OBJECTIVE To evaluate a novel approach with intraoperative radiotherapy (IORT) administered in the surgical field, after pelvic lymphadenectomy (PL) and before radical retropubic prostatectomy (RRP), evaluating acute and late toxicity, complications and biochemical progression-free survival (bPFS), as the adequate treatment of locally advanced prostate cancer is still a controversial issue. PATIENTS AND METHODS Between June 2005 and October 2007, 33 consecutive patients with intermediate-risk or locally advanced prostate cancer were selected for PL + IORT + RRP. IORT was delivered by a mobile linear accelerator in the operating room (electron beam, 12 Gy at 90% isodose). According to the pathological findings further adjuvant radio- or hormone therapy could be administered. The median follow-up was 16 months. This group was compared retrospectively with a historical group of 100 patients who had undergone RRP and further adjuvant therapy, selected with equivalent criteria. The comparison was conducted as a matched-pair analysis. The perioperative outcomes (surgical time, estimated blood loss, blood transfusions, days of catheterization, days of drainage, days of hospitalization), continence as the functional outcome, acute and late toxicity, rate of complications and bPFS were evaluated and compared. RESULTS The baseline characteristics of the two groups were equivalent but the node count and the number of positive lymph nodes was higher in the IORT group. The IORT group had longer surgery, and a shorter hospital stay and catheterization. There were no differences in continence rate, and no major complications in either group. The acute and late toxicity and bPFS were equivalent. A retrospective comparison and the short follow-up were the major limitations. CONCLUSIONS IORT administered before RRP seems a feasible approach, with little effect on the variables evaluated.
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|Data di pubblicazione:||2009|
|Titolo:||Intraoperative radiotherapy during radical prostatectomy for intermediate-risk to locally advanced prostate cancer: treatment technique and evaluation of perioperative and functional outcome vs standard radical prostatectomy, in a matched-pair analysis|
|Autori:||Rocco B; Jereczek-Fossa Barbara A.; Matei Deliu-Victor; Verweij Fabrizio; Santoro Luigi; Vavassori Andrea; Ospina Juan Camillo; Cedeira Francisco; Ciocca Mario; Orecchia Roberto; de Cobelli Ottavio|
|Digital Object Identifier (DOI):||10.1111/j.1464-410X.2009.08668.x|
|Appare nelle tipologie:||Articolo su rivista|
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