University of Twente Student Theses
An Interactive NLP Approach for Improving Completeness and Annotation Efficiency in Prostate Screening Reports
Suresh, Hridya Nair (2024) An Interactive NLP Approach for Improving Completeness and Annotation Efficiency in Prostate Screening Reports.
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| Abstract: | Radiology is an important component of healthcare, playing a vital role in disease diagnosis. The process of radiology reporting, where radiologists document their findings and observations from scans, is integral to patient care. Thus, the completeness of these reports is essential, as minor errors can significantly affect the diagnosis and further treatment. The mistakes or missing fields in the report can arise due to factors such as increased workload, time constraints and inexperienced radiologists. This research focuses on automating the process of checking reports and providing radiologists with suggestions for any missing information. The radiology reports are Dutch semi-structured text data, Natural language Processing(NLP) techniques were used to extract the important information from the reports. Dutch Language models BERTje and MedRoBERTa.nl were tested for this task, but they exhibited overfitting due to a limited dataset. A hybrid Conditional Random Field (CRF) model was also implemented, yielding better results with an F1 score ranging from 0.94 (highest) to 0.45 (lowest) in identifying fields. The lower performance for certain labels is attributed to the underrepresentation of these fields in the reports. To address the challenges of limited data and underrepresentation, we developed an interface that integrates the model into the radiologists’ workflow, allowing for both the application of the model and the collection of annotations through user interactions. |
| Item Type: | Essay (Master) |
| Clients: | Ziekenhuisgroep Twente, Hengelo, Netherlands |
| Faculty: | EEMCS: Electrical Engineering, Mathematics and Computer Science |
| Subject: | 54 computer science |
| Programme: | Interaction Technology MSc (60030) |
| Link to this item: | https://purl.utwente.nl/essays/103815 |
| Export this item as: | BibTeX EndNote HTML Citation Reference Manager |
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