are exposed to morbidity and mortality secondary to the same factors as the general population. Factors related to cancer and cancer treatment predispose them to increased risk of mortality. Improvements in head and neck cancer treatment have led to a scenario where an increasing proportion of patients die from causes other than the primary cancer, called competing mortalities.
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Affiliation(s)
- Pablo H Montero-Miranda
- Head and Neck Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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TANG HAIKUO, WU ZHIYUAN, ZHANG JIANPING, SU BING. Salivary lncRNA as a potential marker for oral squamous cell carcinoma diagnosis. Mol Med Rep 2012; 7:761-6. [DOI: 10.3892/mmr.2012.1254] [Citation(s) in RCA: 150] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2012] [Accepted: 12/17/2012] [Indexed: 11/06/2022] Open
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Calabrese L, Ostuni A, Ansarin M, Giugliano G, Maffini F, Alterio D, Rocca MC, Petralia G, Bruschini R, Chiesa F. Future challenges in head and neck cancer: From the bench to the bedside? Crit Rev Oncol Hematol 2012; 84 Suppl 1:e90-6. [DOI: 10.1016/j.critrevonc.2010.11.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2010] [Revised: 10/29/2010] [Accepted: 11/03/2010] [Indexed: 01/23/2023] Open
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36
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Kim DD, Ord RA. Complications in the treatment of head and neck cancer. Oral Maxillofac Surg Clin North Am 2012; 15:213-27. [PMID: 18088676 DOI: 10.1016/s1042-3699(02)00100-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Dongsoo David Kim
- Department of Maxillofacial Oncology and Reconstructive Surgery, University of Maryland Medical System, Baltimore, MD 21201, USA
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37
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Ma CY, Ji T, OW A, Zhang CP, Sun J, Zhou XH, Wang LZ, Sun KD, Han W. Surgical Site Infection in Elderly Oral Cancer Patients: Is the Evaluation of Comorbid Conditions Helpful in the Identification of High-Risk Ones? J Oral Maxillofac Surg 2012; 70:2445-52. [DOI: 10.1016/j.joms.2011.10.019] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2011] [Revised: 10/11/2011] [Accepted: 10/11/2011] [Indexed: 11/30/2022]
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Logan HL, Tomar SL, Chang M, Turner GE, Mendenhall WM, Riggs CE. Selecting a comparison group for 5-year oral and pharyngeal cancer survivors: two methods. BMC Med Res Methodol 2012; 12:63. [PMID: 22551236 PMCID: PMC3466141 DOI: 10.1186/1471-2288-12-63] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Accepted: 04/16/2012] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND To assess potential long-term consequences of cancer treatment, studies that include comparison groups are needed. These comparison groups should be selected in a way that allows the subtle long-range effects of cancer therapy to be detected and distinguishes them from the effects of aging and other risk factors. The purpose of this investigation was to test two methods of recruiting a comparison group for 5-year oral and pharyngeal cancer survivors (peer-nominated and listed sample) with emphasis on feasibility and the quality of the match. METHODS Participants were drawn from a pool of 5-year survivors treated at a large Southeastern hospital. A peer-nominated sample was solicited from the survivors. A listed sample matched on sex, age, and zip code was purchased. Telephone interviews were conducted by a professional call center. RESULTS The following represent our key findings: The quality of matching between survivors and listed sample was better than that between survivors and peer-nominated group in age and sex. The quality of matching between the two methods on other key variables did not differ except for education, with the peer method providing a better match for the survivors than the listed sample. The yield for the listed sample method was greater than for the peer-nominated method. The cost per completed interview was greater for the peer-nominated method than the listed sample. CONCLUSION This study not only documents the methodological challenges in selecting a comparison group for studies examining the late effects of cancer treatment among older individuals but also documents challenges in matching groups that potentially have disproportionate levels of comorbidities and at-risk health behaviors.
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Affiliation(s)
- Henrietta L Logan
- Department of Community Dentistry and Behavioral Science, University of Florida, 1329 SW 16th Street Room 5174, Gainesville, FL 32610-3628, USA.
