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Development of RTOG consensus guidelines for the definition of the clinical target volume for postoperative conformal radiation therapy for prostate cancer.

Publication ,  Journal Article
Michalski, JM; Lawton, C; El Naqa, I; Ritter, M; O'Meara, E; Seider, MJ; Lee, WR; Rosenthal, SA; Pisansky, T; Catton, C; Valicenti, RK ...
Published in: Int J Radiat Oncol Biol Phys
February 1, 2010

PURPOSE: To define a prostate fossa clinical target volume (PF-CTV) for Radiation Therapy Oncology Group (RTOG) trials using postoperative radiotherapy for prostate cancer. METHODS AND MATERIALS: An RTOG-sponsored meeting was held to define an appropriate PF-CTV after radical prostatectomy. Data were presented describing radiographic failure patterns after surgery. Target volumes used in previous trials were reviewed. Using contours independently submitted by 13 radiation oncologists, a statistical imputation method derived a preliminary "consensus" PF-CTV. RESULTS: Starting from the model-derived CTV, consensus was reached for a CT image-based PF-CTV. The PF-CTV should extend superiorly from the level of the caudal vas deferens remnant to >8-12 mm inferior to vesicourethral anastomosis (VUA). Below the superior border of the pubic symphysis, the anterior border extends to the posterior aspect of the pubis and posteriorly to the rectum, where it may be concave at the level of the VUA. At this level, the lateral border extends to the levator ani. Above the pubic symphysis, the anterior border should encompass the posterior 1-2 cm of the bladder wall; posteriorly, it is bounded by the mesorectal fascia. At this level, the lateral border is the sacrorectogenitopubic fascia. Seminal vesicle remnants, if present, should be included in the CTV if there is pathologic evidence of their involvement. CONCLUSIONS: Consensus on postoperative PF-CTV for RT after prostatectomy was reached and is available as a CT image atlas on the RTOG website. This will allow uniformity in defining PF-CTV for clinical trials that include postprostatectomy RT.

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Published In

Int J Radiat Oncol Biol Phys

DOI

EISSN

1879-355X

Publication Date

February 1, 2010

Volume

76

Issue

2

Start / End Page

361 / 368

Location

United States

Related Subject Headings

  • Vas Deferens
  • Urinary Bladder
  • Urethra
  • Tumor Burden
  • Tomography, X-Ray Computed
  • Societies, Medical
  • Seminal Vesicles
  • Rectum
  • Radiotherapy, Conformal
  • Radiotherapy Dosage
 

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Michalski, J. M., Lawton, C., El Naqa, I., Ritter, M., O’Meara, E., Seider, M. J., … Ménard, C. (2010). Development of RTOG consensus guidelines for the definition of the clinical target volume for postoperative conformal radiation therapy for prostate cancer. Int J Radiat Oncol Biol Phys, 76(2), 361–368. https://doi.org/10.1016/j.ijrobp.2009.02.006
Michalski, Jeff M., Colleen Lawton, Issam El Naqa, Mark Ritter, Elizabeth O’Meara, Michael J. Seider, W Robert Lee, et al. “Development of RTOG consensus guidelines for the definition of the clinical target volume for postoperative conformal radiation therapy for prostate cancer.Int J Radiat Oncol Biol Phys 76, no. 2 (February 1, 2010): 361–68. https://doi.org/10.1016/j.ijrobp.2009.02.006.
Michalski JM, Lawton C, El Naqa I, Ritter M, O’Meara E, Seider MJ, et al. Development of RTOG consensus guidelines for the definition of the clinical target volume for postoperative conformal radiation therapy for prostate cancer. Int J Radiat Oncol Biol Phys. 2010 Feb 1;76(2):361–8.
Michalski, Jeff M., et al. “Development of RTOG consensus guidelines for the definition of the clinical target volume for postoperative conformal radiation therapy for prostate cancer.Int J Radiat Oncol Biol Phys, vol. 76, no. 2, Feb. 2010, pp. 361–68. Pubmed, doi:10.1016/j.ijrobp.2009.02.006.
Michalski JM, Lawton C, El Naqa I, Ritter M, O’Meara E, Seider MJ, Lee WR, Rosenthal SA, Pisansky T, Catton C, Valicenti RK, Zietman AL, Bosch WR, Sandler H, Buyyounouski MK, Ménard C. Development of RTOG consensus guidelines for the definition of the clinical target volume for postoperative conformal radiation therapy for prostate cancer. Int J Radiat Oncol Biol Phys. 2010 Feb 1;76(2):361–368.
Journal cover image

Published In

Int J Radiat Oncol Biol Phys

DOI

EISSN

1879-355X

Publication Date

February 1, 2010

Volume

76

Issue

2

Start / End Page

361 / 368

Location

United States

Related Subject Headings

  • Vas Deferens
  • Urinary Bladder
  • Urethra
  • Tumor Burden
  • Tomography, X-Ray Computed
  • Societies, Medical
  • Seminal Vesicles
  • Rectum
  • Radiotherapy, Conformal
  • Radiotherapy Dosage