Takaaki Otake
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View article: Gastric carcinoma of the fundic gland type developed 32 years after Helicobacter pylori eradication for duodenal ulcer: a case report
Gastric carcinoma of the fundic gland type developed 32 years after Helicobacter pylori eradication for duodenal ulcer: a case report Open
Introduction: Gastric cancer has been reported to occur with mild to moderate mucosal atrophy, particularly after the eradication of Helicobacter pylori ( HP ) more than 10 years previously. However, no conclusion has been reached on how m…
View article: Primary small‐cell carcinoma in the lung was found after the cold snare polypectomy of the small metastatic lesion in the cecum: A case report
Primary small‐cell carcinoma in the lung was found after the cold snare polypectomy of the small metastatic lesion in the cecum: A case report Open
Metastasis from small‐cell lung cancer to the colon is very rare. A 74‐year‐old man without respiratory or abdominal symptoms underwent a follow‐up lower gastrointestinal endoscopy after a polypectomy. He was diagnosed with a 5 mm IIa non‐…
View article: Anti-acid treatment for ulcerated early gastric cancer may be a treatment option avoiding unnecessary gastrectomy: a cohort study
Anti-acid treatment for ulcerated early gastric cancer may be a treatment option avoiding unnecessary gastrectomy: a cohort study Open
Background: Diagnosing the invasion depth of ulcerated early gastric cancer is usually inaccurate, especially for endoscopists in primary care clinics who are often not experts in this area. In reality, many patients with open ulcers who c…
View article: Malignant melanoma in the stomach treated with endoscopic submucosal dissection: a case report
Malignant melanoma in the stomach treated with endoscopic submucosal dissection: a case report Open
Introduction and Importance: The initial appearance of malignant melanoma localized in the stomach has never been reported previously. We encountered a patient with gastric melanoma in the stomach, which was histologically confirmed to be …
View article: Gel immersion endoscopic mucosal resection in early gastric cancer with bleeding: A case report
Gel immersion endoscopic mucosal resection in early gastric cancer with bleeding: A case report Open
Gel immersion endoscopy was developed by Yano for the treatment of bleeding. In this case, we performed gel immersion endoscopic mucosal resection to treat a bleeding gastric cancer. An 80-year-old man, with chronic renal failure and on as…
View article: Localizing spontaneously hemostatic colonic diverticular bleeding using VISCOCLEAR gel: A case report
Localizing spontaneously hemostatic colonic diverticular bleeding using VISCOCLEAR gel: A case report Open
Colonic diverticular bleeding is the most common type of gastrointestinal bleeding. We report a case of an 82-year-old man with a chief complaint of melena. Enhanced computed tomography showed multiple diverticula, and water-assisted colon…
View article: Eosinophilic esophagitis induced by sublingual immunotherapy with cedar pollen: a case report
Eosinophilic esophagitis induced by sublingual immunotherapy with cedar pollen: a case report Open
Eosinophilic esophagitis (EoE) is a chronic inflammatory disease associated with eosinophilic infiltration of the esophageal mucosa mostly due to exposure to allergens. However, the causes and pathogenesis of EoE are not fully understood. …
View article: Cronkhite-Canada Syndrome Successfully Treated by Corticosteroids before Presenting Typical Ectodermal Symptoms
Cronkhite-Canada Syndrome Successfully Treated by Corticosteroids before Presenting Typical Ectodermal Symptoms Open
Cronkhite-Canada syndrome (CCS) is a rare disease characterized by diffuse gastrointestinal polyposis with chronic diarrhea and ectodermal change, but its etiology is unknown. We present a case at the age of 26 years complaining of epigast…
View article: Effects of vonoprazan on gastric PH and clinical course after gastric ESD: A retrospective and prospective study
Effects of vonoprazan on gastric PH and clinical course after gastric ESD: A retrospective and prospective study Open
Post-ESD bleeding was reduced, and ulcer healing was improved in patients treated with vonoprazan the night before their procedure. Our results suggest high gastric pH during ESD due to vonoprazan administration may be beneficial for hemos…
View article: Vonoprazan-based triple therapy is non-inferior to susceptibility-guided proton pump inhibitor-based triple therapy for Helicobacter pylori eradication
Vonoprazan-based triple therapy is non-inferior to susceptibility-guided proton pump inhibitor-based triple therapy for Helicobacter pylori eradication Open
Background All Helicobacter pylori -infected patients are recommended for eradication with an appropriate regimen in each geographic area. The choice of the therapy is somewhat dependent on the antimicrobial susceptibility. The rate of cla…
View article: A case of IgG4-related autoimmune hepatitis incidentally found by liver injury
A case of IgG4-related autoimmune hepatitis incidentally found by liver injury Open
症例は生来健康な48歳女性.倦怠感,嘔気を主訴に近医を受診し,血液検査にて肝障害を指摘されて紹介受診した.入院時血液検査では,AST 868 IU/L,ALT 1,205 IU/L,Alp 479 IU/L,γ-GTP 254 IU/Lと肝細胞障害型の肝胆道系酵素異常を認めた.飲酒歴・薬剤内服歴なく,かつ各種肝炎ウイルスマーカーは陰性であった.自己免疫性肝炎(AIH)の急性発症を疑い,肝生検を施行したところ,門脈域を中心としたIgG4陽性形質細胞の浸潤を認め,かつ血清IgG…
View article: Two successful cases of endoscopic ultrasonography-guided transgastric drainage for abdominal abscesses after distal gastrectomy
Two successful cases of endoscopic ultrasonography-guided transgastric drainage for abdominal abscesses after distal gastrectomy Open
Case 1 : A 78-year-old man, who had undergone robot-assisted distal gastrectomy (DG) for early gastric cancer, had fever and epigastralgia. Computed tomography (CT) showed an abdominal abscess between the gastric cardia and the dorsal of p…