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Wei J, Xie G, Zhou Z, Shi P, Qiu Y, Zheng X, Chen T, Su M, Zhao A, Jia W. Salivary metabolite signatures of oral cancer and leukoplakia. Int J Cancer 2011; 129:2207-17. [PMID: 21190195 DOI: 10.1002/ijc.25881] [Citation(s) in RCA: 155] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2010] [Accepted: 12/08/2010] [Indexed: 12/25/2022]
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40
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A novel morbidity prediction model for head and neck oncosurgery. Indian J Surg 2010; 72:463-9. [PMID: 22131656 DOI: 10.1007/s12262-010-0161-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2009] [Accepted: 06/19/2010] [Indexed: 10/18/2022] Open
Abstract
The purpose of the study was to construct and validate a risk model to predict morbidity in head and neck oncosurgeries. Potential risk factors of 300 surgically treated head and neck cancer patients like age, sex, tumor site, TNM stage, duration of surgery, adjunctive treatment, comorbidities and alcohol and tobacco usage were analyzed. Postoperative complications were noted. We developed a logistic model to predict the probability of patients developing morbidity based on the statistically significant variables-duration of surgery, preoperative radiation and hypertension. The validity of the test was assessed by the c-index which were 0.79 (95% C.I 0.71-0.87) for the study set (250 patients) and 0.86(95% C.I 0.73-0.90) for the test set (50 patients). The correlation of observed to expected morbidity was 0.709 (P < 0.0001). We validated a risk model and constructed a simple chart that provides us an assessment of the risk of a patient of developing morbidity.
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Potash AE, Karnell LH, Christensen AJ, Vander Weg MW, Funk GF. Continued alcohol use in patients with head and neck cancer. Head Neck 2010; 32:905-12. [PMID: 19918984 DOI: 10.1002/hed.21281] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND The effect of posttreatment alcohol consumption on health-related quality of life (QOL) and factors predicting overall QOL and continued alcohol consumption were examined in patients with head and neck cancer. METHODS Self-reported alcohol use and abuse 1 year after diagnosis was analyzed. RESULTS Although current drinkers (44.5% of 283 patients) had better overall QOL and fewer depressive symptoms, current social drinkers had the best scores, whereas current problem drinkers had the worst. Female sex, fewer depressive symptoms, less pain, and better eating function predicted better QOL. Oral function was the only predictor of 12-month alcohol use. CONCLUSION Depression, pain, and eating function predicted overall QOL. Alcohol consumption was not associated with QOL, but was associated with better oral function, which in turn predicted better QOL. Alcohol consumption itself does not improve QOL in this population, and these patients should be counseled regarding detrimental effects of continued drinking after treatment.
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Affiliation(s)
- Andrea E Potash
- Department of Otolaryngology-Head and Neck Surgery, University of Iowa College of Medicine, Iowa City, Iowa, USA
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Paleri V, Wight RG, Silver CE, Haigentz M, Takes RP, Bradley PJ, Rinaldo A, Sanabria A, Bień S, Ferlito A. Comorbidity in head and neck cancer: A critical appraisal and recommendations for practice. Oral Oncol 2010; 46:712-9. [DOI: 10.1016/j.oraloncology.2010.07.008] [Citation(s) in RCA: 165] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Revised: 07/19/2010] [Accepted: 07/19/2010] [Indexed: 11/26/2022]
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Nagler R, Ben-Izhak O, Savulescu D, Krayzler E, Akrish S, Leschiner S, Otradnov I, Zeno S, Veenman L, Gavish M. Oral cancer, cigarette smoke and mitochondrial 18kDa translocator protein (TSPO) - In vitro, in vivo, salivary analysis. Biochim Biophys Acta Mol Basis Dis 2010; 1802:454-61. [PMID: 20085808 DOI: 10.1016/j.bbadis.2010.01.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2009] [Revised: 12/24/2009] [Accepted: 01/07/2010] [Indexed: 12/31/2022]
Abstract
