Search Results 1-20 of 636

  • A preliminary study on deformation analysis of collapsed lung using intraoperative CBCT images  [in Japanese]

    前川 日南子 , 中尾 恵 , 峯浦 一貴 , 芳川 豊史 , 松田 哲也

    … 肺は手術時に虚脱するため,肺内部に複数発生しうる微小結節の位置同定が望まれる.術中に撮像されたCone-beam CT(CBCT) 画像により,肺全体の虚脱変形を推定するモデルを構築できる可能性がある.本研究では手術室において含気状態と虚脱状態で撮像された Paired CBCT 画像の位置合わせを行い,術中気胸の変形解析を行った.部分観測された大きな回転を含むデータに対応した位 …

    電子情報通信学会技術報告 (MI) 119(399), 31-36, 2020-01-22

    IR 

  • Development of limited volume high-resolution cone-beam CT and application to orthodontics  [in Japanese]

    ARAI Yoshinori

    … 歯科医療において,三次元で顎骨および歯を観察することが求められたが,被曝線量・解像力・装置の大きさなどの問題があった.これを,撮影範囲を高さ3 cm×直径4 cmと限定する小照射野・高解像力歯科用CT装置(以下CBCT)によって解決した.歯科矯正治療では,より広範囲の撮影範囲で,かつ低被曝が求められた.しかしながら,撮影範囲の拡大と低被曝化は相反関係にある.低被曝な条件下でのCBCTであっても, …

    THE JOURNAL OF JAPANESE SOCIETY FOR DENTAL MATERIALS AND DEVICES 39(2), 162-167, 2020

    J-STAGE 

  • Recent progress in and future perspectives on orthodontic materials  [in Japanese]

    IIJIMA Masahiro , KAWAMURA Naohiko , ENAMI Yumiko

    … 点が多い.近年の歯科矯正治療では,アンカースクリューやミニプレートを用いたスケレタルアンカレッジの概念や治療過程に添ったセットアップ模型と熱可塑性樹脂から作製されるマウスピース型矯正装置(アライナー型矯正装置)も利用されるようになった.また,口腔内スキャナによる光学印象やコーンビームCTによる三次元情報を利用して作成するカスタムメイドタイプの装置も利用されるようなった.</p> …

    THE JOURNAL OF JAPANESE SOCIETY FOR DENTAL MATERIALS AND DEVICES 39(2), 155-161, 2020

    J-STAGE 

  • Image quality improvement of cone beam CT during treatment using iterative reconstruction  [in Japanese]

    Mano Kosuke , Hashimoto Takeyuki

    … <p>放射線治療中にcone beam computed tomography (CBCT)を撮影すると,投影の収集角度が不等間隔になることと収集領域が限定されることの2つの収集制限により再構成画像の画質が低下する。 …

    JOURNAL OF THE KYORIN MEDICAL SOCIETY 51(2), 93-101, 2020

    J-STAGE 

  • Scatter Radiation Intensities during Transforaminal Lumbar Interbody Fusion Using a Mobile C-arm System  [in Japanese]

    Fukunaga Masaaki , Matsubara Kosuke , Takei Yasutaka , Mitsui Hideki , Kameiyama Hiroaki , Tanaka Takanao , Ichikawa Shota

    … Dosimetry was performed with anterior-posterior and lateral continuous fluoroscopy, and cone beam computed tomography (CT). …

    Japanese Journal of Radiological Technology 76(6), 572-578, 2020

    J-STAGE 

  • TACE Guidance Software Produced by Philips Healthcare (EmboGuide)  [in Japanese]

    Miyayama Shiro

    … Automated tumor-feeder detection software (AFD) using computed tomography (CT) or cone-beam CT (CBCT) technology is a new tool of three-dimensional vessel-tracking. …

    The Official Journal of the Japanese Society of Interventional Radiology 34(4), 256-267, 2020

    J-STAGE 

  • Siemens Application Software Supporting Targeted Chemoembolization  [in Japanese]

    Hamuro Masao , Yamamoto Akira , Takao Yoshinori , Ichida Takao , Miki Yukio

    … The advantages of this software include the flexibility to utilize both automatic and manual detection modes in a complementary manner, and the adaptability to process a variety of images including C-arm CT (cone-beam CT), IVR-CT (multi-detector row CT) and other modalities like contrast enhanced MRI. … We mainly use it with IVR-CT. …

    The Official Journal of the Japanese Society of Interventional Radiology 34(4), 236-245, 2020

    J-STAGE 

  • Prediction of Embolic Area Using Cone Beam CT and Commercially Available 3-dimensional Workstation (Synapse Vincent)  [in Japanese]

    Kinoshita Mitsuhiro

    … At our hospital, we analyzed the data from the perfusion area of the target hepatic artery obtained using a cone beam CT during hepatic arteriography and during transarterial chemoembolization (TACE) using a commercially available 3-dimensional workstation and its software. …

    The Official Journal of the Japanese Society of Interventional Radiology 34(4), 268-272, 2020

    J-STAGE 

  • Advantage of FlightPlan for Liver During Selective TACE for HCC  [in Japanese]

    Anai Hiroshi

    … The data collection of FPFL is simple compared to conventional cone beam CT. …

    The Official Journal of the Japanese Society of Interventional Radiology 34(4), 246-255, 2020

    J-STAGE 

  • Performance of Embolization Plan (CANON MEDICAL SYSTEMS) in Feeder Detection  [in Japanese]

    Kubo Takatoshi , Sone Miyuki , Arai Yasuaki , Abe Osamu

    … Automated feeder detection software of Canon Medical Systems (Embolization Plan: EP) uses computed tomography (CT) images to identify feeding arteries. … Compared to AFD using cone beam CT images, EP can utilize various kinds of CT images without depending on the imaging equipment, making it extremely versatile. …

