Prostate Brachytherapy With Oblique Needles to Treat Large Glands and Overcome Pubic Arch Interference

Purpose First, to show that low-dose-rate prostate brachytherapy plans using oblique needle trajectories are more successful than parallel trajectories for large prostates with pubic arch interference (PAI); second, to test the accuracy of delivering an oblique plan by using a three-dimensional (3D)...

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Veröffentlicht in:	International journal of radiation oncology, biology, physics biology, physics, 2012-08, Vol.83 (5), p.1463-1472
Hauptverfasser:	Ryu, Bon, M.Sc, Bax, Jeff, B.E.Sc, Edirisinge, Chandima, Ph.D, Lewis, Craig, M.Sc, Chen, Jeff, Ph.D, D’Souza, David, M.D, Fenster, Aaron, Ph.D, Wong, Eugene, Ph.D
Format:	Artikel
Sprache:	eng
Schlagworte:	ACCURACY Biological and medical sciences BRACHYTHERAPY Brachytherapy - instrumentation Brachytherapy - methods COMPARATIVE EVALUATIONS COMPUTERIZED TOMOGRAPHY Diseases of the urinary system DOSE RATES Feasibility Studies Genital system. Mammary gland Hematology, Oncology and Palliative Medicine Humans Image-guided surgery IODINE 125 Male Medical robotics Medical sciences Needles Oblique needles PHANTOMS Phantoms, Imaging PLANNING PROSTATE Prostate - diagnostic imaging Prostate therapy Prostatic Neoplasms - diagnostic imaging Prostatic Neoplasms - radiotherapy Pubic Bone - diagnostic imaging RADIATION DOSES Radiology RADIOLOGY AND NUCLEAR MEDICINE Radiotherapy, Image-Guided - methods Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) RECOMMENDATIONS Rectum - diagnostic imaging Robotics SURGERY ULTRASONOGRAPHY Ultrasonography, Interventional - methods Ultrasound guidance Urethra - diagnostic imaging
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Zusammenfassung:	Purpose First, to show that low-dose-rate prostate brachytherapy plans using oblique needle trajectories are more successful than parallel trajectories for large prostates with pubic arch interference (PAI); second, to test the accuracy of delivering an oblique plan by using a three-dimensional (3D) transrectal ultrasonography (TRUS)-guided mechatronic system. Methods and Materials Prostates were contoured for 5 subjects’ 3D TRUS images showing a maximum PAI of ≤1 cm and a prostate volume of
ISSN:	0360-3016 1879-355X
DOI:	10.1016/j.ijrobp.2011.10.012