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A gastric invasive tubular adenocarcinomatous lesion arising from foveolar-type neoplasia: molecular histogenesis
A gastric invasive tubular adenocarcinomatous lesion arising from foveolar-type neoplasia: molecular histogenesis
Here, we report a rare case of a depressed lesion exhibiting both tubular differentiated adenocarcinomatous (TDA) and intr...
Simultaneous occurrence of autoimmune hepatitis and autoimmune hemolytic anemia after COVID-19 infection: case report and literature review
Simultaneous occurrence of autoimmune hepatitis and autoimmune hemolytic anemia after COVID-19 infection: case report and literature review
Various autoimmune diseases have been reported to develop as a result of a coronavirus disease 19 (COVID-19) infection. Th...
Multiple gastric neuroendocrine tumors in a patient with parietal cell dysfunction and adenosine triphosphatase H+/K+ transporting subunit alpha gene variant
Multiple gastric neuroendocrine tumors in a patient with parietal cell dysfunction and adenosine triphosphatase H+/K+ transporting subunit alpha gene variant
A 47-year-old woman presented with multiple gastric tumors, each up to 10 mm in diameter, in the gastric body and...
A case of methotrexate-related lymphoproliferative disease showing multiple liver lesions in a patient with rheumatoid arthritis
A case of methotrexate-related lymphoproliferative disease showing multiple liver lesions in a patient with rheumatoid arthritis
A 66-year-old woman with rheumatoid arthritis (RA) who had been receiving methotrexate (MTX) for 2 years presente...
A case of intrahepatic mass-forming portal biliopathy mimicking intrahepatic cholangiocarcinoma
A case of intrahepatic mass-forming portal biliopathy mimicking intrahepatic cholangiocarcinoma
A 75-year-old man was referred to our department because of an enlarging intrahepatic mass detected on magnetic resonance ...
A case of an unreported point mutation in promoter 1B of the adenomatous polyposis coli gene, which is responsible for gastric adenocarcinoma and proximal polyposis of the stomach
A case of an unreported point mutation in promoter 1B of the adenomatous polyposis coli gene, which is responsible for gastric adenocarcinoma and proximal polyposis of the stomach
A 35-year-old woman of Asian descent with epigastralgia was referred to our hospital. Esophagogastroduodenoscopy revealed ...
Symptomatic duodenal intramural hematoma caused by weight training: a report of two cases
Symptomatic duodenal intramural hematoma caused by weight training: a report of two cases
Symptoms of traumatic duodenal intramural hematoma, a rare disease caused by trauma, blood disease, or antithrombotic ther...
Endoscopic ultrasound-guided fine needle biopsy diagnosis of circumferentially extraluminal mucosa-associated lymphoid tissue lymphoma in the transverse colon: a case report
Endoscopic ultrasound-guided fine needle biopsy diagnosis of circumferentially extraluminal mucosa-associated lymphoid tissue lymphoma in the transverse colon: a case report
A 61-year-old man present to us with continued abdominal pain without abdominal tenderness for 1 month. Blood tes...
A case report of perihilar cholangiocarcinoma in a patient with situs inversus totalis
A case report of perihilar cholangiocarcinoma in a patient with situs inversus totalis
Situs inversus totalis is a rare congenital malformation in which organs are positioned in a mirror-image relatio...
A case of recurrent follicular cholangitis leading to decompensated cirrhosis after left-sided hepatectomy
A case of recurrent follicular cholangitis leading to decompensated cirrhosis after left-sided hepatectomy
Follicular cholangitis (FC) is a rare non-neoplastic biliary tract disease first reported in 2003. A 74-year-old woman und...
Reactivation of hepatitis C virus caused by steroid monotherapy for sudden deafness
Reactivation of hepatitis C virus caused by steroid monotherapy for sudden deafness
Hepatitis C virus (HCV) reactivation has been reported to be caused due to several anticancer drugs and immunosuppressive ...
A perforation of a duodenal diverticulum in a 97-year-old patient after total gastrectomy and Roux-en-Y reconstruction: a case report
A perforation of a duodenal diverticulum in a 97-year-old patient after total gastrectomy and Roux-en-Y reconstruction: a case report
Most duodenal diverticula (DD) are asymptomatic and rarely develop perforations. Perforation is the most serious complicat...
Pancreaticoduodenectomy after bilirubin adsorption for distal cholangiocarcinoma with severe obstructive jaundice refractory to repeat preoperative endoscopic biliary drainage: a case report
Pancreaticoduodenectomy after bilirubin adsorption for distal cholangiocarcinoma with severe obstructive jaundice refractory to repeat preoperative endoscopic biliary drainage: a case report
The necessity of biliary drainage before pancreaticoduodenectomy remains controversial in cases involving malignant obstru...
Long-term endoscopic change of gastric polyp associated with administration of vonoprazan
Long-term endoscopic change of gastric polyp associated with administration of vonoprazan
Vonoprazan (VPZ) has been available in Japan since 2015. Endoscopic features of proton-pump inhibitor (PPI)-related gastri...
A case of metachronous oligo-hepatic and peritoneal metastases of pancreatic cancer with a favorable outcome after conversion surgery combined with perioperative sequential chemotherapy
A case of metachronous oligo-hepatic and peritoneal metastases of pancreatic cancer with a favorable outcome after conversion surgery combined with perioperative sequential chemotherapy
Pancreatic ductal adenocarcinoma (PDAC) is one of the most aggressive malignancies, and the prognosis for its recurrence a...
