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Ahmad M, Irfan MA, Sadique U, Haq IU, Jan A, Khattak MI, Ghadi YY, Aljuaid H. Multi-Method Analysis of Histopathological Image for Early Diagnosis of Oral Squamous Cell Carcinoma Using Deep Learning and Hybrid Techniques. Cancers (Basel) 2023; 15:5247. [PMID: 37958422 PMCID: PMC10650156 DOI: 10.3390/cancers15215247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/22/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
Oral cancer is a fatal disease and ranks seventh among the most common cancers throughout the whole globe. Oral cancer is a type of cancer that usually affects the head and neck. The current gold standard for diagnosis is histopathological investigation, however, the conventional approach is time-consuming and requires professional interpretation. Therefore, early diagnosis of Oral Squamous Cell Carcinoma (OSCC) is crucial for successful therapy, reducing the risk of mortality and morbidity, while improving the patient's chances of survival. Thus, we employed several artificial intelligence techniques to aid clinicians or physicians, thereby significantly reducing the workload of pathologists. This study aimed to develop hybrid methodologies based on fused features to generate better results for early diagnosis of OSCC. This study employed three different strategies, each using five distinct models. The first strategy is transfer learning using the Xception, Inceptionv3, InceptionResNetV2, NASNetLarge, and DenseNet201 models. The second strategy involves using a pre-trained art of CNN for feature extraction coupled with a Support Vector Machine (SVM) for classification. In particular, features were extracted using various pre-trained models, namely Xception, Inceptionv3, InceptionResNetV2, NASNetLarge, and DenseNet201, and were subsequently applied to the SVM algorithm to evaluate the classification accuracy. The final strategy employs a cutting-edge hybrid feature fusion technique, utilizing an art-of-CNN model to extract the deep features of the aforementioned models. These deep features underwent dimensionality reduction through principal component analysis (PCA). Subsequently, low-dimensionality features are combined with shape, color, and texture features extracted using a gray-level co-occurrence matrix (GLCM), Histogram of Oriented Gradient (HOG), and Local Binary Pattern (LBP) methods. Hybrid feature fusion was incorporated into the SVM to enhance the classification performance. The proposed system achieved promising results for rapid diagnosis of OSCC using histological images. The accuracy, precision, sensitivity, specificity, F-1 score, and area under the curve (AUC) of the support vector machine (SVM) algorithm based on the hybrid feature fusion of DenseNet201 with GLCM, HOG, and LBP features were 97.00%, 96.77%, 90.90%, 98.92%, 93.74%, and 96.80%, respectively.
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Affiliation(s)
- Mehran Ahmad
- Department of Electrical Engineering, University of Engineering and Technology, Peshawar 25000, Pakistan; (M.A.); (A.J.); (M.I.K.)
- AIH, Intelligent Information Processing Lab (NCAI), University of Engineering and Technology, Peshawar 25000, Pakistan; (U.S.); (I.u.H.)
| | - Muhammad Abeer Irfan
- Department of Computer Systems Engineering, University of Engineering and Technology, Peshawar 25000, Pakistan;
| | - Umar Sadique
- AIH, Intelligent Information Processing Lab (NCAI), University of Engineering and Technology, Peshawar 25000, Pakistan; (U.S.); (I.u.H.)
- Department of Computer Systems Engineering, University of Engineering and Technology, Peshawar 25000, Pakistan;
| | - Ihtisham ul Haq
- AIH, Intelligent Information Processing Lab (NCAI), University of Engineering and Technology, Peshawar 25000, Pakistan; (U.S.); (I.u.H.)
