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Histopathological Grading Of Sral Squamous Cell Carcinoma Using Artificial Intelligence/Digital Pathology | 110404
ISSN: 2161-0681
Journal of Clinical & Experimental Pathology
Open Access
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Introduction: Oral squamous cell carcinoma is the most frequent histological neoplasm of head and neck
cancers. The standard procedure for the diagnosis of oral cancer is based on histopathological examination.
However, the main problem in this kind of procedure is tumor heterogeneity where a subjective component of
the examination could directly impact patient-specific treatment intervention. The indication of neo-adjuvant
therapy is majorly dependent on histopathological grade and stage of oral squamous cell carcinoma. To avoid
this heterogeneity, artificial intelligence (AI) algorithms are widely used as digital and computational aid in the
diagnosis for classification of tumors. In this research, a two-stage Histoapthology/AI-based system for automatic
multiclass grading is proposed in order to assist the clinician in oral squamous cell carcinoma diagnosis. 1st
stage comprises of sharing histological grade assigned image which was being analyzed using AI/ Deep learning
methods in the 2nd stage.
Material and Methods: This study is being carried out in Pakistan Institute of Medical Sciences (PIMS)
in collaboration with COMSATS University (CUI), Islamabad from April, 2022 till 30th September, 2022.
Histopathological grading of Oral squamous cell carcinoma was done in 3 grades namely Well differentiated,
Moderately differentiated and Poorly Differentiated squamous cell carcinomas, by a qualified Histopathologist
using microscope Olympus 22X CLED Microscope. The images were taken and shared with the AI team which
analyzed the results using state-of-the-art deep learning algorithms naming ��?DenseNet101�. A good balance
between true positive rate and false positive rate was achieved in the model, and the performance of the proposed
system is improved by the use of transfer learning.
Results: The study was performed on 650 Histopathology Images. State-of-the-art deep learning-based models
were trained on these images. Normalization techniques are applied in the preprocessing stage for better
convergence. Overall 82.03 % accuracy was achieved by the model on testing data. The average precision of all
classes was achieved by 80%. The average recall of all classes was achieved by 81%.
Conclusion: In a continuously evolving era, inter- and intra-observer variability in assigning a histological grade
to the most prevalent carcinoma can be reduced by the promising results of Digital Pathology, hence aiding in
patient management. These revolutionary and need of the hour Digital Pathology innovations can be extrapolated
to other problematic areas of pathology.
Biography
Manal Rauf works at Pakistan Institute of Medical Sciences, Pakistan
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