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2D and 3D refraction based x-ray imaging suitable for clinical and pathological diagnosis

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单位： [1]Tokyo Univ Sci, Inst Sci & Technol, Yamasaki 2641, Chiba 2788510, Japan [2]Photon Factory, IMSS, KEK, Tsukuba, Ibaraki 3058510, Japan [3]GUAS, Dept Photo Sci, Kanagawa 2400193, Japan [4]Univ Tsukuba, Dept Breast Thyroid Endocrine Surg, Tsukuba, Ibaraki 3058573, Japan [5]China Japan Friendship Hosp, Beijing 100029, Peoples R China [6]Kyushu Inst Technol, Dept Mat Sci, Kitakyushu, Fukuoka 8048550, Japan [7]Catholic Univ Daegu, Sch Med, Dept Anat, Daegu 705718, South Korea [8]Natl Hosp Org, Nagoya Med Ctr, Dept Radiol, Naka Ku, Nagoya, Aichi 460001, Japan [9]Natl Canc Ctr Res Inst E, Kashiwa, Chiba 2778577, Japan [10]Chinese Acad Sci, IHEP, Beijing Synchrotron Radiat Facility, Beijing 100039, Peoples R China [11]Natl Hosp Org, Nagoya Med Ctr, Dept Pathol, Naka Ku, Nagoya, Aichi 4600001, Japan [12]Seoul Natl Univ, Thorac & Cardiovascular Surg, Seoul 463707, South Korea [13]Catholic Univ Daegu, Dept Diagnost Radiol & Biomed Engn, Daegu 705718, South Korea [14]Kobe Univ, Dept Environm Med, Kobe, Hyogo 6500017, Japan [15]Seoul Natl Univ Hosp, Dept Radiol, Seoul 110744, South Korea [16]Kobe Univ, Dept Pathol, Kobe, Hyogo 6500017, Japan [17]Catholic Univ Daegu, Dept Gen Surg, Daegu 705718, South Korea [18]Ibaraki Prefectural Univ Hlth Sci, Ibaraki 3000394, Japan [19]Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China [20]Kobe Univ, Inst Genome, Kobe, Hyogo 6500017, Japan [21]Yamagata Univ, Fac Engn, Yamagata 9928510, Japan

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关键词： X-ray refraction X-ray dark-field imaging (XDFI) DEI breast cancer DCIS pathological diagnosis clinical diagnosis ductus lactiferi

摘要：

The first observation of micro papillary (NT) breast cancer by x-ray dark-field imaging (XDFI) and the first observation of the 3D x-ray internal structure of another breast cancer, ductal carcinoma in-sita (I)CIS), are reported. The specimen size for the sheet-shaped NT was 26 nim x 22 nun x 2.8 mm, and that for the rod-shaped DCIS was 3.6 min in diameter and 4.7 mm in height. The experiment was performed at the Photon Factory, KEK: High Energy Accelerator Research Organization. We achieved a high-contrast x-ray image by adopting a thickness-controlled transmission-type angular analyzer that allows only refraction components from the object for 2D imaging. This provides a high-contrast image of cancer-cell nests, cancer cells and stroma. For x-ray 3D imaging, a new algorithm due to the refraction for x-ray CT was createcL The angular information was acquired by x-ray optics diffraction-enhanced imaging (DEI). The number of data was 900 for each reconstruction. A reconstructed CT image may include ductus lactiferi, micro calcification and the breast gland. This modality has the possibility to open up a new clinical and pathological diagnosis using x-ray, offering more precise inspection and detection of early signs of breast cancer.

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第一作者单位： [1]Tokyo Univ Sci, Inst Sci & Technol, Yamasaki 2641, Chiba 2788510, Japan [2]Photon Factory, IMSS, KEK, Tsukuba, Ibaraki 3058510, Japan [3]GUAS, Dept Photo Sci, Kanagawa 2400193, Japan

通讯作者：

通讯机构： [1]Tokyo Univ Sci, Inst Sci & Technol, Yamasaki 2641, Chiba 2788510, Japan [2]Photon Factory, IMSS, KEK, Tsukuba, Ibaraki 3058510, Japan [3]GUAS, Dept Photo Sci, Kanagawa 2400193, Japan

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2D and 3D refraction based x-ray imaging suitable for clinical and pathological diagnosis

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