ArticleNuclear medicine communications2019
Effect of positive carbon-11-choline PET/CT results in the therapeutic management of prostate cancer biochemical relapse.
Article in Nuclear medicine communications, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveCarbon-11-(C)-choline PET/computed tomography (CT) has shown good results in re-staging of prostate cancer (PCa) with raised serum levels of prostate-specific antigen. Our aim was to evaluate the effect of positive C-choline PET/CT results in the therapeutic management of patients with PCa with biochemical relapse (BR) after curative intention treatment. PATIENTS AND
methodsA total of 112 patients with PCa BR and positive C-choline PET/CT were retrospectively evaluated. PET/CT was acquired 20 min after intravenous administration of 555-740 MBq of C-choline. The therapeutic management after C-choline PET/CT was obtained from the clinical records. The minimum follow-up time was 18 months.
resultsIn 80 (71.4%) of 112 patients, C-choline PET/CT showed local recurrence of PCa; in 17 (15.2%) patients, distant recurrence; and in 15 (13.4%) patients, local plus distant recurrence. A second malignancy was detected in five (4.5%) patients. The planned therapeutic management was changed as per positive C-choline PET/CT result in 74 (66.1%) patients and were treated as follows: 31 (27.7%) patients with HT, combined with other treatments in eight (7.1%), 17 (15.2%) with BT, 13 (11.6%) with external beam radiotherapy, one (0.9%) with RP, and four (3.6%) with chemotherapy. Treatment approach was not modified in 37 (33%) patients. No data was available from one (0.9%) patient.
conclusionPositive C-choline PET/CT result had an important effect in the therapeutic management of patients with PCa and BR, leading to a change in the planned approach in two (66.1%) out of three patients. In addition, in 4.5% of the patients, the C-choline PET/CT allowed the detection of a second malignancy.
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