Daily positioning accuracy of frameless stereotactic radiation therapy with a fusion of computed tomography and linear accelerator (focal) unit:: evaluation of z-axis with a z-marker

被引:35
作者
Uematsu, M
Sonderegger, M
Shioda, A
Tahara, K
Fukui, T
Hama, Y
Kojima, T
Wong, JR
Kusano, S
机构
[1] Natl Def Med Coll, Div Radiat Oncol, Tokorozawa, Saitama 359, Japan
[2] Univ Tokyo, Dept Precis Machinery Engn, Bunkyo Ku, Tokyo 113, Japan
[3] Morristown Mem Hosp, Dept Radiat Oncol, Morristown, NJ 07962 USA
关键词
radiotherapy; stereotactic; frameless; fractionated; treatment unit; geometrical errors;
D O I
10.1016/S0167-8140(99)00037-7
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
To evaluate quantitative positioning errors of frameless stereotactic radiation therapy with a fusion of computed tomography (CT) and linear accelerator unit, Z-type CT markers were attached to patients, and CT images were obtained before and after daily treatment. In 40 verification tests, geometrical errors were never more than 1 mm. (C) 1999 Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码:337 / 339
页数:3
相关论文
共 20 条
  • [1] The university of Florida frameless high-precision stereotactic radiotherapy system
    Bova, FJ
    Buatti, JM
    Friedman, WA
    Mendenhall, WM
    Yang, CC
    Liu, C
    [J]. INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 1997, 38 (04): : 875 - 882
  • [2] FRACTIONATED RADIOTHERAPY OF SMALL INOPERABLE LESIONS OF THE BRAIN USING A NONINVASIVE STEREOTAXIC FRAME
    DELANNES, M
    DALY, NJ
    BONNET, J
    SABATIER, J
    TREMOULET, M
    [J]. INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 1991, 21 (03): : 749 - 755
  • [3] STEREOTAXIC RADIOTHERAPY FOR PEDIATRIC AND ADULT BRAIN-TUMORS - PRELIMINARY-REPORT
    DUNBAR, SF
    TARBELL, NJ
    KOOY, HM
    ALEXANDER, E
    BLACK, PM
    BARNES, PD
    GOUMNEROVA, L
    SCOTT, RM
    POMEROY, SL
    LAVALLY, B
    SALLAN, SE
    LOEFFLER, JS
    [J]. INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 1994, 30 (03): : 531 - 539
  • [4] RELOCATABLE FRAME FOR STEREOTAXIC EXTERNAL BEAM RADIOTHERAPY
    GILL, SS
    THOMAS, DGT
    WARRINGTON, AP
    BRADA, M
    [J]. INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 1991, 20 (03): : 599 - 603
  • [5] A NONINVASIVE, RELOCATABLE STEREOTAXIC FRAME FOR FRACTIONATED RADIOTHERAPY AND MULTIPLE IMAGING
    GRAHAM, JD
    WARRINGTON, AP
    GILL, SS
    BRADA, M
    [J]. RADIOTHERAPY AND ONCOLOGY, 1991, 21 (01) : 60 - 62
  • [6] HARIZ MI, 1986, APPL NEUROPHYSIOL, V49, P336
  • [7] A NONINVASIVE METHOD FOR FRACTIONATED STEREOTACTIC IRRADIATION OF BRAIN-TUMORS WITH LINEAR-ACCELERATOR
    HARIZ, MI
    HENRIKSSON, R
    LOFROTH, PO
    LAITINEN, LV
    SATERBORG, NE
    [J]. RADIOTHERAPY AND ONCOLOGY, 1990, 17 (01) : 57 - 72
  • [8] HODAPP N, 1994, ACT NEUR S, V62, P101
  • [9] ADAPTATION AND VERIFICATION OF THE RELOCATABLE GILL-THOMAS-COSMAN FRAME IN STEREOTAXIC RADIOTHERAPY
    KOOY, HM
    DUNBAR, SF
    TARBELL, NJ
    MANNARINO, E
    FERARRO, N
    SHUSTERMAN, S
    BELLERIVE, M
    FINN, L
    MCDONOUGH, CV
    LOEFFLER, JS
    [J]. INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 1994, 30 (03): : 685 - 691
  • [10] FEASIBILITY OF PATIENT IMMOBILIZATION FOR CONVENTIONAL CRANIAL IRRADIATION WITH A RELOCATABLE STEREOTAXIC FRAME
    LAING, RW
    THOMPSON, V
    WARRINGTON, AP
    BRADA, M
    [J]. BRITISH JOURNAL OF RADIOLOGY, 1993, 66 (791) : 1020 - 1024