Colonic intussusception after endoscopic mucosal resection successfully managed by endoscopic procedure
Colonic intussusception after endoscopic mucosal resection successfully managed by endoscopic procedure
Adult-onset intussusception, particularly associated with colonoscopy, is extremely rare. A 78-year-old man, referred to o...
Two cases of severe oral mucositis caused by atezolizumab plus bevacizumab combination therapy for hepatocellular carcinoma
Two cases of severe oral mucositis caused by atezolizumab plus bevacizumab combination therapy for hepatocellular carcinoma
Atezolizumab is an immune checkpoint inhibitor specific for the programmed death-1 (PD-1) receptor. In this case report, w...
Investigating morphological changes in a simple mucinous cyst during the follow-up period: a case report
Investigating morphological changes in a simple mucinous cyst during the follow-up period: a case report
A 64-year-old man was referred to our department after a small pancreatic cystic lesion was discovered on computed tomogra...
En bloc groin node resection reconstructed with external oblique flap for solitary metastatic cholangiocarcinoma: a case report
En bloc groin node resection reconstructed with external oblique flap for solitary metastatic cholangiocarcinoma: a case report
Cholangiocarcinoma requires complete surgical resection for cure. Even so, the recurrence and metastasis rates are high, a...
A unique case of a typical pancreatic ductal adenocarcinoma that initially presented with a cystic component but underwent morphological changes
A unique case of a typical pancreatic ductal adenocarcinoma that initially presented with a cystic component but underwent morphological changes
A 66-year-old man was initially suspected of having a microcystic serous cystic neoplasm based on magnetic resonance imagi...
Minimal endoscopic sphincterotomy followed by papillary balloon dilation to relieve choledocholithiasis in a 6-year-old girl with hereditary spherocytosis
Minimal endoscopic sphincterotomy followed by papillary balloon dilation to relieve choledocholithiasis in a 6-year-old girl with hereditary spherocytosis
A 6-year-old girl previously diagnosed with hereditary spherocytosis was admitted to our hospital with gallstones and chol...
Safety and efficacy of atezolizumab plus bevacizumab combination therapy in patients with unresectable hepatocellular carcinoma undergoing dialysis: a case series
Safety and efficacy of atezolizumab plus bevacizumab combination therapy in patients with unresectable hepatocellular carcinoma undergoing dialysis: a case series
Three patients aged 79, 75, and 81 years with unresectable hepatocellular carcinoma (HCC) and undergoing maintena...
Granulomatous hepatitis with Crohn’s disease: a case report
Granulomatous hepatitis with Crohn’s disease: a case report
A 45-year-old man who was regularly followed up for Crohn’s disease (CD) and maintained clinical remission with vedo...
Pseudomembranous colitis and Parabacteroides distasonis bacteraemia: a rare clinical presentation
Pseudomembranous colitis and Parabacteroides distasonis bacteraemia: a rare clinical presentation
We present the case of a male with end-stage diabetic nephropathy on haemodialysis who initially presented with acute-on-c...
Solitary fibrous tumor occurring in the colon as submucosal mesenchymal lesion: report of two cases and review of the literature
Solitary fibrous tumor occurring in the colon as submucosal mesenchymal lesion: report of two cases and review of the literature
Solitary fibrous tumor (SFT) is a rare mesenchymal neoplasm most often arising from the pleura and rarely in extra-pleural...
Diffuse abdominal lymphangiomatosis without tumoral masses: a case report
Diffuse abdominal lymphangiomatosis without tumoral masses: a case report
Diffuse abdominal lymphangiomatosis is a rare and complex disease. It typically presents with non-specific gastrointestina...
Exploring the complexities of megacystis-microcolon-intestinal hypoperistalsis syndrome: insights from genetic studies
Exploring the complexities of megacystis-microcolon-intestinal hypoperistalsis syndrome: insights from genetic studies
Megacystis microcolon intestinal hypoperistalsis syndrome (MMIHS) is an uncommon genetic disorder inherited in an autosoma...
Refractory postoperative pancreatic fistula following laparoscopic distal pancreatectomy for pancreatic cancer caused by incomplete pancreas divisum: a case report
Refractory postoperative pancreatic fistula following laparoscopic distal pancreatectomy for pancreatic cancer caused by incomplete pancreas divisum: a case report
Pancreas divisum (PD) represents a prevalent congenital pancreatic variant, typically arising from the failure of fusion b...
Conversion surgery for stage IV gastric cancer with multiple liver metastases with a complete pathological response to S-1 plus oxaliplatin therapy
Conversion surgery for stage IV gastric cancer with multiple liver metastases with a complete pathological response to S-1 plus oxaliplatin therapy
Although patients with stage IV gastric cancer who respond well to systemic chemotherapy can be treated with gastrectomy, ...
Simultaneous gastric, pancreatic, and renal metastasis from poorly differentiated hepatocellular carcinoma
Simultaneous gastric, pancreatic, and renal metastasis from poorly differentiated hepatocellular carcinoma
Common extrahepatic metastasis sites of hepatocellular carcinoma (HCC) are the lungs, adrenal glands, and bones. Herein, w...
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