Explanipedia

Correction: CT-derived extracellular volume fraction as a predictive marker for postoperative recurrence in pStage II–III gastric cancer Open

Yusuke Nishimuta, Daisuke Tsurumaru, Nobuhiro Fujita, Satohiro Kai, Junki Maehara , et al. · 2025

Learning Curve of Radiological Technologist Venipuncture Trainees in Nuclear Medicine Open

Tomoyuki Noguchi, Shuji Matsuura, Junki Maehara, Akihisa Kikuno, Takuji Ogura , et al. · 2024

PURPOSE This study evaluated RTc’s venipuncture learning performance according to our training program in nuclear medicine, requiring monitoring and comparison with physicians to ensure safety. METHODS During a three-month period, 162 and …

Correction to: Multiparametric assessment of microvascular invasion in hepatocellular carcinoma using gadoxetic acid-enhanced MRI Open

Nobuhiro Fujita, Yasuhiro Ushijima, Keisuke Ishimatsu, Daisuke Okamoto, Noriaki Wada , et al. · 2024

Extracellular volume fraction determined by equilibrium contrast-enhanced computed tomography: correlation with histopathological findings in gastric cancer Open

Yusuke Nishimuta, Daisuke Tsurumaru, Satohiro Kai, Junki Maehara, Yoshiki Asayama , et al. · 2023

Purpose To assess the relationship between histopathological features of gastric cancer and the extracellular volume fraction (ECV) measured by preoperative equilibrium contrast-enhanced computed tomography (CECT). Materials and methods Th…

Analysis of “visible in retrospect” to monitor false-negative findings in radiological reports Open

Tomoyuki Noguchi, Koji Yamashita, Shuji Matsuura, Ryotaro Kamei, Junki Maehara , et al. · 2022

Purpose False-negative findings in radiological reports can lead to serious adverse patient outcomes. We determined the frequency and tendency of false-negative findings in radiological reports by searching for words related to “visible in…

Current status and challenges of percutaneous vertebroplasty (PVP) Open

Tomoyuki Noguchi, Koji Yamashita, Ryotaro Kamei, Junki Maehara · 2022

Interobserver Reliability on Intravoxel Incoherent Motion Imaging in Patients with Acute Ischemic Stroke Open

Koji Yamashita, Ryotaro Kamei, Hiroshi Sugimori, Takahiro Kuwashiro, So Tokunaga , et al. · 2022

Intravoxel incoherent motion MR imaging could be performed in < 1 minute in addition to routine DWI. Intravoxel incoherent motion parameters noninvasively provide feasible, qualitative perfusion-related information for assessing patients w…

Accuracy of vertebral puncture in percutaneous vertebroplasty Open

Tomoyuki Noguchi, Koji Yamashita, Yoshitaka Shida, Takashi Okafuji, Ryotaro Kamei , et al. · 2021

Tumor microenvironment in giant cell tumor of bone: evaluation of PD-L1 expression and SIRPα infiltration after denosumab treatment Open

Yu Toda, Kenichi Kohashi, Hidetaka Yamamoto, Shin Ishihara, Yoshihiro Ito , et al. · 2021

Fatal Airway Inflammation Induced by Pembrolizumab in a Patient With NSCLC Open

Takunori Ogawa, Jun Miyata, Junki Maehara, Takashi Inoue, Tomoko Betsuyaku · 2018

Tumor Enhancement on Dynamic CT: A Predictive Factor for Recurrence After Nephrectomy in Localized T1 Clear Cell Renal Cell Carcinoma Open

Junki Maehara, Akihiro Nishie, Yoshiki Asayama, Kousei Ishigami, Yasuhiro Ushijima , et al. · 2018

Tumor enhancement in the nephrographic phase of CT was a predictive factor for recurrence after nephrectomy in patients with localized stage T1 ccRCC.

Primary phosphaturic mesenchymal tumour of the lumbar spine: utility of <sup>68</sup>Ga-DOTATOC PET/CT findings Open

Junki Maehara, Koji Yamashita, Akio Hiwatashi, Osamu Togao, Kazufumi Kikuchi , et al. · 2016

Primary phosphaturic mesenchymal tumours (PMTs) frequently occur in the soft tissue or bone, but rarely in the spine. The majority of patients experience long-term ostalgia and recurrent fractures. Detection of PMT can be challenging, but …

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