Classification of pancreatic cystic neoplasms using radiomic feature analysis is equivalent to an experienced academic radiologist: A step toward computer-augmented diagnostics for radiologists
Open accessAbstract
Purpose A wide array of benign and malignant lesions of the pancreas can be cystic and these cystic lesions can have overlapping imaging appearances. The purpose of this study is to compare the diagnostic accuracy of a radiomics-based pancreatic cyst classifier to an experienced academic radiologist.Methods In this IRB-approved retrospective single-institution study, patients with surgically resected pancreatic cysts who underwent preoperative abdominal CT from 2003 to 2016 were identified. Pancreatic cyst(s) and background pancreas were manually segmented, and 488 radiomics features were extracted. Random forest classification based on radiomics features, age, and gender was evaluated with fourfold cross-validation. An academic radiologist blinded to the final pathologic diagnosis reviewed each case and provided the most likely diagnosis.Results 214 patients were included (64 intraductal papillary mucinous neoplasms, 33 mucinous cystic neoplasms, 60 serous cystadenomas, 24 solid pseudopapillary neoplasms, and 33 cystic neuroendocrine tumors). The radiomics-based machine learning approach showed AUC of 0.940 in pancreatic cyst classification, compared with AUC of 0.895 for the radiologist.Conclusion Radiomics-based machine learning achieved equivalent performance as an experienced academic radiologist in the classification of pancreatic cysts. The high diagnostic accuracy can potentially maximize the efficiency of healthcare utilization by maximizing detection of high-risk lesions.
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- Authors
- Chu, L. C., Park, S., Soleimani, S., Fouladi, D. F., Shayesteh, S., He, J., Javed, A. A., Wolfgang, C. L., Vogelstein, B., Kinzler, K. W., Hruban, R. H., Afghani, E., Lennon, A. M., Fishman, E. K., & Kawamoto, S.
- Affiliations
- Johns Hopkins University (US)
- New York University (US)
- Corresponding author
- Chu, Linda C.
- ORCID
- Venue
- Abdominal Radiology
- Published
- 2022-09-13
- Volume
- 47
- Issue
- 12
- Pages
- 4139-4150
- ISSN
- 2366-004X (ISSN-L)
- 2366-0058
- PMC
- PMC10548448
- OpenAlex
- W4295359734
- Cited by
- 39
- References
- 29
- Citations by year
- 2026: 9 · 2025: 10 · 2024: 10 · 2023: 10
- FWCI
- 4.26
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Abdominal Radiology (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- Lustgarten Foundation
- Topics
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiomics and Machine Learning in Medical Imaging
- Health Sciences › Medicine › Oncology › Pancreatic and Hepatic Oncology Research
- Physical Sciences › Computer Science › Artificial Intelligence › AI in cancer detection
- Keywords
- pancreatic cysts, radiomics, computer-aided diagnosis, intraductal papillary mucinous neoplasm, mucinous cystic neoplasm, serous cystadenoma, solid pseudopapillary neoplasm, abdominal CT, radiologist comparison, random forest classification
- MeSH terms
- Radiologists, Computers, Humans, Pancreatic Cyst, Pancreatic Neoplasms, Retrospective Studies
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