Publication date: Available online 31 March 2017
Source:Revista Española de Medicina Nuclear e Imagen Molecular
Author(s): J. Cardona Arboniés, B. Rodríguez Alfonso, J. Mucientes Rasilla, C. Martínez Ballesteros, I. Zapata Paz, A. Prieto Soriano, J. Carballido Rodriguez, M. Mitjavila Casanovas
ObjetivoValorar la utilidad de la 18F-Colina PET/TC en la detección de enfermedad a distancia en la estadificación inicial de pacientes con cáncer de próstata de alto riesgo y en pacientes con recidiva bioquímica, con intención de planificación con radioterapia, así como valorar los cambios en el manejo terapéutico influenciados por los resultados de la misma.Material y métodosSe evaluaron de manera retrospectiva los estudios 18F-Colina PET/TC de pacientes con diagnóstico de adenocarcinoma de próstata, con indicación de estadificación inicial en pacientes de alto riesgo (o con sospecha de afectación a distancia) y/o planificación de radioterapia y en pacientes con recidiva bioquímica con intención de rescate con radioterapia con un seguimiento adecuado durante al menos 9 meses. Se seleccionaron un total de 56 estudios, 33 (58,93%) de estadificación y 23 (41,07%) de planificación de radioterapia.Para el estudio PET/TC se empleó un equipo multimodal PET/TC, la dosis empleada fue de 296-370MBq de 18F-Colina, con un protocolo de adquisición en 2 fases.ResultadosDel total de los 56 estudios, 43 (76,8%) fueron considerados positivos (para enfermedad local, a distancia o ambas) y 13 (23,2%) negativos.En 13 estudios (23,2%) los hallazgos de la 18F-Colina PET/TC modificaron la clasificación NM. En 4 de los 13 estudios (30,7%) bajó la clasificación (descartando afectación a distancia sospechada por otras técnicas) y en 9 (69,3%) detectó enfermedad a distancia no conocida.ConclusionesLa 18F-Colina PET/TC es una técnica útil en la estadificación, recurrencia bioquímica y planificación de radioterapia en el cáncer de próstata para localizar enfermedad a distancia no detectada con pruebas de imagen convencionales, por lo que deberían ampliarse sus indicaciones en las guías de manejo del mismo.ObjectiveTo evaluate the role of the 18F-Choline PET/CT in prostate cancer management when detecting distant disease in planning radiotherapy and staging and to evaluate the therapy changes guided by PET/TC results.Material and methodsA retrospective evaluation was performed on 18F-Choline PET/CT scans of patients with prostate cancer. Staging and planning radiotherapy scans were selected in patients with at least 9 months follow up. There was a total of 56 studies, 33 (58.93%) for staging, and 23 (41.07%) for planning radiotherapy. All scans were obtained using a hybrid PET/CT scanner. The PET/CT acquisition protocol consisted of a dual-phase procedure after the administration of an intravenous injection of 296-370MBq of 18F-Choline.ResultsThere were 43 out of 56 (76.8%) scans considered as positive, and 13 (23.2%) were negative. The TNM staging was changed in 13 (23.2%) scans. The PET/CT findings ruled out distant disease in 4 out of 13 scans, and unknown distant disease was detected in 9 (69.3%) scans.Conclusions18F-Choline PET/CT is a useful technique for detecting unknown distant disease in prostate cancer when staging and planning radiotherapy. The inclusion of 18F-choline PET/CT should be considered in prostate cancer management protocols.
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Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
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00302841026182
00306932607174
alsfakia@gmail.com
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Η λίστα ιστολογίων μου
Παρασκευή 31 Μαρτίου 2017
La PET/TC con 18F-Colina en la estadificación y recidiva bioquímica de pacientes con cáncer de próstata: cambios en la clasificación y planificación de radioterapia
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