- Department of Mechatronics Engineering, University of Engineering and Technology, Peshawar 25000, Pakistan
| | - Atif Jan
- Department of Electrical Engineering, University of Engineering and Technology, Peshawar 25000, Pakistan; (M.A.); (A.J.); (M.I.K.)
| | - Muhammad Irfan Khattak
- Department of Electrical Engineering, University of Engineering and Technology, Peshawar 25000, Pakistan; (M.A.); (A.J.); (M.I.K.)
| | - Yazeed Yasin Ghadi
- Department of Computer Science, Al Ain University, Al Ain 15551, United Arab Emirates;
| | - Hanan Aljuaid
- Computer Sciences Department, College of Computer and Information Sciences, Princess Nourah Bint Abdulrahman University (PNU), Riyadh 11671, Saudi Arabia
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Comprehensive Review on the Use of Artificial Intelligence in Ophthalmology and Future Research Directions. Diagnostics (Basel) 2022; 13:diagnostics13010100. [PMID: 36611392 PMCID: PMC9818832 DOI: 10.3390/diagnostics13010100] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/12/2022] [Accepted: 12/26/2022] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Having several applications in medicine, and in ophthalmology in particular, artificial intelligence (AI) tools have been used to detect visual function deficits, thus playing a key role in diagnosing eye diseases and in predicting the evolution of these common and disabling diseases. AI tools, i.e., artificial neural networks (ANNs), are progressively involved in detecting and customized control of ophthalmic diseases. The studies that refer to the efficiency of AI in medicine and especially in ophthalmology were analyzed in this review. MATERIALS AND METHODS We conducted a comprehensive review in order to collect all accounts published between 2015 and 2022 that refer to these applications of AI in medicine and especially in ophthalmology. Neural networks have a major role in establishing the demand to initiate preliminary anti-glaucoma therapy to stop the advance of the disease. RESULTS Different surveys in the literature review show the remarkable benefit of these AI tools in ophthalmology in evaluating the visual field, optic nerve, and retinal nerve fiber layer, thus ensuring a higher precision in detecting advances in glaucoma and retinal shifts in diabetes. We thus identified 1762 applications of artificial intelligence in ophthalmology: review articles and research articles (301 pub med, 144 scopus, 445 web of science, 872 science direct). Of these, we analyzed 70 articles and review papers (diabetic retinopathy (N = 24), glaucoma (N = 24), DMLV (N = 15), other pathologies (N = 7)) after applying the inclusion and exclusion criteria. CONCLUSION In medicine, AI tools are used in surgery, radiology, gynecology, oncology, etc., in making a diagnosis, predicting the evolution of a disease, and assessing the prognosis in patients with oncological pathologies. In ophthalmology, AI potentially increases the patient's access to screening/clinical diagnosis and decreases healthcare costs, mainly when there is a high risk of disease or communities face financial shortages. AI/DL (deep learning) algorithms using both OCT and FO images will change image analysis techniques and methodologies. Optimizing these (combined) technologies will accelerate progress in this area.
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Machine Learning Predictive Model as Clinical Decision Support System in Orthodontic Treatment Planning. Dent J (Basel) 2022; 11:dj11010001. [PMID: 36661538 PMCID: PMC9858447 DOI: 10.3390/dj11010001] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/09/2022] [Accepted: 11/18/2022] [Indexed: 12/24/2022] Open
Abstract
Diagnosis and treatment planning forms the crux of orthodontics, which orthodontists gain with years of expertise. Machine Learning (ML), having the ability to learn by pattern recognition, can gain this expertise in a very short duration, ensuring reduced error, inter-intra clinician variability and good accuracy. Thus, the aim of this study was to construct an ML predictive model to predict a broader outline of the orthodontic diagnosis and treatment plan. The sample consisted of 700 case records of orthodontically treated patients in the past ten years. The data were split into a training and a test set. There were 33 input variables and 11 output variables. Four ML predictive model layers with seven algorithms were created. The test set was used to check the efficacy of the ML-predicted treatment plan and compared with that of the decision made by the expert orthodontists. The model showed an overall average accuracy of 84%, with the Decision Tree, Random Forest and XGB classifier algorithms showing the highest accuracy ranging from 87-93%. Yet in their infancy stages, Machine Learning models could become a valuable Clinical Decision Support System in orthodontic diagnosis and treatment planning in the future.
