[Machine learning in radiology : Terminology from individual timepoint to trajectory]
Georg Langs1, Ulrike Attenberger2, Roxane Licandro3,4
1Universitätsklinik für Radiologie und Nuklearmedizin, Computational Imaging Research Lab, Medizinische Universität Wien, Währinger Gürtel 18-20, 1090, Wien, Österreich. georg.langs@meduniwien.ac.at.
Der Radiologe
|January 10, 2020
Summary
Machine learning (ML) algorithms are advancing in radiology for tasks like lesion detection and patient prediction. Thorough validation and diverse training data are crucial for their successful integration into clinical practice.
Area of Science:
- Radiology
- Medical Imaging
- Artificial Intelligence
Background:
- Machine learning (ML) algorithms are increasingly vital in radiology.
- They are applied across various imaging modalities, including CT, MRI, and ultrasound.
- Each modality presents unique challenges in standardization and data variability.
Purpose of the Study:
- To explore the role and impact of machine learning (ML) algorithms in modern radiology.
- To highlight the capabilities of ML in analyzing medical images for diagnosis and prediction.
- To discuss the current state and future implications of ML in radiological practice.
Main Methods:
- Utilizing ML algorithms for automatic detection and segmentation of diagnostic markers.
- Employing ML for quantifying disease progression and treatment response.
- Training prediction models using longitudinal data for personalized patient outcomes.
Main Results:
- ML algorithms demonstrate acceptable performance in lesion detection and segmentation.
- The accuracy of ML-based prediction models is continuously improving.
- ML solutions in radiology are progressing, with many currently in the validation phase.
Conclusions:
- The successful integration of ML into radiology hinges on rigorous algorithm validation.
- The development of representative and diverse datasets is essential for training and validating ML models.
- ML holds significant potential to support clinical decisions and advance radiological practice.