    The Official Journal of the Japanese Society of Interventional Radiology 34(4), 228-235, 2020

    J-STAGE 

  • MRI Connecting Functions and Anatomy: A New Bridge for Radiotherapy  [in Japanese]

    IIMA Mami , TOGASHI Kaori , IIZUKA Yusuke , MATSUO Yukinori , TAKAYAMA Kenji , NAKAMOTO Yuji , YAMAMOTO Akira , KATAOKA Masako , ISHIMORI Takayoshi , MIZOWAKI Takashi

    … <p>Advances in medical devices have allowed the use of CT, MRI, and PET-CT for the diagnosis of tumors and the detailed evaluation of the extent of lesions. … For several decades, CT has been established as the gold standard modality for the treatment planning of radiotherapy, while MRI has emerged as a tool to evaluate the functional characteristics of tumors without radiation exposure. …

    Japanese Journal of Medical Physics (Igakubutsuri) 40(1), 3-7, 2020

    J-STAGE 

  • Periodontal tissue regeneration therapy using dental CT and a 3D printer  [in Japanese]

    Fukaya Meri , Suzuki Ayaka , Funatsu Taichiro , Matsushima Yuji , Yashima Akihiro , Nagano Takatoshi , Gomi Kazuhiro

    … <p>歯科用CT装置(CBCT)は,診断に必要な部位とその周囲組織の3次元的形態を評価できるだけでなく,指定した部位からの距離や角度の計測も可能である。 …

    Nihon Shishubyo Gakkai Kaishi (Journal of the Japanese Society of Periodontology) 62(1), 27-37, 2020

    J-STAGE  Ichushi Web 

  • One-year Follow-up of Maxillary Right First and Second Molars Sealed with Bioactive Glass-based Root Canal Sealer Using the Single-cone Obturation Technique  [in Japanese]

    Ayako WASHIO , Masafumi ODA , Yasuhiro MORIMOTO , Chiaki KITAMURA

    … 口腔内診査, 口内法エックス線撮影, および歯科用コーンビームCT (CBCT) 撮影から上顎右側第一・第二大臼歯の慢性根尖膿瘍と診断した. …

    The Japanese Journal of Conservative Dentistry 63(1), 90-95, 2020

    J-STAGE  Ichushi Web 

  • Evaluation of root anatomy and root canal configurations in a Japanese population using dental cone-beam computed tomography : Maxillary premolars  [in Japanese]

    Atsushi OGAWA , Shotaro SEKI

    … <p><b>Abstract : </b>Purpose : The aim of this study was to evaluate the number of roots and root canal configurations of maxillary premolars in a Japanese population using dental cone-beam computed tomography (CBCT).</p><p> Materials and methods : We analyzed the CBCT images of 267 maxillary first premolars and 266 second premolars from a total of 145 patients for the following parameters : (1) the number of roots and root canals ; …

    The Journal of Japan Endodontic Association 41(1), 16-21, 2020

    J-STAGE  Ichushi Web 

  • The Anterior Condylar Arteriovenous Fistula from the Viewpoint of the Osseous Venous Anatomy  [in Japanese]

    MIZUTANI Katsuhiro , AKIYAMA Takenori , YOSHIDA Kazunari

    <p>Anterior condylar arteriovenous fistula(AVF)は舌下神経管周囲に形成される比較的稀なdural arteriovenous fistula(DAVF)の一型であり,一般的には舌下神経管内のanterior condylar vein にAVF が形成されると考えられてきた.最近の研究で,舌下神経管の周囲にはanterior condyla …

    No Kekkannai Chiryo 5(1), 56-64, 2020

    J-STAGE 

  • Navigation-assisted spinal surgery using automatic registration in the hybrid operating room  [in Japanese]

    山崎 良二 , 橋本 国彦 , 有賀 健太 , 和田 英路

    Bone joint nerve : BJN 9(4), 587-595, 2019-10

  • Dental Cone-beam CT : Basics and Clinical Applications  [in Japanese]

    岡野 友宏

    歯科学報 = The journal of the Tokyo Dental College Society 119(3), 169-178, 2019-06

    IR  DOI  Ichushi Web 

  • Fourth molar: A retrospective study and literature review of a rare clinical entity

    Bamgbose Babatunde O. , Okada Shunsuke , Hisatomi Miki , Yanagi Yoshinobu , Takeshita Yohei , Abdu Zahrau Saleh , Ekuase Edugie J. , Asaumi Jun-ichi

    … The sampling frame included all patients who had panoramic radiographs, cone-beam computed tomography (CT), and multislice CT images during the period under review.ResultsA total of 26,721 cases were reviewed and 87 fourth molars were identified. …

    Imagining Science in Dentistry 49(1), 27-34, 2019-05-25

    IR 

  • Measurement accuracy of tooth length with the bisecting-angle technique and 3D panoramic radiography  [in Japanese]

    東 宗弘 , 高橋 萌 , 榑沼 歩 , 飯田 幸弘 , 勝又 明敏 , 村松 泰徳

    … 3D-pano画像、二等分法撮影画像(Dental)画像、歯科用コーンビームCT(CBCT)画像が撮影された。 …

    岐阜歯科学会雑誌 = The Journal of Gifu Dental Society 45(3), 149-156, 2019-02

    IR  Ichushi Web 

  • A novel definition of three-dimensional dental arch using cone-beam computed tomography  [in Japanese]

    坂上 勇太 , 坂本 信 , 森清 友亮 , 亀田 剛 , 小林 公一 , 坂井 幸子 , 遠藤 英昭 , 田邊 裕治

    臨床バイオメカニクス 40, 281-288, 2019

    Ichushi Web 

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