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Zabin Alotaibi K, Hameed Kolarkodi S. Effectiveness of adjunctive screening tools for potentially malignant oral disorders and oral cancer: A systematic review. Saudi Dent J 2024; 36:28-37. [PMID: 38375389 PMCID: PMC10874794 DOI: 10.1016/j.sdentj.2023.10.011] [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] [Received: 08/28/2023] [Revised: 10/12/2023] [Accepted: 10/16/2023] [Indexed: 02/21/2024] Open
Abstract
Background and objectives To enhance the abilities of healthcare professionals to make informed treatment decisions and establish accurate diagnoses, it is essential to assess the diagnostic reliability of different adjunctive aids. This systematic review aimed to compare the accuracy of various adjunctive methods for diagnosing suspected oral cancer (OC) or potentially malignant oral disorders (OPMD) in adults against histopathological investigative results. Materials and methods The review protocol registered in the PROSPERO database (CRD42023463525) was developed in strict accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis-Diagnostic Test Accuracy checklist. A comprehensive electronic search was conducted to identify relevant research articles published between January 2014 and April 2023 using the PubMed and EBSCO databases. The research question was meticulously structured following the participants' index test, reference standard, target condition, and study setting framework. To evaluate methodological quality and assess the risk of bias (RoB), the Quality Assessment for Diagnostic Accuracy Studies-2 tool was used. Results An initial search yielded 483 publications, which were reduced to 278 after removal of duplicates. Finally, 85 publications underwent full-text review by two investigators, which lead to 29 studies that met the inclusion criteria. Among these, 7% had a low RoB, 72% had an unclear RoB, and 21% had a high RoB. Applicability concerns were expressed in 59% of the studies with low concern, 31% with unclear quality evidence of concern, and 10% with high concern. Conclusion The review findings support the use of these diagnostic methods as valuable adjuncts to biopsy for the early detection of various OPMD and OC. They also highlight the importance of regular screening and awareness in reducing the global burden of OC, while acknowledging that they cannot replace the gold standards of surgical biopsy and histopathological evaluation.
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Affiliation(s)
- Khalid Zabin Alotaibi
- Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Qassim University, Al-Qassim, Saudi Arabia
| | - Shaul Hameed Kolarkodi
- Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Qassim University, Al-Qassim, Saudi Arabia
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Su ZZ, Tan YQ, Zhou G. Multiple noninvasive auxiliary tests-assisted photodynamic therapy in actinic cheilitis: A case report. Photodiagnosis Photodyn Ther 2023; 44:103832. [PMID: 37806606 DOI: 10.1016/j.pdpdt.2023.103832] [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: 07/19/2023] [Revised: 09/09/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023]
Abstract
Actinic cheilitis (AC) is recognized as the most common precursor lesion of squamous cell carcinoma (SCC) of the lip, with a higher risk of invasiveness and metastasis. Early accurate diagnosis and appropriate therapy are essential to prevent carcinogenesis and progression of AC. Topical 5-aminolevulinic acid-mediated photodynamic therapy (ALA-PDT), a non-surgical and minimally invasive modality, has been proposed as an effective treatment for oral potentially malignant diseases (OPMDs) and oral cancers. Herein, we report a 64-year-old female patient with AC on the lower lip who received 3 sessions of ALA-PDT with an interval of 1 week. Multiple noninvasive auxiliary tests including autofluorescence imaging, toluidine blue staining, and aneuploidy with DNA image cytometry (DNA-ICM) using brushing from screening through diagnosis, treatment, and follow-up. The patient successfully showed a complete response with no adverse effects and no evidence of recurrence at the 20-month follow-up. Noninvasive auxiliary tests assisted PDT is attractive and well-tolerated and may have synergistic effects against AC.
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Affiliation(s)
- Zhui-Zi Su
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, China
| | - Ya-Qin Tan
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, China; Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
| | - Gang Zhou
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, China; Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
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Winton Kalluvelil SR, Narayanan VS. Acetic acid versus toluidine blue as screening tools for oral potentially malignant disorders. Indian J Cancer 2023; 60:427-431. [PMID: 36861696 DOI: 10.4103/ijc.ijc_42_21] [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] [Indexed: 03/03/2023]
Abstract
Background Diagnostic adjuncts such as toluidine blue have been investigated as screening tools that improve visual examination of potentially malignant disorders (PMD) and oral cancer. Acetic acid has been reported to be of value in the early detection of cervical cancers. This study assessed the utility of 5% acetic acid as a diagnostic adjunct in oral PMD and compared the accuracy of acetic acid with toluidine blue in the detection of dysplastic PMD and high-risk lesions. Materials and Methods This cross-sectional study was conducted at a dental hospital in a rural setting. Thirty-one patients with oral PMD formed the study group. Five percent acetic acid was applied to the lesions, followed by toluidine blue application and biopsy. Sensitivity, specificity, and positive and negative predictive values were computed considering true positives as stain uptake in dysplastic and high-risk PMD. Results The sensitivity, specificity, and positive and negative predictive values of acetic acid for identifying dysplastic or malignant lesions were 100%, 13.3%, 51.2%, and 100%, respectively, and that for toluidine blue were 75%, 100%, 100%, and 78.9%, respectively. The corresponding values for identifying high-risk PMD (lesions with moderate and severe dysplasia) using acetic acid were 100%, 9.1%, 25.9%, and 100%, respectively, and for toluidine blue were 85.7%, 81.8%, 60%, and 94.7%, respectively. Conclusion The utility of acetic acid in detecting dysplasia and high-risk PMD is severely limited due to its poor specificity. Compared with acetic acid, toluidine blue is a superior screening tool.
