Explanipedia

Successful management by laparoscopic total gastrectomy following embolization for gastric cancer with overt bleeding: two case reports Open

Ayaka Shibano, Akihiro Cho, Toshihiko Mouri, Yukiko Niwa, Takeshi Ishita , et al. · 2025

Gastric cancer (GC) bleeding is typically silent and chronic. However, active bleeding from GC can lead to life-threatening conditions. Endoscopic haemostasis is sometimes difficult and emergency surgery is associated with high postoperati…

The impact of histological subtype on postoperative recurrence pattern and timing in locally advanced esophagogastric junction cancer Open

Shinsuke Maeda, Masaho Ota, Shunichi Ito, Kei Hosoda · 2024

Purpose The differences in tumor behavior between adenocarcinoma (AC) and squamous cell carcinoma (SCC) of the esophagogastric junction (EGJ) have yet to be well investigated. The purpose of this study was to gain insights that can contrib…

The impact of histological subtype on postoperative recurrence pattern and timing in locally advanced esophagogastric junction cancer Open

Shinsuke Maeda, Masaho Ota, Shunichi Ito, Kei Hosoda · 2024

Purpose The differences of tumoral behavior between histological subtypes of esophagogastric junction (EGJ) cancer have yet to be well investigated. The purpose of this study is to gain insights that can contribute to the tailored treatmen…

Long-term Results of a Phase II Study of Neoadjuvant SOX for Advanced Gastric Cancer Open

Shunichi Ito, Hidekazu Kuramochi, Akiko Serizawa, Masaho Ota, Satoshi Katagiri , et al. · 2023

The administration of two cycles of neoadjuvant chemotherapy with S-1 plus oxaliplatin, followed by D2 gastrectomy, was associated with relatively good long-term oncologic outcomes for patients with high-risk gastric cancer.

Long-term results of a phase II study of two courses of neoadjuvant chemotherapy with S-1 plus oxaliplatin for cT4 or N2-3 gastric cancer Open

Shunichi Ito, Hidekazu Kuramochi, Akiko Serizawa, Masaho Ota, Satoshi Katagiri , et al. · 2023

Purpose To evaluate the long-term survival outcomes from our previous study: the phase II study of neoadjuvant chemotherapy with S-1 plus oxaliplatin for cT4 or N2-3 advanced gastric cancer. Methods The patients with clinical T4 and/or N2 …

A Case of Uncommon Esophageal Stricture after Upper Gastrointestinal Endoscopy Open

Akane Hayasaka, Hideto Saigusa, Osamu Kadosono, Yasuyo Maeda, Hiroyuki Ito , et al. · 2023

症例は64歳男性である。2カ月前,健診で食道粘膜の異常を指摘されたため上部消化管内視鏡検査を受けた。検査中,ルゴール染色を行った直後から激しい痛みとともに嚥下困難が出現した。その後,嚥下困難が改善しないため,当院を受診した。上部消化管透視検査で,頸部食道の高度狭窄が指摘された。上部消化管内視鏡で観察を行うと,狭窄部は右側に柔らかく深い陥凹底を,左側に硬く瘢痕状の陥凹底を形成し,両陥凹間に小瘻孔が存在した。頸部外切開により狭窄部分を観察すると,頸部食道右側壁が断裂し,食道内腔…

Long-term outcomes of regenerative treatment by endoscopic oral mucosal epithelial cell sheet transplantation for the prevention of esophageal stricture after endoscopic resection Open

Takeshi Ohki, Masaho Ota, Ryo Takagi, Teruo Okano, Masakazu Yamamoto · 2022

We reported the short-term outcomes of a regenerative medical treatment to prevent esophageal stricture after endoscopic submucosal dissection (ESD) using cultured tis oral mucosal epithelial cell sheets. This study investigated the long-t…

Tumor Depth Prediction of Gastric Cancer With a T4 Score Open

Kiyoaki Taniguchi, Masaho Ota, Takuji Yamada, Akiko Serizawa, Sho Kotake , et al. · 2022

Background/Aim: Peritoneal metastases are often found at surgery of pT4 gastric cancers, preventing R0 resection. In the event of successful R0 resection, distant metastases still occur in a sizeable proportion of patients. Estimation of t…

Phase II Study of Neoadjuvant Chemotherapy With S-1 Plus Oxaliplatin for Gastric Cancer Clinical T4 or N2-3 Open

