Search Results - "KAIDA, Hayato"

Attenuation correction using deep learning for brain perfusion SPECT images by Sakaguchi, Kenta, Kaida, Hayato, Yoshida, Shuhei, Ishii, Kazunari

“…Objective Non-uniform attenuation correction using computed tomography (CT) improves the image quality and quantification of single-photon emission computed…”
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Recent topics in fibroblast activation protein inhibitor-PET/CT: clinical and pharmacological aspects by Nakamoto, Yuji, Baba, Shingo, Kaida, Hayato, Manabe, Osamu, Uehara, Tomoya

“…Recently, positron emission tomography (PET) with fibroblast activation protein inhibitor (FAPI) has gained significant attention as an advanced tumor…”
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Initial evaluation of a new maximum-likelihood attenuation correction factor-based attenuation correction for time-of-flight brain PET by Mizuta, Tetsuro, Kobayashi, Tetsuya, Yamakawa, Yoshiyuki, Hanaoka, Kohei, Watanabe, Shota, Morimoto-Ishikawa, Daisuke, Yamada, Takahiro, Kaida, Hayato, Ishii, Kazunari

“…Aim The aim of this study was to evaluate an image reconstruction algorithm, including a new maximum-likelihood attenuation correction factor (ML-ACF) for time…”
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Emphysematous Pyelonephritis by Hirose, Yasumitsu, Kaida, Hayato

“…A 51-year-old man presented with fever and general malaise of 2 weeks' duration. He had poorly controlled diabetes mellitus at the time of presentation…”
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High 11C-Methionine Uptake in a Parasellar Inflammatory Pseudotumor by Kaida, Hayato, Okuda, Takeshi, Hanaoka, Kohei, Ishii, Kazunari

“…A 20-year-old man had left visual impairment and homonymous hemianopsia. MRI findings suggested enlargement of an optic glioma, because optic glioma was…”
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Visualization of tumor hypoxia and re-oxygenation after stereotactic body radiation therapy in early peripheral lung cancer: A prospective study by Inada, Masahiro, Nishimura, Yasumasa, Hanaoka, Kohei, Nakamatsu, Kiyoshi, Doi, Hiroshi, Uehara, Takuya, Komanishi, Mikihito, Ishii, Kazunari, Kaida, Hayato, Hosono, Makoto

“…•・Impact of tumor hypoxia and reoxygenation is unclear in area of lung SBRT.•・Hypoxia and reoxygenation were visualized using F-MISO PET in the prospective…”
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Attenuation correction for phantom tests: an alternative to maximum-likelihood attenuation correction factor-based correction for clinical studies in time-of-flight PET by Mizuta, Tetsuro, Yamakawa, Yoshiyuki, Minagawa, Suzuka, Kobayashi, Tetsuya, Ohtani, Atsushi, Takenouchi, Shiho, Hanaoka, Kohei, Watanabe, Shota, Morimoto-Ishikawa, Daisuke, Yamada, Takahiro, Kaida, Hayato, Ishii, Kazunari

“…Objectives This study evaluates the phantom attenuation correction (PAC) method as an alternative to maximum-likelihood attenuation correction factor (ML-ACF)…”
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AI approach of cycle-consistent generative adversarial networks to synthesize PET images to train computer-aided diagnosis algorithm for dementia by Kimura, Yuichi, Watanabe, Aya, Yamada, Takahiro, Watanabe, Shogo, Nagaoka, Takashi, Nemoto, Mitsutaka, Miyazaki, Koichi, Hanaoka, Kohei, Kaida, Hayato, Ishii, Kazunari

“…Objective An artificial intelligence (AI)-based algorithm typically requires a considerable amount of training data; however, few training images are available…”
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The Tight Medial and High Convexity Subarachnoid Spaces Is the First Finding of Idiopathic Normal Pressure Hydrocephalus at the Preclinical Stage by MIYAZAKI, Koichi, ISHII, Kazunari, HANAOKA, Kohei, KAIDA, Hayato, NAKAJIMA, Koichi

“…Disproportionately enlarged subarachnoid-space hydrocephalus (DESH) findings are often reported as characteristic radiological features of idiopathic normal…”
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High-Resolution Silicon Photomultiplier Time-of-Flight Dedicated Head PET System for Clinical Brain Studies by Ishii, Kazunari, Hanaoka, Kohei, Watanabe, Shota, Morimoto-Ishikawa, Daisuke, Yamada, Takahiro, Kaida, Hayato, Yamakawa, Yoshiyuki, Minagawa, Suzuka, Takenouchi, Shiho, Ohtani, Atsushi, Mizuta, Tetsuro

“…We acquired brain F-FDG and F-flutemetamol PET images using a time-of-flight system dedicated to the head (dhPET) and a conventional whole-body PET/CT (wbPET)…”
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18F-FDG PET/CT Finding of Primary Cardiac Lymphoma by Kaida, Hayato, Kumode, Takahiro, Kimura, Masatomo, Ishii, Kazunari

“…ABSTRACTAn 80-year-old woman experienced dyspnea. Cardiac enlargement was detected by chest radiography at a local hospital. She was admitted to our hospital,…”
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Predicting tumor response and prognosis to neoadjuvant chemotherapy in esophageal squamous cell carcinoma patients using PERCIST: a multicenter study in Japan by Kaida, Hayato, Kitajima, Kazuhiro, Nakajo, Masatoyo, Ishibashi, Mana, Matsunaga, Tomoyuki, Minamimoto, Ryogo, Hirata, Kenji, Nakatani, Koya, Hung, Ao, Hattori, Satoshi, Yasuda, Takushi, Ishii, Kazunari