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Affiliation(s)
- San Rose Winton Kalluvelil
- Department of Oral Medicine and Radiology, Coorg Institute of Dental Sciences, Virajpet, Karnataka, India
| | - Veena S Narayanan
- Department of Oral Medicine and Radiology, Coorg Institute of Dental Sciences, Virajpet, Karnataka, India
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Mendonca P, Sunny SP, Mohan U, Birur N P, Suresh A, Kuriakose MA. Non-invasive imaging of oral potentially malignant and malignant lesions: A systematic review and meta-analysis. Oral Oncol 2022; 130:105877. [PMID: 35617750 DOI: 10.1016/j.oraloncology.2022.105877] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/09/2022] [Accepted: 04/18/2022] [Indexed: 12/19/2022]
Abstract
Non-invasive (NI) imaging techniques have been developed to overcome the limitations of invasive biopsy procedures, which is the gold standard in diagnosis of oral dysplasia and Oral Squamous Cell Carcinoma (OSCC). This systematic review and meta- analysis was carried out with an aim to investigate the efficacy of the NI-imaging techniques in the detection of dysplastic oral potentially malignant disorders (OPMDs) and OSCC. Records concerned in the detection of OPMDs, Oral Cancer were identified through search in PubMed, Science direct, Cochrane Library electronic database (January 2000 to October 2020) and additional manual searches. Out of 529 articles evaluated for eligibility, 56 satisfied the pre-determined inclusion criteria, including 13 varying NI-imaging techniques. Meta-analysis consisted 44 articles, wherein majority of the studies reported Autofluorescence (AFI-38.6%) followed by Chemiluminescence (CHEM), Narrow Band Imaging (NBI) (CHEM, NBI-15.9%), Fluorescence Spectroscopy (FS), Diffuse Reflectance Spectroscopy (DRS), (FS, DRS-13.6%) and 5aminolevulinic acid induced protoporphyrin IX fluorescence (5ALA induced PPIX- 6.8%). Higher sensitivities (Sen) and specificities (Spe) were obtained using FS (Sen:74%, Spe:96%, SAUC=0.98), DRS (Sen:79%, Spe:86%, SAUC = 0.91) and 5 ALA induced PPIX (Sen:91%, Spe:78%, SAUC = 0.98) in the detection of dysplastic OPMDs from non-dysplastic lesions(NDLs). AFI, FS, DRS, NBI showed higher sensitivities and SAUC (>90%) in differentiating OSCC from NDLs. Analysed NI-imaging techniques suggests the higher accuracy levels in the diagnosis of OSCC when compared to dysplastic OPMDs. 5 ALA induced PPIX, DRS and FS showed evidence of superior accuracy levels in differentiation of dysplastic OPMDs from NDLs, however results need to be validated in a larger number of studies.
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Affiliation(s)
- Pramila Mendonca
- Department of Head and Neck Surgical Oncology, Mazumdar Shaw Medical Center, NH Health City, Bangalore 99, India; Integrated Head and Neck Oncology Program, Mazumdar Shaw Medical Foundation, Narayana Health City, Bangalore 99, India.
| | - Sumsum P Sunny
- Department of Head and Neck Surgical Oncology, Mazumdar Shaw Medical Center, NH Health City, Bangalore 99, India; Integrated Head and Neck Oncology Program, Mazumdar Shaw Medical Foundation, Narayana Health City, Bangalore 99, India; Manipal Academy of Higher Education, Manipal, Karnataka, India.
| | - Uma Mohan
- Department of Head and Neck Surgical Oncology, Mazumdar Shaw Medical Center, NH Health City, Bangalore 99, India; Integrated Head and Neck Oncology Program, Mazumdar Shaw Medical Foundation, Narayana Health City, Bangalore 99, India.
| | - Praveen Birur N
- KLE Society's Institute of Dental Sciences, #20, Yeshwanthpur Suburb, II Stage, Tumkur Road, Bangalore 22, India.
| | - Amritha Suresh
- Integrated Head and Neck Oncology Program, Mazumdar Shaw Medical Foundation, Narayana Health City, Bangalore 99, India; Manipal Academy of Higher Education, Manipal, Karnataka, India.
| | - Moni A Kuriakose
- Department of Head and Neck Surgical Oncology, Mazumdar Shaw Medical Center, NH Health City, Bangalore 99, India; Integrated Head and Neck Oncology Program, Mazumdar Shaw Medical Foundation, Narayana Health City, Bangalore 99, India.
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Abstract
Background. Head and neck squamous cell carcinoma are the sixth most common cancer in prevalence rate. Early diagnosis significantly reduces morbidity and mortality. Autofluorescence facilitates diagnosis the disease at the early stages, but it depends on the doctor’s skill in interpreting images. The aim of the study: to analyze the results of reading autofluorescence images of the oral mucosa by dentists.Materials and methods. The results of reading 10 autofluorescence images of potentially malignant diseases of the oral mucosa and 10 images of benign lesions and conditions were evaluated. The study involved 308 dentists. The assessment of the ability to recognize autofluorescence images was carried out with respect to gender, age, length of service, qualification category, academic degree, position of the head of the department.Results. On the average, dentists correctly differentiated the results of visualization of potentially malignant diseases of the oral mucosa in 3.85 ± 2.47 cases, benign lesions together with other benign conditions – in 4.56 ± 2.47 cases. Images of benign lesions and conditions were identified by dentists better than images of potentially malignant diseases of the oral mucosa (t = –17.0; p < 0.001). There is a direct correlation between the correct differentiation of visualization of potentially malignant diseases of the oral mucosa with the correct interpretation of benign lesions and conditions (r = 0.956; p < 0.001). The interpretation of potentially malignant diseases of the oral mucosa is not related to gender (t = –1.62; p = 0.306), work experience (r = –0.002; p = 0.977), department head (t = –0.11; p = 0.910), qualification category (t = –0.50; p = 0.574), academic degree (t = –0.34; p = 0.731).Conclusion. Dentists cannot recognize diseases of the oral mucosa well in autofluorescence images. The recognition skill is not related to general professional development.
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Band-Selection of a Portal LED-Induced Autofluorescence Multispectral Imager to Improve Oral Cancer Detection. SENSORS 2021; 21:s21093219. [PMID: 34066507 PMCID: PMC8125388 DOI: 10.3390/s21093219] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/01/2021] [Accepted: 05/01/2021] [Indexed: 11/26/2022]
Abstract
This aim of this study was to find effective spectral bands for the early detection of oral cancer. The spectral images in different bands were acquired using a self-made portable light-emitting diode (LED)-induced autofluorescence multispectral imager equipped with 365 and 405 nm excitation LEDs, emission filters with center wavelengths of 470, 505, 525, 532, 550, 595, 632, 635, and 695 nm, and a color image sensor. The spectral images of 218 healthy points in 62 healthy participants and 218 tumor points in 62 patients were collected in the ex vivo trials at China Medical University Hospital. These ex vivo trials were similar to in vivo because the spectral images of anatomical specimens were immediately acquired after the on-site tumor resection. The spectral images associated with red, blue, and green filters correlated with and without nine emission filters were quantized by four computing method, including summated intensity, the highest number of the intensity level, entropy, and fractional dimension. The combination of four computing methods, two excitation light sources with two intensities, and 30 spectral bands in three experiments formed 264 classifiers. The quantized data in each classifier was divided into two groups: one was the training group optimizing the threshold of the quantized data, and the other was validating group tested under this optimized threshold. The sensitivity, specificity, and accuracy of each classifier were derived from these tests. To identify the influential spectral bands based on the area under the region and the testing results, a single-layer network learning process was used. This was compared to conventional rules-based approaches to show its superior and faster performance. Consequently, four emission filters with the center wavelengths of 470, 505, 532, and 550 nm were selected by an AI-based method and verified using a rule-based approach. The sensitivities of six classifiers using these emission filters were more significant than 90%. The average sensitivity of these was about 96.15%, the average specificity was approximately 69.55%, and the average accuracy was about 82.85%.
