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Shape Characterization of the Prostate and Urethra Applicable to the Design of a Trans-Urethral Ultrasound Imaging Probe for Prostate Brachytherapy Guidance by D.R. Holmes; B.J. Davis; C.C. Goulet; T.M. Wilson; L.A. Mynderse; M.G. Herman; R.A. Robb is a Medicine article available to read on EtoBox.
What is Shape Characterization of the Prostate and Urethra Applicable to the Design of a Trans-Urethral Ultrasound Imaging Probe for Prostate Brachytherapy Guidance about?
Materials/Methods: A cohort of 45 patients undergoing radical treatment for pelvic malignancies was enrolled in this prospective study. None had gross inguinal lymph node metastases. A pre-contrast MRI scan was obtained from the mid-abdomen to below the pelvic bone. Combidex (2.6 mg Fe/kg) was infused intravenously over 30 min, and a second MRI scan was performed 24 hours after the infusion. T2W and T2\* images 3 mm apart were acquired and imported to a 3D image analysis program (3D-Doctor, Able Software Corp., Lexington, MA) for nodal identification and evaluation. The number and size of the inguinal nodes, depth from the skin surface, and distance from the femoral artery were recorded. Results: The median number of right inguinal nodes was 7 (range 2-11) while on the left it was 6.5 (1-11). Median size was 0.6 (0.2-1.2) cm. The median depth from the skin surface was 2.3 (1-6.3) cm on the right and 2.8 (1.5-7.1) cm on the left. Distance from the right femoral artery was 1.8 (0.7-4.1) cm, and from the left 1.9 (0.7-4.5) cm. Conclusions: MRI images enhanced with Combidex reliably identifies inguinal lymph nodes and provided a reference for adjuvant radiation treatment planning. Thes
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- Author
- D.R. Holmes; B.J. Davis; C.C. Goulet; T.M. Wilson; L.A. Mynderse; M.G. Herman; R.A. Robb
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0360-3016)
- Published
- 2005
- Language
- EN
- Field
- Medicine (Health Sciences)