Takuya Ishikawa

Pretreatment Contrast‐Enhanced Harmonic EUS Predicts Pathological Response and Recurrence‐Free Survival After Multimodal Treatment in Resectable Pancreatic Cancer

Yuichi Kano, Takuya Ishikawa, Kentaro Yamao, Yasuyuki Mizutani et autres

OBJECTIVES: Recurrence remains common in resectable pancreatic cancer (PC) despite multimodal treatment. We evaluated whether pretreatment contrast-enhanced harmonic endoscopic ultrasonography (CH-EUS) predicts pathological response and recurrence-free survival (RFS). METHODS: We retrospectively analyzed 52 patients with resectable PC who underwent CH-EUS before standardized …

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Prone transabdominal ultrasonography improves pancreatic tail visualization: a prospective study using CT–ultrasound fusion imaging

Ryohei Kumano, Takuya Ishikawa, Kentaro Yamao, Yasuyuki Mizutani et autres

PURPOSE: To determine whether prone-position transabdominal ultrasonography improves pancreatic tail visualization compared with conventional supine scanning, as assessed using computed tomography-transabdominal ultrasonography (CT-TUS) fusion imaging. METHODS: This prospective observational study included 50 patients (34 males; median age, 64.5 [interquartile range, 56.5-72] years) …

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Utility of endoscopic ultrasonography elastography as a predictive tool for post-treatment recurrence of resectable pancreatic cancer treated with neoadjuvant and adjuvant chemotherapy: a retrospective study in Japan

Yuichi Kano, Takuya Ishikawa, Kentaro Yamao, Yasuyuki Mizutani et autres

BACKGROUND: Post-treatment recurrence frequently occurs even in patients with resectable pancreatic cancer (PC) who receive neoadjuvant chemotherapy (NAC), surgery, and adjuvant chemotherapy (AC). This study aimed to evaluate whether endoscopic ultrasonography elastography (EUS-EG) of PC lesions is useful in predicting post-treatment recurrence …

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Endoscopic Papillectomy for Ampullary Tumors in Older Patients: Balancing Oncologic Benefit and Geriatric Risk

Yoshihisa Takada, Takuya Ishikawa, Kentaro Yamao, Yasuyuki Mizutani et autres

As population aging accelerates, patients aged ≥ 75 years represent a growing proportion of those diagnosed with ampullary tumors. Endoscopic papillectomy (EP) is an established minimally invasive treatment for ampullary adenoma; however, treatment selection in older patients requires careful consideration of oncologic …

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Neoadjuvant Chemotherapy ( FOLFIRINOX or Gemcitabine With Nab‐Paclitaxel) for Borderline‐Resectable Pancreatic Cancer: Long‐Term Results of a Randomized Controlled Trial ( NUPAT ‐01)

Junpei Yamaguchi, Hideki Takami, Yukihiro Yokoyama, TSUTOMU FUJII et autres

BACKGROUND: Initial results of NUPAT-01 suggest the feasibility of multidrug neoadjuvant chemotherapy for borderline-resectable pancreatic cancer and favorable survival of patients, and we report on the long-term results of this study. METHODS: In this multicenter, phase II trial (NUPAT-01), patients with borderline-resectable …

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Efficacy and safety of home-based exercise in patients with sarcopenia complicated by liver cirrhosis

Yoshiaki Sugiyama, Yoji Ishizu, SHINYA YOKOYAMA, Kenta Yamamoto et autres

OBJECTIVES: Sarcopenia is a common complication in patients with liver cirrhosis and is associated with reduced quality of life and poor prognosis. Exercise and nutritional therapy are recommended; however, their efficacy in patients with cirrhosis-associated sarcopenia remains unclear. This study evaluated the …

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Fiducial marker placement for hepatocellular carcinoma using magnetic resonance imaging–ultrasound fusion guidance: targeting accuracy and determinants of error (with video)

Katsuhiko Tsutsumi, Kenta Yamamoto, Yumi Oie, Takayuki Miyachi et autres

PURPOSE: Stereotactic body radiation therapy (SBRT) is effective for hepatocellular carcinoma (HCC), and accurate fiducial marker placement is essential for motion-compensated tracking. We assessed the targeting accuracy and safety achieved with magnetic resonance imaging-ultrasound (MRI-US) fusion guidance and explored factors associated with …

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Multicenter Validation Study of the Clinical Diagnostic Criteria for IgG4 ‐Related Sclerosing Cholangitis 2020 in Japan

Itaru Naitoh, Takahiro Nakazawa, Kensuke Kubota, Takayoshi Nishino et autres

BACKGROUND: The diagnostic performance of clinical diagnostic criteria for IgG4-related sclerosing cholangitis 2020 (IgG4-SC2020) has not been fully validated since its proposal as a revision of the 2012 criteria (IgG4-SC2012). METHODS: We conducted a multicenter validation study to evaluate the diagnostic performance …

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Response to the letter to the editor regarding “Concealed pancreatic cancer in acute pancreatitis: Early MRCP and EUS surveillance improves prognosis and identifies high-risk patients”

Kentaro Yamao, Mamoru Takenaka, Akihiro Yoshida, Takuya Ishikawa et autres

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Response

Takeshi Yamamura, Masanao Nakamura, Genta Uchida, Keisaku Yamada et autres

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Delayed Bleeding After Endoscopic Ultrasound‐guided Hepaticogastrostomy due to Pseudoaneurysm Rupture in a Patient Who Underwent Plastic Stent Placement: A Case Report

Takuya Ishikawa, Kentaro Yamao, Yasuyuki Mizutani, Tadashi Iida et autres

Endoscopic ultrasound-guided hepaticogastrostomy (EUS-HGS) is a useful alternative treatment for endoscopic retrograde cholangiopancreatography (ERCP) failure. However, serious complications sometimes occur. Bleeding is an early complication that occurs during puncture; however, there have been some reports of late-onset rupture of a pseudoaneurysm. These …

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Reply to the Letter to the Editor Regarding “Perilesional Branch Duct Dilation as a Hallmark MRCP Feature for Differentiating High-Grade PanIN from Low-Grade PanIN”

Kentaro Yamao, Yasuo Takehara, Hiroshi Ogawa, Jun Nakahodo et autres

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