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Efficacy of non-invasive diagnostic methods in the diagnosis and screening of oral cancer and precancer. Braz J Otorhinolaryngol 2021; 88:937-947. [PMID: 33642212 PMCID: PMC9615541 DOI: 10.1016/j.bjorl.2020.12.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 12/13/2020] [Accepted: 12/19/2020] [Indexed: 12/21/2022] Open
Abstract
INTRODUCTION Traditional meta-analyses on the diagnostic accuracy of oral lesions have been conducted, but they were inherently limited to direct pairwise comparisons between a single method and a single alternative, while multiple diagnostic options and the ranking thereof were methodologically not possible. OBJECTIVE To evaluate the diagnostic values of various methods in patients with oral potential malignant disease by performing a network meta-analysis. METHODS Two authors independently searched the databases (MEDLINE, SCOPUS, the Cochrane Register of Controlled Trials, and Google scholar) up to June 2020 for studies comparing the diagnostic accuracy of various tools (autofluorescence, chemiluminescence, cytology, narrow band imaging, and toluidine blue) with visual examination or other tools. The outcomes of interest for this analysis were sensitivity, specificity, negative predictive value, positive predictive value and accuracy. Both a standard pairwise meta-analysis and network meta-analysis were conducted. RESULTS Treatment networks consisting of six interventions were defined for the network meta-analysis. The results of traditional meta-analysis showed that, among six methods, narrow band imaging showed higher sensitivity, specificity, negative predictive value, positive predictive value, and accuracy compared to visual examination. The results of network meta-analysis showed that autofluorescence, chemiluminescence, and narrow band imaging had higher sensitivity compared with visual examination, and that chemiluminescence and narrow band imaging had higher negative predictive value compared with visual examination. However, autofluorescence and chemiluminescence had lower specificity compared with visual examination. There were no significant differences in positive predictive value and accuracy among the six interventions. CONCLUSION This study demonstrated that narrow banding imaging has superiority in terms of sensitivity and negative predictive value compared with the other five tested agents.
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Diagnostic accuracy of clinical visualization and light-based tests in precancerous and cancerous lesions of the oral cavity and oropharynx: a systematic review and meta-analysis. Clin Oral Investig 2021; 25:4145-4159. [PMID: 33392809 DOI: 10.1007/s00784-020-03746-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 12/15/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Evaluate and compare the performance of autofluorescence, chemiluminescence, and clinical visual examination in the detection of oral potentially malignant disorders (OPMD), oral cancer (OC), and oropharyngeal cancer (OPC). MATERIALS AND METHODS A systematic review with meta-analysis based on diagnostic test studies. A literature search was carried out in the MEDLINE and EMBASE databases through August 30, 2020. For this review, the quality assessment tool of diagnostic precision studies (QUADAS-2) was used. Hierarchical regression models were used to estimate pooled diagnostic precision values in a random effects model. RESULTS A total of 40 studies were identified for this review according to each test evaluated: 5.562 samples for autofluorescence, 1.353 samples for chemiluminescence, and 1.892 samples for clinical examination. The summary measures sensitivity and specificity of the clinical examination were 63% and 78%, respectively, AUC = 0.78 95% CI (0.74-0.81). In the autofluorescence test, these were 86% and 72%, respectively, AUC = 0.86 95% CI (0.83-0.89); and the chemiluminescent test were 67% and 48%, respectively, AUC = 0.59 95% CI (0.54-0.63) CONCLUSIONS: Autofluorescence devices displayed superior accuracy levels in the identification of premalignant lesions and early neoplastic changes compared to clinical examination and chemiluminescent test. Overall, biopsy remains the gold standard for the definitive diagnosis of OPMD, OC, and OPC. CLINICAL RELEVANCE Light-based clinical methods such as autofluorescence and chemiluminescence techniques have been used in clinical diagnosis for the differentiation of OPMD and malignant and benign lesions; although detailed visual examination appears to be effective in identifying, previous systematic reviews have not evaluated a relevant number of studies and they did not evaluate the accuracy of the clinical examination.