Oral cancer features high rates of mortality and morbidity, and is in dire need for new approaches. In the present study we analyzed 18 kDa translocator protein (TSPO) expression in oral (tongue) cancer tumors by immunohistochemistry. We also assayed TSPO binding in human tongue cancer cell lines and in the cellular fraction of saliva from tongue cancer patients, heavy cigarette smokers, and non-smoking healthy people as controls. Concurrently, TSPO protein levels, cell viability, mitochondrial membrane potential (Deltapsi(m)), and general protein levels were analyzed. TSPO expression could be significantly enhanced in oral cancer tumors, compared to unaffected adjacent tissue. We also found that five-year survival probability dropped from 65% in patients with TSPO negative tumors to 7% in patients with highly expressed TSPO (p<0.001). TSPO binding capacity was also pronounced in the human oral cancer cell lines SCC-25 and SCC-15 (3133+/-643 fmol/mg protein and 6956+/-549 fmol/mg protein, respectively). Binding decreased by 56% and 72%, in the SCC-25 and SCC-15 cell lines, respectively (p<0.05) following CS exposure in cell culture. In the cellular fraction of saliva of heavy smokers TSPO binding was lower than in non-smokers (by 53%, p<0.05). Also the cellular fraction of saliva exposed to CS in vitro showed decreased TSPO binding compared to unexposed saliva (by 30%, p<0.001). Interestingly, oral cancer patients also displayed significantly lower TSPO binding in the cellular fraction of saliva compared to healthy controls (by 40%, p<0.01). Our results suggest that low TSPO binding found in the cellular fraction of saliva may depend on genetic background as well as result from exposure to CS. We suggest that this may be related to a predisposition for occurrence of oral cancer.
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Affiliation(s)
- Rafael Nagler
- Department of Oral and Maxillofacial Surgery and Laboratory of Oral Biochemistry, Rambam Medical Center and the Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, 31096, Israel.
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Oral tongue squamous cell carcinoma: recurrent disease is associated with histopathologic risk score and young age. J Cancer Res Clin Oncol 2010; 136:1039-48. [DOI: 10.1007/s00432-009-0749-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2009] [Accepted: 12/09/2009] [Indexed: 10/20/2022]
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Santaolalla F, Anta JA, Zabala A, Del Rey Sanchez A, Martinez A, Sanchez JM. Management of chylous fistula as a complication of neck dissection: a 10-year retrospective review. Eur J Cancer Care (Engl) 2009; 19:510-5. [PMID: 20030699 DOI: 10.1111/j.1365-2354.2009.01086.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Chylous fistula is a serious complication of neck surgery. The aim of this study was to analyse the incidence, treatment and evolution of chylous fistula in neck dissection. We conducted a retrospective study of 304 patients, 295 (97.03%) men and nine (2.97%) women. Ages ranged from 24 to 80 years (mean = 59.28 years, SD = 6.02) and they had all undergone neck dissection. Chylous fistula occurred in four cases (1.31%). Incidence was 1.83% in laryngeal cancer and 2.7% in oral cavity and oropharyngeal cancer. No statistically significant correlation was found between tumoral stage and fistula occurrence. Radiotherapy prior to surgery was a risk factor although the association was not statistically significant. The incidence rates for radical and functional neck dissection were 3.3% and 0.46%, respectively, statistically significant (P = 0.042). The fistulas were located on the left side in all cases. One of the four patients required surgical intervention and another one died. The occurrence of chylous fistula increased significantly the length of hospital stay (P = 0.01). Chylous fistulas appear on the left side, radiotherapy prior to surgery is a risk factor and there is not correlation with tumoral stage. Chylous fistulas are significantly more common in radical than in functional dissections and increase significantly the length of hospital stay.
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Affiliation(s)
- F Santaolalla
- Otorhinolaryngology Department, Basurto Hospital, School of Medicine, University of the Basque Country, Bilbao, Spain.
