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| OCT-Angiographie× | PET-Kinetikmodellierung× | |
|---|---|---|
| Fachgebiet | Medizinische Bildgebung | Medizinische Bildgebung |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 2012 | 1983 |
| Urheber≠ | Yali Jia | Christoph Patlak |
| Typ≠ | Optical imaging technique for vasculature visualization | Mathematical framework for tracer kinetics in PET imaging |
| Wegweisende Quelle≠ | Jia, Y., Tan, O., Tokayer, J., et al. (2012). Split-spectrum amplitude-decorrelation angiography with optical coherence tomography. Optics Express, 20(4), 4710-4725. DOI ↗ | Patlak, C. S., Blasberg, R. G., Fenstermacher, J. D. (1983). Graphical evaluation of blood-to-brain transfer constants from multiple-time uptake data. Journal of Cerebral Blood Flow & Metabolism, 3(1), 1-7. DOI ↗ |
| Aliasnamen≠ | OCTA, OCT-A | PET pharmacokinetics, Dynamic PET, PET compartmental modeling |
| Verwandt | 5 | 5 |
| Zusammenfassung≠ | Optical Coherence Tomography Angiography (OCTA) is a non-invasive imaging technique that visualizes the microvasculature in the retina and choroid by detecting motion contrast from flowing blood. Developed by Jia and colleagues in 2012, OCTA uses repeated OCT scans of the same tissue location to identify blood flow based on the decorrelation signal. It has become a critical diagnostic tool in ophthalmology for detecting retinal and macular diseases without requiring fluorescein injection. | PET kinetic modeling is a quantitative analysis technique that tracks the temporal behavior of radioactive tracers in tissue to extract physiological parameters such as blood flow, metabolic rate, and receptor density. Established by Patlak, Logan, and Gunn in the 1980s and 1990s, kinetic modeling transforms raw PET time-activity curves into interpretable biological measures. It is widely used in neurology, oncology, and cardiology to assess disease severity, treatment response, and regional tissue function. |
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