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Kim DH, Song EA, Kim SW, Hwang SH. Efficacy of toluidine blue in the diagnosis and screening of oral cancer and pre‐cancer: A systematic review and meta‐analysis. Clin Otolaryngol 2020; 46:23-30. [DOI: 10.1111/coa.13613] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 07/21/2020] [Indexed: 11/29/2022]
Affiliation(s)
- Do Hyun Kim
- Department of Otolaryngology‐Head and Neck Surgery Seoul St. Mary’s HospitalCollege of MedicineThe Catholic University of Korea Seoul Korea
| | - Eun A. Song
- Department of Otolaryngology‐Head and Neck Surgery Seoul St. Mary’s HospitalCollege of MedicineThe Catholic University of Korea Seoul Korea
| | - Sung Won Kim
- Department of Otolaryngology‐Head and Neck Surgery Seoul St. Mary’s HospitalCollege of MedicineThe Catholic University of Korea Seoul Korea
| | - Se Hwan Hwang
- Department of Otolaryngology‐Head and Neck Surgery Bucheon St. Mary’s HospitalCollege of MedicineThe Catholic University of Korea Seoul Korea
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Kim DH, Kim SW, Hwang SH. Autofluorescence imaging to identify oral malignant or premalignant lesions: Systematic review and meta‐analysis. Head Neck 2020; 42:3735-3743. [DOI: 10.1002/hed.26430] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/29/2020] [Accepted: 08/03/2020] [Indexed: 12/15/2022] Open
Affiliation(s)
- Do Hyun Kim
- Department of Otolaryngology—Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine The Catholic University of Korea Seoul South Korea
| | - Sung Won Kim
- Department of Otolaryngology—Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine The Catholic University of Korea Seoul South Korea
| | - Se Hwan Hwang
- Department of Otolaryngology—Head and Neck Surgery, Bucheon St. Mary's Hospital, College of Medicine, College of Medicine The Catholic University of Korea Seoul South Korea
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Jayasinghe RD, Hettiarachchi PVKS, Amugoda D, Kumaraarachchi M, Liyanage RLPR, Siriwardena BSMS, Gunasena R, Karunatilake AHTS, Amarasinghe HK. Validity of Toluidine Blue test as a diagnostic tool for high risk oral potentially malignant disorders- a multicentre study in Sri Lanka. J Oral Biol Craniofac Res 2020; 10:547-551. [PMID: 32923360 DOI: 10.1016/j.jobcr.2020.08.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/26/2020] [Accepted: 08/05/2020] [Indexed: 12/28/2022] Open
Abstract
Introduction - Early detection plays a major role to reduce the mortality of oral squamous cell carcinoma (OSCC). Many adjunctive techniques have emerged with claims of differentiating high risk oral potentially malignant disorders (OPMDs) from benign lesions. Toluidine blue (TB) test has been established as a diagnostic adjunct in detecting high risk OPMDs and early asymptomatic OSCCs. As majority of OSCC are preceded by OPMDs, recognition of them at an early stage is important in the management of this devastating disease. Methods -This study was conducted as a multi-center study prospectively for a period of 2 years. Sixty five patients presented with OPMDs were selected and TB test was performed followed by a biopsy for histopathological confirmation. Criterion validity was assessed with histological diagnosis of the incisional biopsy of the OPMD as a gold standard test verses TB test results. Results The sensitivity of the TB test was 68.3% and the specificity 63.1% with a false positive rate of 36.8% and false negative rate of 31.7%. However, the predictive value of the positive test was 80%. Conclusion - TB testing might be a potential adjunct diagnostic aid in identifying high risk OPMDs. Further studies with extensive sample size and different demographics are needed to validate our findings.
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Affiliation(s)
- R D Jayasinghe
- Department of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya, Sri Lanka.,Centre for Research in Oral cancer, Faculty of Dental Sciences, University of Peradeniya, Sri Lanka
| | - P V K S Hettiarachchi
- Department of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya, Sri Lanka.,Centre for Research in Oral cancer, Faculty of Dental Sciences, University of Peradeniya, Sri Lanka
| | | | | | | | - B S M S Siriwardena
- Centre for Research in Oral cancer, Faculty of Dental Sciences, University of Peradeniya, Sri Lanka.,Department of Oral Pathology, Faculty of Dental Sciences, University of Peradeniya, Sri Lanka
| | | | | | - H K Amarasinghe
- Centre for Research in Oral cancer, Faculty of Dental Sciences, University of Peradeniya, Sri Lanka.,Institute of Oral Health, Maharagama, Sri Lanka
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Kim DH, Lee J, Lee MH, Kim SW, Hwang SH. Efficacy of chemiluminescence in the diagnosis and screening of oral cancer and precancer: a systematic review and meta-analysis. Braz J Otorhinolaryngol 2020; 88:358-364. [PMID: 32847738 PMCID: PMC9422469 DOI: 10.1016/j.bjorl.2020.06.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/16/2020] [Accepted: 06/24/2020] [Indexed: 12/01/2022] Open
Abstract
Introduction Early detection of potentially malignant oral cavity disorders is critical for a good prognosis, and it is unclear whether the use of chemiluminescence as an adjunctive diagnostic screening method improves diagnostic accuracy. Objective This systematic review and meta-analysis was performed to assess the accuracy of chemiluminescence for diagnosis of oral cancer and precancerous lesions. Methods Sixteen prospective and retrospective studies from PubMed, Cochrane database, SCOPUS, Web of Science, Embase, and Google Scholar were reviewed. Oral mucosal disorder, as detected by chemiluminescence, was compared with oral mucosal disorder detected by toluidine blue or visual examination. True-positive, true-negative, false-positive, and false-negative rates were extracted for each study. Methodological quality was evaluated using the Quality Assessment of Diagnostic Accuracy Studies tool (ver. 2). Results Sensitivity, specificity, negative predictive value, and diagnostic odds ratio (DOR) of the use of toluidine blue were 0.832 (95% confidence interval [CI] 0.692–0.917), 0.429 (95% CI 0.217–0.672), 0.747 (95% CI 0.607–0.849), and 4.061 (95% CI 1.528–10.796; I2 = 9.128%), respectively. The area under the summary receiver operating characteristic (SROC) curve was 0.743. Compared with toluidine blue, as used in 12 studies, chemiluminescence had a higher sensitivity (0.831 vs. 0.694); it had a lower specificity (0.415 vs. 0.734), negative predictive value (0.674 vs. 0.729), and DOR (3.891 vs. 7.705). Compared with clinical examination, as used in three studies, chemiluminescence had lower DOR (4.576 vs. 5.499) and area under the curve (0.818 vs. 0.91). Conclusion Although chemiluminescence itself has good sensitivity for diagnostic work-up of oral cancer and precancer, the diagnostic accuracy of chemiluminescence is comparable to or worse than toluidine blue and clinical examination. Diagnostic accuracy was therefore insufficient for reliable use of chemiluminescence alone.
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Affiliation(s)
- Do Hyun Kim
- Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jaeyoon Lee
- Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Min Hyeong Lee
- Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sung Won Kim
- Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Se Hwan Hwang
- Department of Otolaryngology-Head and Neck Surgery, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
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Madhura MG, Rao RS, Patil S, Alhazmi YA, Jafer M, Habib SR, Awan KH. Minimally invasive procedures for the recognition and diagnosis of oral precancer and cancer. Dis Mon 2020; 66:101033. [PMID: 32620265 DOI: 10.1016/j.disamonth.2020.101033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Oral cancer represents a blend of genetic and epigenetic instability. Many a times, oral cancer occurs in the background of oral potentially malignant disorders (OPMDs), which could be easily detected and diagnosed. Various diagnostic aids have been explored for early detection of oral cancer. Some of the minimally invasive (chair-side diagnostic) procedures such as vital staining and light-based systems are used widely in the clinical practice as well as in the hospital setting owing to their simple and easy operability. In addition, these chair-side diagnostic procedures offer relatively good sensitivity and specificity despite some of their limitations. These diagnostic tools could complement good clinical history and thorough examination of patients for early detection of oral precancer and cancer.