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Machine-Learning Applications in Oral Cancer: A Systematic Review. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12115715] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Over the years, several machine-learning applications have been suggested to assist in various clinical scenarios relevant to oral cancer. We offer a systematic review to identify, assess, and summarize the evidence for reported uses in the areas of oral cancer detection and prevention, prognosis, pre-cancer, treatment, and quality of life. The main algorithms applied in the context of oral cancer applications corresponded to SVM, ANN, and LR, comprising 87.71% of the total published articles in the field. Genomic, histopathological, image, medical/clinical, spectral, and speech data were used most often to predict the four areas of application found in this review. In conclusion, our study has shown that machine-learning applications are useful for prognosis, diagnosis, and prevention of potentially malignant oral lesions (pre-cancer) and therapy. Nevertheless, we strongly recommended the application of these methods in daily clinical practice.
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Ilhan B, Guneri P, Wilder-Smith P. The contribution of artificial intelligence to reducing the diagnostic delay in oral cancer. Oral Oncol 2021; 116:105254. [PMID: 33711582 DOI: 10.1016/j.oraloncology.2021.105254] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 02/11/2021] [Accepted: 02/24/2021] [Indexed: 02/07/2023]
Abstract
Oral cancer (OC) is the sixth most commonly reported malignant disease globally, with high rates of disease-related morbidity and mortality due to advanced loco-regional stage at diagnosis. Early detection and prompt treatment offer the best outcomes to patients, yet the majority of OC lesions are detected at late stages with 45% survival rate for 2 years. The primary cause of poor OC outcomes is unavailable or ineffective screening and surveillance at the local point-of-care level, leading to delays in specialist referral and subsequent treatment. Lack of adequate awareness of OC among the public and professionals, and barriers to accessing health care services in a timely manner also contribute to delayed diagnosis. As image analysis and diagnostic technologies are evolving, various artificial intelligence (AI) approaches, specific algorithms and predictive models are beginning to have a considerable impact in improving diagnostic accuracy for OC. AI based technologies combined with intraoral photographic images or optical imaging methods are under investigation for automated detection and classification of OC. These new methods and technologies have great potential to improve outcomes, especially in low-resource settings. Such approaches can be used to predict oral cancer risk as an adjunct to population screening by providing real-time risk assessment. The objective of this study is to (1) provide an overview of components of delayed OC diagnosis and (2) evaluate novel AI based approaches with respect to their utility and implications for improving oral cancer detection.
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Affiliation(s)
- Betul Ilhan
- Ege University, Faculty of Dentistry, Department of Oral & Maxillofacial Radiology, Bornova, Izmir, Turkey.
| | - Pelin Guneri
- Ege University, Faculty of Dentistry, Department of Oral & Maxillofacial Radiology, Bornova, Izmir, Turkey
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Kuyama K, Matsumoto T, Morikawa M, Fukatsu A, Ichimura M, Wakami M, Fukumoto M, Kato T, Yamamoto H. Morphometrical findings among dysplasias of oral, cervical and bronchial regions. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/ojst.2013.32037] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Maeda K, Noguchi Y, Matsumoto F, Nagasawa T. Quantitative fetal heart rate evaluation without pattern classification: FHR score and artificial neural network analysis. NETWORK (BRISTOL, ENGLAND) 2010; 21:127-141. [PMID: 21138362 DOI: 10.3109/0954898x.2010.529396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Affiliation(s)
- K Maeda
- Department of Obstetrics & Gynecology, Seirei Hospitals, Hamamatsu, Japan.
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Caruntu ID, Scutariu MM, Dobrescu G. Computerized morphometric discrimination between normal and tumoral cells in oral smears. J Cell Mol Med 2005; 9:160-8. [PMID: 15784174 PMCID: PMC6741632 DOI: 10.1111/j.1582-4934.2005.tb00346.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
The oral exfoliative cytology allows a quick and fairly accurate assessment of suspicious lesions of the oral cavity. Within this context, our paper proposes a quantitative approach, focusing on the construction of a classifier for detecting the presence of the tumoral cells on oral smears. The design of the classifier relies on a detailed computerized analysis of the individual morphometric features exhibited by two large known populations of normal and tumoral cells, respectively; the digital image processing was performed in the Zeiss KS400 environment. The classifier was implemented as a neural network with step activation function, whose parameters were obtained from an adequate training, based on the nuclear and cytoplasmic areas of the cells belonging to the two populations. Our procedure based on this classifier was meant to operate by identifying the tumoral or normal nature of any cell randomly selected from a smear. To identify the nature of an arbitrary cell, its nuclear and cytoplasmic areas are presented at the input of the classifier. The classification procedure was tested on several smears, and the results coincided with the pathological diagnosis in all the considered cases. The performances of our approach are discussed in comparison with other analytical methods previously reported in oral exfoliative cytology. These discussions emphasize the role of numerical information exploited for the classifier design, concluding that the individual morphometric features are more meaningful than the global characterization of smears by mean values.
