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AI Approach Outperformed Human Experts in Identifying Cervical Precancer

Posted on January 10, 2019

Clinician using AI on phone to screen for cervical cancer

Credit: iStock

A research team led by investigators from the National Institutes of Health and Global Good has developed a computer algorithm that can analyze digital images of a woman’s cervix and accurately identify precancerous changes that require medical attention. This artificial intelligence (AI) approach, called automated visual evaluation, has the potential to revolutionize cervical cancer screening, particularly in low-resource settings.

To develop the method, researchers used comprehensive datasets to “train” a deep, or machine, learning algorithm to recognize patterns in complex visual inputs, such as medical images. The approach was created collaboratively by investigators at the National Cancer Institute (NCI) and Global Good, a fund at Intellectual Ventures, and the findings were confirmed independently by experts at the National Library of Medicine (NLM). The results appeared in the Journal of the National Cancer Institute on January 10, 2019. NCI and NLM are parts of NIH.

“Our findings show that a deep learning algorithm can use images collected during routine cervical cancer screening to identify precancerous changes that, if left untreated, may develop into cancer,” said Mark Schiffman, M.D., M.P.H., senior investigator in the Clinical Genetics Branch of DCEG, and senior author of the study. “In fact, the computer analysis of the images was better at identifying precancer than a human expert reviewer of Pap tests under the microscope (cytology).”

Read the full NIH Press Release.

Reference:

Hu L, Schiffman M, et al. "An observational study of deep learning and automated evaluation of cervical images for cancer screening." Journal of the National Cancer Institute Jan. 10, 2019; DOI: 10.1093/jnci/djy225 [Epub ahead of print]