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Affiliation(s)
| | - Roopa S Rao
- Department of Oral Pathology & Microbiology, M. S. Ramaiah Dental College, Bengaluru, Karnataka, India
| | - Shankargouda Patil
- Department of Maxillofacial Surgery & Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia.
| | - Yaser Ali Alhazmi
- Department of Maxillofacial Surgery & Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Mohammed Jafer
- Department of Preventive dental Science, College of Dentistry Jazan University, Jazan, Saudi Arabia
| | - Syed Rashid Habib
- Department of Prosthodontics, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Kamran Habib Awan
- College of Dental Medicine, Roseman University of Health Sciences, South Jordan, Utah 84095, United States.
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14
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Betel quid-associated cancer: Prevention strategies and targeted treatment. Cancer Lett 2020; 477:60-69. [PMID: 32112902 DOI: 10.1016/j.canlet.2020.02.030] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/20/2020] [Accepted: 02/21/2020] [Indexed: 12/13/2022]
Abstract
Betel quid (BQ) and areca nut use are at risk of cancer. This review includes the latest evidence of carcinogenesis caused by BQ exposure, suggests possible prevention strategies. We conducted a systematic literature search in the PubMed and Web of Science databases to identify relevant articles published in the past 10 years according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses criteria. Arecoline N-oxide, a metabolite of areca nut, is likely an initiator in carcinogenesis and is detoxified by N-acetylcysteine. Oral potentially malignant disorder and reactive oxygen species involved in carcinogenesis pathways may be treatable using antioxidants. Screening programs conducted by trained physicians are useful for identifying patients with early stages of oral cancer in high-risk groups. Anti-inflammatory medications may be used as chemopreventive agents in the disease-free stage after surgery. The association between survival and tumor somatic mutations in patients who chew BQ should be addressed in cancer studies. Current evidence on the natural course from BQ exposure to cancer occurrence and development provides information for developing primary, secondary, and tertiary prevention strategies against BQ-associated cancer at clinical or translational levels.
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Diagnostic Adjuncts for Oral Cavity Squamous Cell Carcinoma and Oral Potentially Malignant Disorders. ACTA ACUST UNITED AC 2020. [DOI: 10.1007/978-3-030-32316-5_9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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16
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Warnakulasuriya S. Oral potentially malignant disorders: A comprehensive review on clinical aspects and management. Oral Oncol 2020; 102:104550. [PMID: 31981993 DOI: 10.1016/j.oraloncology.2019.104550] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 08/09/2019] [Accepted: 12/21/2019] [Indexed: 10/25/2022]
Abstract
Oral potentially malignant disorders (OPMDs) include a group of conditions that affect the oral mucosa with an increased risk of malignancy. During their evolution visible changes may be found in the colour or in the thickness of the oral mucosa and these changes can be detected during an oral examination. Their clinical presentations are diverse and their natural history is not well described. Oral leukoplakia is the most commonly encountered OPMD in clinical practice. Use of optical fluorescence imaging or staining with toluidine blue may increase the number of lesions detected compared to oral visual examination alone and may increase border distinction at a subjective level. When stratifying their risk consideration is given to the presence of red areas, size exceeding 200 mm2, presence of lichenoid features and a higher grade of dysplasia in the pathology report. Up to a third of OPMDs may transform to squamous cell carcinomas.
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History and future perspectives for the use of fluorescence visualization to detect oral squamous cell carcinoma and oral potentially malignant disorders. Photodiagnosis Photodyn Ther 2019; 28:308-317. [DOI: 10.1016/j.pdpdt.2019.10.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 10/03/2019] [Accepted: 10/04/2019] [Indexed: 12/20/2022]
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Tilakaratne WM, Jayasooriya PR, Jayasuriya NS, De Silva RK. Oral epithelial dysplasia: Causes, quantification, prognosis, and management challenges. Periodontol 2000 2019; 80:126-147. [PMID: 31090138 DOI: 10.1111/prd.12259] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Oral epithelial dysplasia is a spectrum of architectural and cytological epithelial changes caused by accumulation of genetic changes, and is associated with an increased risk of progression to squamous cell carcinoma. It is a microscopic diagnosis of immense clinical importance. The initial reports of oral potentially malignant disorders with oral epithelial dysplasia transforming to oral cancer helped in understanding the nature of oral malignancies. Since then, clinical studies on oral potentially malignant disorders have combined microscopic findings of oral epithelial dysplasia to assess the malignant transformation potential of different grades of epithelial dysplasia. A significant amount of scientific literature has amassed on oral epithelial dysplasia relating to aspects of its diagnosis and management. However, the evidence base is weak as a result of the significant variability of published research. Poorly described study methods, variability in different oral epithelial dysplasia grading systems, inter- and intra-examiner variability causing issues of reliability, inadequate sample size, and inconsistent durations of follow-up are some of the methodological issues contributing to the failure to provide dependable information. Randomized clinical trials on the malignant transformation potential of oral epithelial dysplasia and its treatment outcomes are limited. This comprehensive literature review on oral epithelial dysplasia summarizes the scientific knowledge published in the scientific literature in English since its first description. The historical development, etiological factors, grading systems, diagnostic criteria, assessment of risk factors and prevention of malignant transformation, management principles of different grades of oral epithelial dysplasia (surgical and nonsurgical), recommendations on follow-up, and prognostic indicators are discussed in detail.
