Presentation is loading. Please wait.

Presentation is loading. Please wait.

HYBRID IMAGING.  Combination  Nuclear medicine  Radiology  PET/CT  Positron emission tomography  Computed tomography  SPECT/CT  Single photon.

Similar presentations


Presentation on theme: "HYBRID IMAGING.  Combination  Nuclear medicine  Radiology  PET/CT  Positron emission tomography  Computed tomography  SPECT/CT  Single photon."— Presentation transcript:

1 HYBRID IMAGING

2  Combination  Nuclear medicine  Radiology  PET/CT  Positron emission tomography  Computed tomography  SPECT/CT  Single photon emission tomography  Computed tomography  PET/MRI

3 e-e- e+e+ Beta plus decay  Nucleus reach of protons  Proton is transformed to neutron  Emission of positron and neutrino  Periodical table shift to the left by one site  18F to18O  Positron is living only few ms  Annihilation of the matter  Interaction of electron and positron  Gamma rays  2 quanta E – 511 keV  Unique energy  Angle180o 18 0 511 keV   18 F

4 PET/CT scanner

5 Radiopharmaceuticals  18F halftime110 min  18FDG – fluorodeoxyglucose  18FLT – fluorothymidine  Na18F  18F-Estradiol, 18F-methionin, 18F-DOPA, 18F-cholin  68Ga halftime 68 min  DOTA derivates  somatostatine analoga  11C halftime 20 min  11C-acetate, 11C-cholin  13N (9 min), 15O (123 s), 82Rb (78 s)

6 Imaging technique  Application of radiofarmaka  Oral preparation  1000 ml 2,5% manitol  CT data acquisition  PET data acquisition  7 positions per 3 min

7 2,5% mannitol Oral preparation

8 Postprocessing fusion CT + PET Multiple colorectal cancer

9 18 F-fluorodeoxyglucose plasmacell transportphosphorylationglycolysis glucose 18 F-FDG 18 F-FDG-6-P glucose-6-P glycolysis glucose 18 F-FDG

10 18 FDG-PET/CT  Increased uptake  Tumorous tissues with increased glycolytic activity  Inflammatory reaction  Physiological uptake  brain  Brown fatty tissue  Stripped muscles  Kidneys  Sallivary glands

11 staging  Bronchogenic carcinoma  Head and neck tumours  Lymfoma  Melanoblastoma

12 BRCA

13 BRCA

14 Cerebral lymphoma

15 Hodgkin disease

16 Therapy strategy Sarcoma tendinis Achill. Leiomyosarkoma Synovial sarcoma

17 Restaging  Therapy response effect  Definitive  In the middle between cycles

18 Oropharyngeal cancer 18 months after

19 Early after surgery 3 months later

20 Cervical cancer Before th After th myom myom Ca Ca

21 Grading  the assesment of the biologic activity  More dedifferenciated – higher FDG uptake

22 Low-grade astrocytoma

23 Anaplastic oligodendroglioma

24 Fever of unknown origin M. Hodgkin

25 Blastic turnover of the osteomyelofibrosis

26 Microscopic polyarteritis

27 18 F-fluorothymidine  replication DNA = cellular proliferation  Fast dividing cells  Tumors  Bone marrow  Germinative zones of lymph nodes  Therapy monitoring – RT, CHT

28 indications

29 18 F-natriumfluoride  Bone turnover  fluoroapatite  Osteoblastic activity  Osteoplastic bone metastases  Ca prostate  Ca breast  Ca lungs  Bony tumors

30 Indications


Download ppt "HYBRID IMAGING.  Combination  Nuclear medicine  Radiology  PET/CT  Positron emission tomography  Computed tomography  SPECT/CT  Single photon."

Similar presentations


Ads by Google