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Nagler RM. Saliva as a tool for oral cancer diagnosis and prognosis. Oral Oncol 2009; 45:1006-10. [DOI: 10.1016/j.oraloncology.2009.07.005] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2009] [Revised: 07/06/2009] [Accepted: 07/06/2009] [Indexed: 01/20/2023]
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Shpitzer T, Hamzany Y, Bahar G, Feinmesser R, Savulescu D, Borovoi I, Gavish M, Nagler RM. Salivary analysis of oral cancer biomarkers. Br J Cancer 2009; 101:1194-8. [PMID: 19789535 PMCID: PMC2768098 DOI: 10.1038/sj.bjc.6605290] [Citation(s) in RCA: 107] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Oral cancer is a common and lethal malignancy. Direct contact between saliva and the oral cancer lesion makes measurement of tumour markers in saliva an attractive alternative to serum testing. METHODS We tested 19 tongue cancer patients, measuring the levels of 8 salivary markers related to oxidative stress, DNA repair, carcinogenesis, metastasis and cellular proliferation and death. RESULTS Five markers increased in cancer patients by 39-246%: carbonyls, lactate dehydrogenase, metalloproteinase-9 (MMP-9), Ki67 and Cyclin D1 (CycD1) (P< or =0.01). Three markers decreased by 16-29%: 8-oxoguanine DNA glycosylase, phosphorylated-Src and mammary serine protease inhibitor (Maspin) (P< or =0.01). Increase in salivary carbonyls was profound (by 246%, P=0.012); alterations in CycD1 (87% increase, P=0.000006) and Maspin (29% decrease, P=0.007) were especially significant. Sensitivity values of these eight analysed markers ranged from 58% to 100%; specificity values ranged from 42% to 100%. Both values were especially high for the CycD1 and Maspin markers, 100% for each value of each marker. These were also high for carbonyls, 90% and 80%, respectively, and for MMP-9, 100% and 79%, respectively. CONCLUSION The significance of each salivary alteration is discussed. As all alterations correlated with each other, they may belong to a single carcinogenetic network. Cancer-related changes in salivary tumour markers may be used as a diagnostic tool for diagnosis, prognosis and post-operative monitoring.
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Affiliation(s)
- T Shpitzer
- Department of Otorhinolaryngology, Rabin Medical Center, Petah Tiqva and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Ben-Izhak O, Cohen-Kaplan V, Nagler RM. The prognostic role of phospho-Src family kinase analysis in tongue cancer. J Cancer Res Clin Oncol 2009; 136:27-34. [DOI: 10.1007/s00432-009-0633-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2008] [Accepted: 04/21/2009] [Indexed: 01/16/2023]
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Kos M, Łuczak K, Brusco D, Engelke W. Impact of tumour characteristic and treatment modality on the local recurrence and the survival in patients with oral squamous cell carcinoma. Otolaryngol Pol 2009; 62:722-6. [PMID: 19205519 DOI: 10.1016/s0030-6657(08)70347-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
PURPOSE OF THE STUDY To evaluate the impact of tumour location, local and regional advancement, histological differentiation, status of the surgical margins and radiotherapy on the disease-free time and overall survival rates in patients with oral squamous cell carcinoma. MATERIAL AND METHODS A retrospective analysis of 67 patients treated with surgery (61 pts.), radiotherapy (6 pts.) and their combination (28 pts.). Follow time on average 40 months. The probabilities of survival were assessed using the Kaplan-Meier estimates, the differences were calculated with the log-rank test. An analysis of the influence of the neck recurrences on the prognosis was additionally performed. Relationship between independent categorical variables as: primary local advancement, location of the tumour, histological grading and lymph node metastases was evaluated with Fisher's Exact Test. RESULTS Disease-free time rate amounted to 40.1%. There was no independent prognostic importance of primary location, T-staging and N-staging, histological grading of the tumour or radiation on disease-free time, just opposite to the status of the resection margins. However, the number of neck metastases was directly proportional to the tumour dimension and poor histological differentiation. Overall survival rate amounted to 87,5%. Posterior location in the oral cavity, involvement of cervical lymph nodes, surgical margins with the presence of tumour cells, poor histological differentiation and necessity of irradiation negatively correlated with the survival. CONCLUSIONS A complete resection of the tumour was the most important independent prognostic parameter for the disease-free and overall survivals in oral squamous cell carcinomas in this study. An adjuvant radiation therapy could improve the results of treatment of oral squamous cell carcinoma also in cases were so far considered only for surgical management.
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Affiliation(s)
- Marcin Kos
- Department of Maxillofacial Surgery, Klinikum Minden Hans-Nolte-Strasse 1, 32 427 Minden, Germany.
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