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Affiliation(s)
- Wanninayake M Tilakaratne
- Department of Oral Pathology, Faculty of Dental Sciences, University of Peradeniya, Peradeniya, Sri Lanka
| | - Primali R Jayasooriya
- Department of Oral Pathology, Faculty of Dental Sciences, University of Peradeniya, Peradeniya, Sri Lanka
| | - Nadeena S Jayasuriya
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, University of Peradeniya, Peradeniya, Sri Lanka
| | - Rohana Kumara De Silva
- Department of Oral Diagnostic and Surgical Sciences, Faculty of Dentistry, University of Otago, Dunedin, New Zealand
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19
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Warnakulasuriya S. White, red, and mixed lesions of oral mucosa: A clinicopathologic approach to diagnosis. Periodontol 2000 2019; 80:89-104. [DOI: 10.1111/prd.12276] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Saman Warnakulasuriya
- King's College London and WHO Collaborating Centre for Oral Cancer and Precancer London UK
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20
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Tiwari L, Kujan O, Farah CS. Optical fluorescence imaging in oral cancer and potentially malignant disorders: A systematic review. Oral Dis 2019; 26:491-510. [PMID: 30810255 DOI: 10.1111/odi.13071] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 02/20/2019] [Accepted: 02/21/2019] [Indexed: 02/06/2023]
Abstract
OBJECTIVES This study aimed to systematically review the efficacy of direct optical fluorescence imaging as an adjunct to comprehensive oral examination in the clinical evaluation, risk assessment and surgical management of oral cancer and potentially malignant disorders. METHODS Studies adopting autofluorescence devices, evaluating the efficacy of comprehensive oral examination and optical fluorescence imaging in detection, visualisation or management of oral squamous cell carcinoma or oral potentially malignant disorders, as well as discriminating oral epithelial dysplasia from other mucosal lesions, were included in the literature search across bibliographic databases until October 2018. RESULTS Twenty-seven studies were found to be eligible for inclusion in qualitative analysis. Of these, only six studies demonstrated a low risk of bias across all domains of the methodological assessment tool (QUADAS-2). Optical fluorescence imaging demonstrated positive results, with higher sensitivity scores, increased lesion detection and visualisation than comprehensive oral examination alone in the clinical evaluation of oral squamous cell carcinoma and oral potentially malignant disorders. CONCLUSIONS This review provides promising evidence for the utilisation of optical fluorescence imaging as an adjunct to comprehensive oral examination in varying clinical settings. It is important that devices utilising optical fluorescence imaging are viewed strictly as clinical adjuncts and not specifically as diagnostic devices.
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Affiliation(s)
- Lalima Tiwari
- UWA Dental School, The University of Western Australia, Nedlands, Western Australia, Australia
| | - Omar Kujan
- UWA Dental School, The University of Western Australia, Nedlands, Western Australia, Australia
| | - Camile S Farah
- Australian Centre for Oral Oncology Research & Education, Nedlands, Western Australia, Australia
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Abstract
Ongoing genetic and epigenetic research involving DNA methylation, salivary biomarkers, wild-type p53 tumor suppressor gene proteins, and HPV oncogenes are being directed at identification and treatment of dysplastic and malignant squamous cell mucosal lesions. Research is being conducted to improve immunotherapy drug response rates by increasing the amount of inflammation within the tumor microenvironment. Ongoing research is focused on the application of the antidiabetic drug metformin for the prevention and management of oral squamous cell dysplastic lesions. Professional and nonprofit cancer support organizations are essential for furthering education and research within the area of head and neck cancer.
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Affiliation(s)
- Joshua E Lubek
- Oral-Head and Neck Surgery/Microvascular Surgery, Department of Oral and Maxillofacial Surgery, University of Maryland, 650 West Baltimore Street, Suite 1401, Baltimore, MD 21201, USA.
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Comparative evaluation of autofluorescence imaging and histopathological investigation for oral potentially malignant disorders in Taiwan. Clin Oral Investig 2018; 23:2395-2402. [PMID: 30302607 DOI: 10.1007/s00784-018-2691-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Accepted: 10/02/2018] [Indexed: 10/28/2022]
Abstract
OBJECTIVES Autofluorescence imaging is gaining popularity as an adjunctive test for oral potentially malignant disorders (OPMD). This study evaluated the efficacy of autofluorescence imaging based on the current standard oral mucosal disorder checklist in Taiwan. MATERIALS AND METHODS In total, 126 patients suspected to have mucosal disorders at the Division of Oral and Maxillofacial Surgery, Tri-Service General Hospital, Taipei, Taiwan, were enrolled. Following a conventional oral examination by using the oral mucosal disorder checklist and an autofluorescence imaging examination, all participants underwent histopathological examination to access epithelial dysplasia. RESULTS Among 126 patients, 68 patients were diagnosis as having an OPMD and 63 having epithelial dysplasia. Autofluorescence imaging exhibited a sensitivity, specificity, positivity predictive value (PPV), negative predictive value (NPV), and accuracy of 77.94%, 35.42%, 63.10%, 53.13%, and 60.34%, respectively, for OPMD and of 88.89%, 43.86%, 63.64%, 78.13%, and 67.50%, respectively, for epithelial dysplasia. After the exclusion of 48 non-OPMD cases according to the checklist, the sensitivity, specificity, PPV, NPV, and accuracy of autofluorescence imaging became 87.50%, 72.73%, 94.23%, 53.33%, and 85.07%, respectively, for epithelial dysplasia. CONCLUSION The efficacy of epithelial dysplasia identification and OPMD risk assessment can be increased after the exclusion of the non-OPMD cases through autofluorescence imaging. CLINICAL RELEVANCE Autofluorescence imaging is a useful adjunct that can assist specialists in assessing OPMD patients prone to dysplasia without compromising patient care.
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Li YN, Lu R, Zhang J, Zhou G. Inter-and intra-observer agreement on the judgment of toluidine blue staining for screening of oral potentially malignant disorders and oral cancer. Clin Oral Investig 2018; 23:1709-1714. [PMID: 30155573 DOI: 10.1007/s00784-018-2595-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 08/20/2018] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Toluidine blue staining (TBS) is used for screening of oral potentially malignant disorders (OPMDs) and oral cancer. Nevertheless, the judgment of TBS is based on the observer's personal experience and largely considered subjective. The aim of this study was to evaluate the inter- and intra-observer agreement on the judgment of TBS for screening of OPMDs and oral cancer. MATERIALS AND METHODS Two hundred randomly ordered TBS images of OPMDs and oral cancer were judged twice independently by four clinicians and four graduated students majored in oral medicine, with an interval of 3 months. Inter- and intra-observer agreement was evaluated by the Cohen's kappa (κ) coefficient. The correlation between κ-value and individual experience was assessed by Spearman's correlation coefficient. RESULTS For the two sets of observation, good overall inter-observer agreement was found in the study (κ = 0.620 and 0.667). Sub-group analysis yielded good inter-observer agreement both for clinicians (κ = 0.613 and 0.611) and students (κ = 0.610 and 0.665). Pairwise inter-observer agreement was presented to be moderate to excellent between clinician and clinician (κ = 0.41~0.87, 0.43~0.81), moderate to excellent between student and student (κ = 0.43~0.71, 0.53~0.82), and poor to excellent between clinician and student (κ = 0.25~0.81, 0.35~0.87). Good to excellent intra-observer agreement (κ = 0.69~0.85) was presented for eight observers. However, no correlation was illustrated between years of experience and inter- or intra-observer agreement. CONCLUSION Judgment of TBS has a good overall inter-observer agreement and good to excellent intra-observer agreement, which guarantees its utilization and popularity in detecting OPMDs and oral cancer. CLINICAL RELEVANCE To our knowledge, this is the first study to investigate the inter- and intra-observer agreement of TBS judgment. The present results revealed a good inter-observer agreement and good to excellent intra-observer agreement, which provide a beneficial supplement to the knowledge of TBS technique.
