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Updated: Jul 1, 2025

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Murine Model for Non-invasive Imaging to Detect and Monitor Ovarian Cancer Recurrence
Published on: November 2, 2014
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Development of an Automatic Rule-Based Algorithm for the Detection of Ovarian Cancer Recurrence From Electronic
Sanghee Lee1,2, Ji Hyun Kim3, Hyeong In Ha4
1Department of Cancer Control & Population Health, National Cancer Center Graduate School of Cancer Science and Policy, Goyang, Republic of Korea.
JCO Clinical Cancer Informatics
|March 5, 2024
Summary
An automated algorithm effectively detects ovarian cancer recurrence from electronic health records, significantly reducing manual review time and resources. This method closely matches traditional review accuracy for recurrence-free survival estimates.
Area of Science:
- Oncology
- Medical Informatics
- Health Services Research
Background:
- Detecting cancer recurrence from electronic health records (EHR) typically requires extensive manual chart review.
- This manual process is time-consuming and resource-intensive, hindering large-scale analysis.
Purpose of the Study:
- To develop an automated, rule-based algorithm for detecting ovarian cancer (OC) recurrence using EHR data.
- To assess the algorithm's performance against manual chart review methods.
Main Methods:
- Developed an automated rule-based recurrence detection algorithm (Auto-Recur) using image, biomarker (CA125), and treatment data from EHR.
- Evaluated Auto-Recur's sensitivity, specificity, and accuracy in detecting recurrence time.
- Compared estimated recurrence-free survival probabilities with retrospective chart review results.
Main Results:
- The Auto-Recur algorithm significantly reduced manual review time, saving approximately 1,340 days per 100,000 patients.
- The hybrid algorithm combining image, biomarker, and treatment data achieved high efficiency (sensitivity: 93.4%, specificity: 97.4%) with minimal time error (8.5 days).
- Estimated 3-year recurrence-free survival probability (44%) closely aligned with retrospective review estimates (45%).
Conclusions:
- The developed rule-based algorithm accurately identifies ovarian cancer recurrence from large-scale EHR data.
- This automated approach facilitates efficient EHR analysis and enhances opportunities for clinical research.
- The findings support the use of automated methods for cancer recurrence detection in clinical practice.
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