Radiological Physics - Diagnostic Radiology
- Department of Dosimetry and Application of Ionizing Radiation
The subject concerns physical and physical-technical aspects of diagnostic radiology. Function of an X-ray unit and image formation are explained, and different imaging modalities are summarised. Problems of radiation protection and dosimetry in diagnostic radiology are discussed.
finished courses 16ZDOZ1, 16ZDOZ2, 16DETE, 16JRF1, 16JRF2 and 01RMF
- Syllabus of lectures:
1.X-RAY UNIT: history of diagnostic radiology, x-ray tube, HV generator, other components of an X-ray unit.
2.X-RAY PRODUCTION: bremsstrahlung, characteristic radiation, X-ray spectrum, parameters of a spectrum.
3.INTERACTION OF X-RAYS WITH TISSUE, IMAGE PRODUCTION: interaction processes, image production, contrast media, scattered radiation, methods of contrast enhancing.
4.IMAGE RECEPTORS: X-ray film, intensifying screens, screen-film cassettes, image intensifiers, fluoroscopic imaging chain.
5.IMAGE QUALITY: noise, contrast, resolution, ROC analysis, image processing.
6.RADIOGRAPHIC TECHNIQUES: screen-film radiography, fluoroscopy, angiography, mammography, dental radiography, tomography, imaging process - film processing, sensitometry, optimization.
7.DIGITAL RADIOGRAPHY: digital image receptors, digital imaging techniques, digital image formation, quality and processing.
8.COMPUTED TOMOGRAPHY (CT): history, CT generations, CT detectors, reconstruction algorithms, Radon and Fourier transformation.
9.COMPUTED TOMOGRAPHY (CT): CT number, calibration of a CT, CT image, CT dosimetry.
10.QUALITY CONTROL (QC): legislation requirements, SONS recommendations, practical realization, specifics for special radiographic techniques, optimization.
11.RADIATION PROTECTION IN DIAGNOSTIC RADIOLOGY: radiation protection of a patient, quantities used for patient dosimetry, radiation protection of workers and public, methods of dose reduction.
12.LEGISLATION: Council Directive 97/43 Euratom, „Atomic Law“ and corresponding regulations, tasks of medical physicists and technicians.
- Syllabus of tutorials:
1. Imaging process - developing, sensitometry optimization
2. Digital image processing.
3. -algebraic reconstruction algorithms, iterative method, simple and filtered back projection, sinogram, Radon and Fourier transform-use.
4. CT image artifacts, demonstrations, practical clinical examples, exercises for teaching software
5. Standards test, variables used for dosimetry of patients, their mutual relations, measurement and calculations, radiation protection and load personnel and the public.
- Study Objective:
Knowledge about physical and physical-technical aspects of diagnostic radiology.
Using X-ray diagnostic knowledge to solve practical testing and evaluation of radiographs.
- Study materials:
 J.T. Bushberg, The Essential Physics of Medical Imaging, LWW, 2002
 T.L. Fauber, Radiographic Imaging and Exposure, Mosby, 2000
 Ch. Gunn, Radiographic Imaging A Practical Approach, Church. Living., 2002
 Natterer, The Mathematics of Computerized Tomography, SIAM, 2001
- Further information:
- No time-table has been prepared for this course
- The course is a part of the following study plans:
- Radiologická fyzika (compulsory course of the specialization)