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Affiliation(s)
- Ya-Nan Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, Hubei, People's Republic of China
| | - Rui Lu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, Hubei, People's Republic of China
- Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, Luoyu Road 237, Wuhan, China
| | - Jing Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, Hubei, People's Republic of China
- Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, Luoyu Road 237, Wuhan, China
| | - Gang Zhou
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, Hubei, People's Republic of China.
- Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, Luoyu Road 237, Wuhan, China.
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Warnakulasuriya S. Diagnostic adjuncts on oral cancer and precancer: an update for practitioners. Br Dent J 2018; 223:663-666. [PMID: 29123318 DOI: 10.1038/sj.bdj.2017.883] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/01/2017] [Indexed: 01/16/2023]
Abstract
A variety of devices and techniques are now available to aid the clinician in visualising clinical changes that may be found in the oral cavity. These techniques can now be applied at chairside to characterise these changes and many offer a real time result at the point of care. They may assist in a practitioner referring a case earlier to a specialist to undertake further investigations. The translational value of the research published so far has been limited as these technologies have not been adapted for routine use in primary care. This review aims to examine the utility of these adjunctive aids in clinical practice based on the current available evidence.
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Affiliation(s)
- S Warnakulasuriya
- King's College London and WHO Collaborating Centre for Oral Cancer UK
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25
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Chen XJ, Zhang XQ, Liu Q, Zhang J, Zhou G. Nanotechnology: a promising method for oral cancer detection and diagnosis. J Nanobiotechnology 2018; 16:52. [PMID: 29890977 PMCID: PMC5994839 DOI: 10.1186/s12951-018-0378-6] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/01/2018] [Indexed: 12/20/2022] Open
Abstract
Oral cancer is a common and aggressive cancer with high morbidity, mortality, and recurrence rate globally. Early detection is of utmost importance for cancer prevention and disease management. Currently, tissue biopsy remains the gold standard for oral cancer diagnosis, but it is invasive, which may cause patient discomfort. The application of traditional noninvasive methods-such as vital staining, exfoliative cytology, and molecular imaging-is limited by insufficient sensitivity and specificity. Thus, there is an urgent need for exploring noninvasive, highly sensitive, and specific diagnostic techniques. Nano detection systems are known as new emerging noninvasive strategies that bring the detection sensitivity of biomarkers to nano-scale. Moreover, compared to current imaging contrast agents, nanoparticles are more biocompatible, easier to synthesize, and able to target specific surface molecules. Nanoparticles generate localized surface plasmon resonances at near-infrared wavelengths, providing higher image contrast and resolution. Therefore, using nano-based techniques can help clinicians to detect and better monitor diseases during different phases of oral malignancy. Here, we review the progress of nanotechnology-based methods in oral cancer detection and diagnosis.
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Affiliation(s)
- Xiao-Jie Chen
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430079 People’s Republic of China
| | - Xue-Qiong Zhang
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
| | - Qi Liu
- Division of Pharmacoengineering and Molecular Pharmaceutics and Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 USA
| | - Jing Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430079 People’s Republic of China
- Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, Wuhan, 430079 People’s Republic of China
| | - Gang Zhou
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430079 People’s Republic of China
- Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, Wuhan, 430079 People’s Republic of China
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Mehrtash H, Duncan K, Parascandola M, David A, Gritz ER, Gupta PC, Mehrotra R, Amer Nordin AS, Pearlman PC, Warnakulasuriya S, Wen CP, Zain RB, Trimble EL. Defining a global research and policy agenda for betel quid and areca nut. Lancet Oncol 2017; 18:e767-e775. [PMID: 29208442 DOI: 10.1016/s1470-2045(17)30460-6] [Citation(s) in RCA: 110] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 05/23/2017] [Accepted: 06/05/2017] [Indexed: 01/02/2023]
Abstract
Betel quid and areca nut are known risk factors for many oral and oesophageal cancers, and their use is highly prevalent in the Asia-Pacific region. Additionally, betel quid and areca nut are associated with health effects on the cardiovascular, nervous, gastrointestinal, metabolic, respiratory, and reproductive systems. Unlike tobacco, for which the WHO Framework Convention on Tobacco Control provides evidence-based policies for reducing tobacco use, no global policy exists for the control of betel quid and areca nut use. Multidisciplinary research is needed to address this neglected global public health emergency and to mobilise efforts to control betel quid and areca nut use. In addition, future research is needed to advance our understanding of the basic biology, mechanisms, and epidemiology of betel quid and areca nut use, to advance possible prevention and cessation programmes for betel quid and areca nut users, and to design evidence-based screening and early diagnosis programmes to address the growing burden of cancers that are associated with use.
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Affiliation(s)
- Hedieh Mehrtash
- National Cancer Institute, National Institutes of Health, Rockville, MA, USA.
