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Visualizing the urethra by magnetic resonance imaging without usage of a catheter for radiotherapy of prostate cancer.
Yoshimura, Takaaki; Nishioka, Kentaro; Hashimoto, Takayuki; Fujiwara, Taro; Ishizaka, Kinya; Sugimori, Hiroyuki; Kogame, Shoki; Seki, Kazuya; Tamura, Hiroshi; Tanaka, Sodai; Matsuo, Yuto; Dekura, Yasuhiro; Kato, Fumi; Aoyama, Hidefumi; Shimizu, Shinichi.
Afiliación
  • Yoshimura T; Department of Health Sciences and Technology, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan.
  • Nishioka K; Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan.
  • Hashimoto T; Department of Radiation Medical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan.
  • Fujiwara T; Department of Radiation Medical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan.
  • Ishizaka K; Department of Radiation Technology, Hokkaido University Hospital, Sapporo, Japan.
  • Sugimori H; Department of Radiation Technology, Hokkaido University Hospital, Sapporo, Japan.
  • Kogame S; Department of Biomedical Science and Engineering, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan.
  • Seki K; Division of Radiological Science and Technology, Department of Health Sciences, School of Medicine, Hokkaido University, Sapporo, Japan.
  • Tamura H; Division of Radiological Science and Technology, Department of Health Sciences, School of Medicine, Hokkaido University, Sapporo, Japan.
  • Tanaka S; Department of Radiation Technology, Hokkaido University Hospital, Sapporo, Japan.
  • Matsuo Y; Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan.
  • Dekura Y; Faculty of Engineering, Hokkaido University, Sapporo, Japan.
  • Kato F; Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan.
  • Aoyama H; Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, Sapporo, Japan.
  • Shimizu S; Department of Diagnostic and Interventional Radiology, Hokkaido University Hospital, Sapporo, Japan.
Phys Imaging Radiat Oncol ; 18: 1-4, 2021 Apr.
Article en En | MEDLINE | ID: mdl-34258400
The urethra position may shift due to the presence/absence of the catheter. Our proposed post-urination-magnetic resonance imaging (PU-MRI) technique is possible to identify the urethra without catheter. We aimed to verify the inter-operator difference in contouring the urethra by PU-MRI. The mean values of the evaluation indices of dice similarity coefficient, mean slice-wise Hausdorff distance, and center coordinates were 0.93, 0.17 mm, and 0.36 mm for computed tomography, and 0.75, 0.44 mm, and 1.00 mm for PU-MRI. Therefore, PU-MRI might be useful for identifying the prostatic urinary tract without using a urethral catheter. Clinical trial registration: Hokkaido University Hospital for Clinical Research (018-0221).
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Imaging Radiat Oncol Año: 2021 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Imaging Radiat Oncol Año: 2021 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Países Bajos