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Affiliation(s)
- Irina-Draga Caruntu
- Department of Histology, Faculty of Dentistry, University of Medicine and Pharmacy "Gr.T. Popa" Iassy, Iassy 700115, Romania.
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Remmerbach TW, Mathes SN, Weidenbach H, Hemprich A, Böcking A. [Noninvasive brush biopsy as an innovative tool for early detection of oral carcinomas]. ACTA ACUST UNITED AC 2004; 8:229-36. [PMID: 15293118 DOI: 10.1007/s10006-004-0542-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
PURPOSE The aim of this prospective study was to investigate the diagnostic accuracy of DNA image cytometry in combination with non-invasive brush biopsies taken from suspicious oral lesions. MATERIAL AND METHODS Cytological diagnoses obtained from 1328 exfoliative smears of 332 different lesions were compared with histology and/or clinical follow-ups of the respective patients. Additionally, nuclear DNA contents were measured after Feulgen restaining using a TV image analysis system. DNA aneuploidy was assumed if abnormal DNA stemlines or cells with DNA content greater than 9c were observed. RESULTS; The sensitivity of our cytological diagnosis in addition to DNA image cytometry on oral smears for the detection of cancer cells was 97.8%, specificity 100%, positive predictive value 100%, and negative predictive value 98.1%. CONCLUSION The application of DNA image cytometry with DNA aneuploidy as a marker for neoplastic transformation in oral smears secures cytologic diagnosis of carcinomas. Smears from brushings of all visible oral lesions are an easily practicable, cheap, noninvasive, painless, and safe screening method for detection of oral precancerous lesions and squamous cell carcinoma in all stages. We conclude that DNA image cytometry is a very sensitive and highly specific, objective, and reproducible adjuvant tool for identification of neoplastic cells in oral smears.
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Affiliation(s)
- T W Remmerbach
- Klinik und Poliklinik für Mund-, Kiefer- und Plastische Gesichtschirurgie, Universität Leipzig.
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Soriano M, Saloma C. Improved classification robustness for noisy cell images represented as principal-component projections in a hybrid recognition system. APPLIED OPTICS 1998; 37:3628-3638. [PMID: 18273332 DOI: 10.1364/ao.37.003628] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Different types of cells are recognized from their noisy images by use of a hybrid recognition system that consists of a learning principal-component analyzer and an image-classifier network. The inputs to the feed-forward backpropagation classifier are the first 15 principal components of the 10 x 10 pixel image to be classified. The classifier was trained with clear images of cells in metaphase, unburst cells, and other erroneous patterns. Experimental results show that the recognition system is robust to image scaling and rotation, as well as to image noise. Cell recognition is demonstrated for images that are corrupted with additive Gaussian noise, impulse noise, and quantization errors. We compare the performance of the hybrid recognition system with that of a conventional three-layer feed-forward backpropagation network that uses the raw image directly as input.
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Affiliation(s)
- M Soriano
- National Institute of Physics, University of the Philippines, Diliman 101, Quezon City, The Philippines
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Abstract
The use of oral exfoliative cytology in clinical practice declined due to the subjective nature of its interpretation and because there may be only a small number of abnormal cells identifiable in a smear. The more recent application of quantitative techniques, together with advances in immunocytochemistry, have refined the potential role of cytology, stimulating a reappraisal of its value in the diagnosis of oral cancer. This review considers the influence of the quantitative analysis of cytomorphology, DNA analysis and other tumour markers applied to oral exfoliative cytological samples. These studies indicate that oral cytology may provide an important adjunct in the assessment of the patient with a potentially cancerous oral lesion.
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Affiliation(s)
- G R Ogden
- Department of Dental Surgery & Periodontology, Dental Hospital, University of Dundee, UK
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