| | - Kalina Duncan
- National Cancer Institute, National Institutes of Health, Rockville, MA, USA
| | - Mark Parascandola
- National Cancer Institute, National Institutes of Health, Rockville, MA, USA
| | | | - Ellen R Gritz
- MD Anderson Cancer Center, University of Texas, Houston, TX, USA
| | | | - Ravi Mehrotra
- National Institute of Cancer Prevention and Research and WHO-FCTC Smokeless Tobacco Global Knowledge Hub, Uttar Pradesh, India
| | | | - Paul C Pearlman
- National Cancer Institute, National Institutes of Health, Rockville, MA, USA
| | - Saman Warnakulasuriya
- Department of Oral Medicine, King's College London and WHO Collaborating Centre for Oral Cancer and Precancer, London, UK
| | - Chi-Pang Wen
- National Health Research Institutes, Zhunan, Taiwan; Graduate Institute of Biomedical Sciences, College of Medicine and Department of Medical Research, China Medical Univerity, Taichung, Taiwan
| | - Rosnah Binti Zain
- Oral Cancer Research and Coordinating Centre, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Edward L Trimble
- National Cancer Institute, National Institutes of Health, Rockville, MA, USA
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Yan YJ, Huang TW, Cheng NL, Hsieh YF, Tsai MH, Chiou JC, Duann JR, Lin YJ, Yang CS, Ou-Yang M. Portable LED-induced autofluorescence spectroscopy for oral cancer diagnosis. JOURNAL OF BIOMEDICAL OPTICS 2017; 22:45007. [PMID: 28421226 DOI: 10.1117/1.jbo.22.4.045007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 03/07/2017] [Indexed: 06/07/2023]
Abstract
Oral cancer is a serious and growing problem in many developing and developed countries. To improve the cancer screening procedure, we developed a portable light-emitting-diode (LED)-induced autofluorescence (LIAF) imager that contains two wavelength LED excitation light sources and multiple filters to capture ex vivo oral tissue autofluorescence images. Compared with conventional means of oral cancer diagnosis, the LIAF imager is a handier, faster, and more highly reliable solution. The compact design with a tiny probe allows clinicians to easily observe autofluorescence images of hidden areas located in concave deep oral cavities. The ex vivo trials conducted in Taiwan present the design and prototype of the portable LIAF imager used for analyzing 31 patients with 221 measurement points. Using the normalized factor of normal tissues under the excitation source with 365 nm of the central wavelength and without the bandpass filter, the results revealed that the sensitivity was larger than 84%, the specificity was not smaller than over 76%, the accuracy was about 80%, and the area under curve of the receiver operating characteristic (ROC) was achieved at about 87%, respectively. The fact shows the LIAF spectroscopy has the possibilities of ex vivo diagnosis and noninvasive examinations for oral cancer.
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Affiliation(s)
- Yung-Jhe Yan
- National Chiao-Tung University, Institute of Electrical Control Engineering, Hsinchu City, Taiwan
| | - Ting-Wei Huang
- National Chiao-Tung University, Department of Electrical and Computer Engineering, Hsinchu City, Taiwan
| | - Nai-Lun Cheng
- National Chiao-Tung University, Institute of Biomedical Engineering, Hsinchu City, Taiwan
| | - Yao-Fang Hsieh
- National Central University, Department of Optics and Photonics, Jhongli City, Taoyuan County, Taiwan
| | - Ming-Hsui Tsai
- China Medical University, School of Medicine, Taichung City, Taiwan
| | - Jin-Chern Chiou
- National Chiao-Tung University, Institute of Electrical Control Engineering, Hsinchu City, TaiwanbNational Chiao-Tung University, Department of Electrical and Computer Engineering, Hsinchu City, TaiwaneChina Medical University, School of Medicine, Taichung City, Taiwan
| | - Jeng-Ren Duann
- China Medical University, School of Medicine, Taichung City, Taiwan
| | - Yung-Jiun Lin
- China Medical University, School of Medicine, Taichung City, Taiwan
| | - Chin-Siang Yang
- National Chiao-Tung University, Department of Electrical and Computer Engineering, Hsinchu City, Taiwan
| | - Mang Ou-Yang
- National Chiao-Tung University, Institute of Electrical Control Engineering, Hsinchu City, TaiwanbNational Chiao-Tung University, Department of Electrical and Computer Engineering, Hsinchu City, Taiwan
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28
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Hussain QA, Awan KH. Effect on Quality of Life in Oral Cancer Patients after Radiation and Chemotherapy. J Contemp Dent Pract 2016; 17:97-8. [PMID: 27206995 DOI: 10.5005/jp-journals-10024-1809] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Almost 10% of the tumors that affect the human body are sited in the mouth. Oral cancer has the 6th highest occurrence rate among the diverse forms of malignancies. Excluding skin cancer, oral cancer is the most common form of cancer affecting the head and neck region.(1).
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Affiliation(s)
- Quratul Ann Hussain
- Department of Oral Medicine and Diagnostic Sciences College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Kamran Habib Awan
- Assistant Professor, Department of Oral Medicine and Diagnostic Sciences College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia, Phone: (966)(1) 4677422, e-mail:
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29
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Chainani-Wu N, Madden E, Cox D, Sroussi H, Epstein J, Silverman S. Toluidine blue aids in detection of dysplasia and carcinoma in suspicious oral lesions. Oral Dis 2015; 21:879-85. [PMID: 26173924 DOI: 10.1111/odi.12358] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Revised: 07/01/2015] [Accepted: 07/05/2015] [Indexed: 11/28/2022]
Abstract
OBJECTIVES Accurate clinical identification of 'higher-risk' oral premalignant lesions or 'higher-risk' areas within lesions is important. Assessment methods that predict their presence have great utility. SUBJECTS AND METHODS A cross-sectional, observational study enrolled a consecutive sample of consenting patients diagnosed with oral leukoplakia, erythroleukoplakia, or erythroplakia. Medical history, visual oral examination, ViziLite(®) examination, toluidine blue staining (TBlue(®) ), and finally a biopsy were completed in a single clinic visit. Seventy-seven of 100 examined lesions in 43 patients were biopsied. Sensitivity, specificity, and positive and negative predictive values were computed for visual examination, ViziLite(®) , and TBlue(®) using biopsy results as the gold standard. RESULTS The sensitivity of TBlue(®) in detecting high-risk lesions (carcinoma in situ or carcinoma) was 94 (71-100, P < 0.0003) and specificity 45 (32-58, P < 0.53), while for carcinoma, sensitivity was 100 (54-100, P < 0.032) and specificity 39 (28-52, P < 0.097). The results of ViziLite(®) testing either by itself or in combination with the information from toluidine blue testing revealed low sensitivity for the detection of high-risk lesions. CONCLUSIONS Clinical examination of leukoplakia, erythroplakia, or erythroleukoplakia lesions combined with toluidine blue staining may aid in the identification of severe dysplasia (carcinoma in situ) or carcinoma. This may help in determining whether, when, and where (the site within a lesion) a biopsy should be taken.
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Affiliation(s)
- N Chainani-Wu
- Private practice in oral Medicine, Mountain View, CA, USA
| | - E Madden
- Northern California Institute for Research and Education (NCIRE), San Francisco, CA, USA
| | - D Cox
- Arthur A. Dugoni School of Dentistry, University of the Pacific, San Francisco, CA, USA
| | - H Sroussi
- College of Dentistry at the University of Illinois in Chicago, Chicago, IL, USA
| | - J Epstein
- Cedars-Sinai Medical Center, Los Angeles, CA, USA.,City of Hope National Medical Center, Duarte, CA, USA
| | - S Silverman
- University of California, San Francisco, CA, USA
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