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Apparatus and method for cone beam volume computed tomography mammography

A tomography, computerized technique used in mammography, instruments for radiological diagnosis, computed tomography scanners, etc.

Inactive Publication Date: 2008-01-23
UNIVERSITY OF ROCHESTER
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above-mentioned problems with mammography do not solve the

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  • Apparatus and method for cone beam volume computed tomography mammography
  • Apparatus and method for cone beam volume computed tomography mammography
  • Apparatus and method for cone beam volume computed tomography mammography

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Embodiment Construction

[0074] Preferred and alternative embodiments of the present invention will be described in detail below with reference to the accompanying drawings, in which like reference numerals denote like parts.

[0075] The limitations of conventional mammography will be addressed by cone beam volume CT reconstruction using flat panel detectors. With cone beam geometry and flat panel detectors, a flat panel based cone beam volumetric computed tomography mammography (CBVCTM) imaging system can be configured as shown in Figure 2A-2F, and the breast can be obtained in one fast volume scan. A three-dimensional (3D) rendering of . In contrast to conventional mammography, the tablet-based CBVC™ system is able to tomographically separate an object of interest (eg a lesion) from other objects in adjacent planes (eg other lesions or calcifications). This 3D tomographic reconstruction eliminates lesion overlap and provides a complete and correct 3D representation of breast anatomy. The CBVCTM r...

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Abstract

A device (200) for producing a three-dimensional tomographic mammography image of a breast (B) of a patient (P), the device (200) presenting: a gantry frame (206); at least one motor (212, 214), for moving the gantry frame (206) to form a data acquisition geometry; a source (210) of radiation (C) attached to the gantry frame (206) to move with the gantry frame (206); a flat panel detector (208) attached to the gantry frame (206) to move with the gantry frame (206), the flat panel detector (208) being disposed in a path of the radiation (C); and a support (202) comprising a table (202) on which the patient (P) rests while projection images of the breast (B) are taken; the table (202) presents a through hole (204) so that the breast (B) to be scanned descends through the hole (204) in the table (202) into a breast holder (205) and the through hole (204) is disposed relative to the source (210) of radiation (C) and the flat panel detector (208) so that the breast (B) to be scanned only is disposed between the source (210) of radiation (C) and the flat panel detector (208).

Description

[0001] References to related applications [0002] This application claims priority to US Provisional Application No. 60 / 166223, filed November 18,1999. technical field [0003] The present invention relates to an apparatus and method for forming cone beam volume computed tomography breast images of a patient's breast. Background technique [0004] Breast cancer is a big health problem. In the United States, more than 180,000 new cases are diagnosed each year and nearly 45,000 women die from the disease. [0005] The clinical goal of breast imaging is to detect tumor material when it is as small as possible, preferably less than 10 mm in diameter. Women with 1-10 mm invasive breast cancer detected by mammography have been reported to have a 93% survival rate after 16 years. [0006] Ordinary masked film mammography (mammography) is currently the most effective early detection tool for breast cancer. However, mammography is relatively insensitive for detecting small breas...

Claims

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Application Information

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IPC IPC(8): A61B6/00A61B6/03A61B6/06
CPCA61B6/502A61B6/481A61B6/032A61B6/027A61B6/06A61B6/0435A61B6/504
Inventor 劳拉·宁
Owner UNIVERSITY OF ROCHESTER
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