“…Purpose To investigate the usefulness of the positron emission tomography response criteria in solid tumors 1.0 (PERCIST1.0) for predicting tumor response to…”
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Efficiency of a computer-aided diagnosis (CAD) system with deep learning in detection of pulmonary nodules on 1-mm-thick images of computed tomography by Kozuka, Takenori, Matsukubo, Yuko, Kadoba, Tomoya, Oda, Teruyoshi, Suzuki, Ayako, Hyodo, Tomoko, Im, SungWoon, Kaida, Hayato, Yagyu, Yukinobu, Tsurusaki, Masakatsu, Matsuki, Mitsuru, Ishii, Kazunari

“…Purpose To evaluate the performance of a deep learning-based computer-aided diagnosis (CAD) system at detecting pulmonary nodules on CT by comparing…”
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Impact of respiratory gating and ECG gating on 18F-FDG PET/CT for cardiac sarcoidosis by Hanaoka, Kohei, Watanabe, Shota, Morimoto-Ishikawa, Daisuke, Kaida, Hayato, Yamada, Takahiro, Yasuda, Masakazu, Iwanaga, Yoshitaka, Nakazawa, Gaku, Ishii, Kazunari

“…The aim of this study was to estimate the impact of respiratory and electrocardiogram (ECG)-gated FDG positron emission tomography (PET)/computed tomography…”
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Harmonized pretreatment quantitative volume-based FDG-PET/CT parameters for prognosis of stage I-III breast cancer: Multicenter study by Kitajima, Kazuhiro, Miyoshi, Yasuo, Sekine, Tetsuro, Takei, Hiroyuki, Ito, Kimiteru, Suto, Akihiko, Kaida, Hayato, Ishii, Kazunari, Daisaki, Hiromitsu, Yamakado, Koichiro

“…This study investigated harmonized pretreatment volume-based quantitative FDG-PET/CT parameters in breast cancer patients for prognostic value. During a median…”
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Response to neoadjuvant chemotherapy for breast cancer judged by PERCIST – multicenter study in Japan by Kitajima, Kazuhiro, Nakatani, Koya, Yamaguchi, Kazushige, Nakajo, Masatoyo, Tani, Atsushi, Ishibashi, Mana, Hosoya, Keiko, Morita, Takahiro, Kinoshita, Takayuki, Kaida, Hayato, Miyoshi, Yasuo

“…Purpose The purpose of this study was to evaluate therapeutic response to neoadjuvant chemotherapy (NAC) and predict breast cancer recurrence using Positron…”
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Localization of myocardial FDG uptake for prognostic risk stratification in corticosteroid-naïve cardiac sarcoidosis by Bekki, Munehisa, Tahara, Nobuhiro, Tahara, Atsuko, Sugiyama, Yoichi, Maeda-Ogata, Shoko, Honda, Akihiro, Igata, Sachiyo, Enomoto, Mika, Kakuma, Tatsuyuki, Kaida, Hayato, Abe, Toshi, Fukumoto, Yoshihiro

“…The localization of myocardial 18F-fluorodeoxyglucose (FDG) uptake affecting long-term clinical outcomes has not been elucidated in patients with…”
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The usefulness of the total metabolic tumor volume for predicting the postoperative recurrence of thoracic esophageal squamous cell carcinoma by Kaida, Hayato, Yasuda, Takushi, Shiraishi, Osamu, Kato, Hiroaki, Kimura, Yutaka, Hanaoka, Kohei, Yamada, Minoru, Matsukubo, Yuko, Tsurusaki, Masakatsu, Kitajima, Kazuhiro, Hattori, Satoshi, Ishii, Kazunari

“…Background Induction or adjuvant therapies are not always beneficial for thoracic esophageal squamous cell carcinoma (ESCC) patients, and it is thus important…”
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Positive Association Between Serum Level of Glyceraldehyde-Derived Advanced Glycation End Products and Vascular Inflammation Evaluated by [18F]Fluorodeoxyglucose Positron Emission Tomography by TAHARA, Nobuhiro, YAMAGISHI, Sho-Ichi, HAYABUCHI, Naofumi, MATSUI, Takanori, IMAIZUMI, Tsutomu, TAKEUCHI, Masayoshi, HOIVDA, Akihiro, TAHARA, Atsuko, NITTA, Yoshikazu, KODAMA, Norihiro, MIZOGUCHI, Minori, KAIDA, Hayato, ISHIBASHI, Masatoshi

“…Advanced glycation end products (AGEs) evoke inflammatory reactions, contributing to the development and progression of atherosclerosis. We investigated the…”
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Vascular/perivascular inflammation in IgG4-related disease by Imai, Shinichi, Tahara, Nobuhiro, Igata, Sachiyo, Tahara, Atsuko, Bekki, Munehisa, Sugiyama, Yoichi, Maeda-Ogata, Shoko, Honda, Akihiro, Otsuka, Hiroyuki, Ushijima, Tomoyuki, Okabe, Yoshinobu, Kaida, Hayato, Abe, Toshi, Tanaka, Hiroyuki, Fukumoto, Yoshihiro, Tayama, Eiki

“…Immunoglobulin G4-related disease (IgG4-RD) is characterized by the infiltration of IgG4-positive plasma cells and fibrosclerotic inflammation in multiple…”
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