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EnglishPURPOSE: The influence of androgen deprivation therapy (ADT) on (11)C-choline uptake in patients with prostate cancer (PC) has not yet been clarified. The aim of our study was to investigate this issue by means of sequential (11)C-choline positron emission tomography (PET)/CT in patients with recurrent PC. METHODS: We retrospectively studied 14 recurrent PC patients (mean age 67 years, range 55-82) during follow-up after radical prostatectomy (RP) with rising serum prostate-specific antigen (PSA) levels. All patients had undergone at least two consecutive (11)C-choline PET/CT scans: the first (11)C-choline PET/CT before commencing ADT and the second (11)C-choline PET/CT after 6 months of ADT administration. RESULTS: The mean serum PSA level before ADT was 17.0 ± 44.1 ng/ml. After 6 months of ADT administration the PSA value significantly decreased in comparison to baseline (PSA = 2.4 ± 3.1 ng/ml, p < .025). Moreover, before starting ADT, 13 of 14 patients had positive (11)C-choline PET/CT for metastatic spread, while after 6 months of ADT administration in 9 of 14 patients (11)C-choline PET/CT became negative. CONCLUSION: These preliminary results suggest that ADT significantly reduces (11)C-choline uptake in androgen-sensitive PC patients.
| Titolo: | Androgen deprivation therapy influences the uptake of 11C-choline in patients with recurrent prostate cancer: the preliminary results of a sequential PET/CT study. | |
| Autore/i: | FUCCIO, CHIARA; SCHIAVINA, RICCARDO; CASTELLUCCI, PAOLO; RUBELLO D; MARTORANA, GIUSEPPE; CELLI M; MALIZIA C; PROFITOS MB; MARZOLA MC; PETTINATO V; FANTI, STEFANO | |
| Autore/i Unibo: | ||
| Anno: | 2011 | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1007/s00259-011-1867-0 | |
| Abstract: | PURPOSE: The influence of androgen deprivation therapy (ADT) on (11)C-choline uptake in patients with prostate cancer (PC) has not yet been clarified. The aim of our study was to investigate this issue by means of sequential (11)C-choline positron emission tomography (PET)/CT in patients with recurrent PC. METHODS: We retrospectively studied 14 recurrent PC patients (mean age 67 years, range 55-82) during follow-up after radical prostatectomy (RP) with rising serum prostate-specific antigen (PSA) levels. All patients had undergone at least two consecutive (11)C-choline PET/CT scans: the first (11)C-choline PET/CT before commencing ADT and the second (11)C-choline PET/CT after 6 months of ADT administration. RESULTS: The mean serum PSA level before ADT was 17.0 ± 44.1 ng/ml. After 6 months of ADT administration the PSA value significantly decreased in comparison to baseline (PSA = 2.4 ± 3.1 ng/ml, p < .025). Moreover, before starting ADT, 13 of 14 patients had positive (11)C-choline PET/CT for metastatic spread, while after 6 months of ADT administration in 9 of 14 patients (11)C-choline PET/CT became negative. CONCLUSION: These preliminary results suggest that ADT significantly reduces (11)C-choline uptake in androgen-sensitive PC patients. | |
| Data prodotto definitivo in UGOV: | 2014-04-08 18:21:19 | |
| Data stato definitivo: | 2015-12-29T18:52:16Z | |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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