Akiko Serizawa, Hidekazu Kuramochi, Kiyoaki Taniguchi, Masaho Ota, Satoshi Katagiri , et al. · 2021

Background: In Japan, the standard treatment for stage II or III gastric cancer is D2 gastrectomy followed by administration of S-1 for one year. However, patients with stage III disease have unsatisfactory survival rates. The purpose of t…

Staging of gastric cancer with the Clinical Stage Prediction score Open

Kiyoaki Taniguchi, Masaho Ota, Takuji Yamada, Akiko Serizawa, Takeharu Noguchi , et al. · 2019

The strategy of neoadjuvant chemotherapy for resectable synchronous liver metastases from colorectal cancer Open

Yukiko Niwa, Satoshi Katagiri, Hidekazu Kuramochi, Fuminori Horibe, Toshihiko Mouri , et al. · 2019

Petersen's Hernia after Esophagectomy With Antesternal Jejunal Reconstruction: Case Report Open

Kenji Kudo, Kosuke Narumiya, Yuji Shirai, Yohsuke Yagawa, Masaho Ota , et al. · 2017

Petersen's hernia after esophagectomy is quite rare. The patient was a 75-year-old man who had undergone esophagectomy via right thoracotomy and reconstruction with a jejunal loop by the antesternal route in 2014. In March 2015, severe acu…

A Case of Esophageal Duplication Cyst on the Left Side of the Diaphragm Open

Tsutomu Nakamura, Masaho Ota, Shunsuke Onizawa, Mie Hamano, Takeshi Ishita , et al. · 2017

食道粘膜下腫瘍のうち比較的稀な食道囊腫の1例を経験したので報告する。症例は43歳男性で人間ドックの上部消化管内視鏡検査にて食道粘膜下腫瘍を指摘され，精査加療目的に当院へ紹介された。既往歴は20歳代に肺囊胞の破裂による気胸で両側とも開胸手術を受けていた。胸部X線検査で左下肺野に陰影を認めた。内視鏡検査では下部食道左壁に1/3周を占める隆起性病変で内腔が透見されEUSで低エコー均一であった。腫瘍は径5 cmありCTでlow density, MRIのT1T2強調画像にて高信号で…

Incidence of Esophageal Carcinomas After Surgery for Achalasia: Usefulness of Long-Term and Periodic Follow-up Open

Masaho Ota, Kosuke Narumiya, Kenji Kudo, Yohsuke Yagawa, Shinsuke Maeda , et al. · 2016

BACKGROUND Patients with esophageal achalasia are considered to be a high-risk group for esophageal carcinoma, and it has been reported that this cancer often arises at a long interval after surgery for achalasia. However, it is unclear wh…

A Case of Dabigatran-induced Esophagitis Caused by Esophageal Stenosis with Dysphagia Aortica Open

Kenji Kudo, Hiroyuki Sato, Tatsushi Iwagaki, Toshihiko Tochihara, Masaho Ota , et al. · 2016

変位蛇行した下行大動脈に圧排されたことによる食道通過障害，いわゆるdysphagia aorticaの病態が増悪因子と考えられたダビガトラン起因性の重度食道潰瘍を呈した症例につき報告する。症例は81歳女性，心房細動がありダビガトラン220 mg/日を内服開始した。その後よりつかえ感を自覚し，初回検査2013年7月の内視鏡検査にて中部食道に狭窄を伴う易出血性の粘膜不整病変を認めた。上切歯28～32 cmの左壁中心に限局した粘膜粗造病変であり，食道癌を疑われたが生検では食道潰瘍…

A Case of Advanced Esophageal Carcinoma with Long Term Outpatient Care in Elderly and Serious Comorbidities Patient Open

Yuji Shirai, Kenji Kudo, Kosuke Narumiya, Masaho Ota, Masakazu Yamamoto · 2016

症例は87歳の男性で肺気腫，気管支喘息にて当院呼吸器内科通院中であった．2007年11月より嚥下障害，嘔吐が出現し，内視鏡検査にて胸部中部食道扁平上皮癌と指摘された．高齢，PS2，高度の肺気腫，気管支喘息があるため化学放射線治療を行った．その治療効果はCRであったが，食道狭窄のため経口摂取困難となりPEG造設を行い退院した．外来で内視鏡的拡張術を数回施行したところ通過障害が改善し，９カ月後にPEGを抜去した．その後食道裂孔部リンパ節に腫大を認めたため，再発部位のみの放射線治…

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