Ces radiol. 2013, 67(2):142-147
PET/CT with the application of 18F-fluorocholine - the first experience with therapy response assessment after trans-arterial embolisation of the hepatocellular carcinomaOriginal article
- 1 Klinika zobrazovacích metod LF UK a FN, Plzeň
- 2 Šiklův ústav patologické anatomie LF UK a FN, Plzeň
- 3 Chirurgická klinika LF UK a FN, Plzeň
Aim: To evaluate an early experience with 18F-FCH-PET/CT in the therapy response assessments after trans-arterial embolisations of hepatocellular carcinoma (HCC).
Method: The sample 18F-FCH-PET/CT examinations was assessed in five men (mean age 69.6 years range 59-83) suffered from HCC after trans-arterial embolisation. All examinations were performed after intravenous administration of 18F-gluorocholine in the dose of 2 MBq per kilogram of body weight, the full diagnostic dual-phase MDCT forms the integral part of the examination. The vascularisation and the radiopharmaceutical accumulation were assessed.
Results: The well differentiated HCC was present in all patients. Signs of the recurrence were found in four men, hyper-metabolic all of them, in three, joined with hyper-vascularisation. But the increased 18F-FCH uptake was depicted in area less than one third of hypervascularized tissue. Hypo-vascularized hyper-metabolic viable tissue of HCC was found in one patient. Newly developed HCC foci were found in two patients.
Conclusion: 18F-FCH-PET/CT is useful tool in the therapy response assessments in interventional therapy of HCC; information obtained about metabolism activity is more precise than evaluations based only on morphological information of CT.
Keywords: 18F-fluorocholine, PET/CT, hepatocelullar carcinoma, trans-arterial embolisations, drug-eluting beads
Grants and funding:
Práce byla podpořena Programem rozvoje vědních oborů Karlovy Univerzity (projekt P36).
Accepted: April 19, 2013; Published: June 1, 2013 Show citation
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