Journal of Cytology
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Year : 2018  |  Volume : 35  |  Issue : 2  |  Page : 71-74

Pilot study of an open-source image analysis software for automated screening of conventional cervical smears

Department of Pathology, Command Hospital (EC), Alipore, Kolkata, West Bengal, India

Correspondence Address:
Dr. Prosenjit Ganguli
Department of Pathology, Command Hospital (EC), Alipore, Kolkata, West Bengal
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JOC.JOC_110_17

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Introduction: The Pap stained cervical smear is a screening tool for cervical cancer. Commercial systems are used for automated screening of liquid based cervical smears. However, there is no image analysis software used for conventional cervical smears. The aim of this study was to develop and test the diagnostic accuracy of a software for analysis of conventional smears. Materials and Methods: The software was developed using Python programming language and open source libraries. It was standardized with images from Bethesda Interobserver Reproducibility Project. One hundred and thirty images from smears which were reported Negative for Intraepithelial Lesion or Malignancy (NILM), and 45 images where some abnormality has been reported, were collected from the archives of the hospital. The software was then tested on the images. Results: The software was able to segregate images based on overall nuclear: cytoplasmic ratio, coefficient of variation (CV) in nuclear size, nuclear membrane irregularity, and clustering. 68.88% of abnormal images were flagged by the software, as well as 19.23% of NILM images. The major difficulties faced were segmentation of overlapping cell clusters and separation of neutrophils. Conclusion: The software shows potential as a screening tool for conventional cervical smears; however, further refinement in technique is required.

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