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Article
Endoscopic Ultrasound-Guided Tissue Acquisition Using Fork-Tip Needle for Subepithelial Lesions: A Single-Center Validation Study
The cutoff value for stereomicroscopic on-site evaluation (SOSE) in endoscopic ultrasound-guided tissue acquisition (EUS-TA) has high diagnostic sensitivity when a Franseen needle is employed for upper gastroi...
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Article
A case of successful treatment with lenvatinib in primary hepatoid adenocarcinoma of the gallbladder that was difficult to distinguish from hepatocellular carcinoma
Hepatoid adenocarcinoma (HAC) is an adenocarcinoma with components similar to those of hepatocellular carcinoma. Primary HAC of the gallbladder is extremely rare; to our knowledge, there is no consensus on the...
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Article
A case of solid-type pancreatic hamartoma presenting high apparent diffusion coefficient value: histopathological correlation and literature review
Pancreatic hamartoma is a rare tumor-like malformation and could mimic other pancreatic tumors including malignant neoplasm. Due to its rarity, magnetic resonance (MR) imaging findings including those diffusio...
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Article
CD109 expression in tumor cells and stroma correlates with progression and prognosis in pancreatic cancer
CD109 is a glycosylphosphatidylinositol-anchored glycoprotein, whose expression is upregulated in some types of malignant tumors. High levels of CD109 in tumor cells have been reported to correlate with poor p...
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Article
A case of pancreatic neuroendocrine carcinoma with a favorable clinical response to pembrolizumab
A 76-year-old man with epigastric pain developed 1 month earlier was referred to our department for additional screening and treatment after abdominal ultrasound revealed a mass shadow in the pancreatic head a...
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Article
Nafamostat Mesylate is Not Effective in Preventing Post-Endoscopic Retrograde Cholangiopancreatography Pancreatitis
Endoscopic retrograde cholangiopancreatography (ERCP) is associated with complications such as post-ERCP pancreatitis (PEP). Protease inhibitors, including nafamostat mesylate (NM), have been evaluated for pro...
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Article
A case of extrahepatic bile duct cancer with distant metastases showing pathological complete response to treatment combining gemcitabine and cisplatin
The patient was a 69-year-old female with a chief complaint of yellow staining of her urine. A detailed physical examination and laboratory tests were carried out, and as a result, her condition was diagnosed ...
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Article
Transpapillary Biliary Cannulation is Difficult in Cases with Large Oral Protrusion of the Duodenal Papilla
Biliary cannulation failure is a major problem during endoscopic retrograde cholangiopancreatography. It remains unclear how duodenal papilla morphology affects biliary cannulation. Therefore, we proposed a ne...
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Article
Complications of Long-Term Indwelling Transmural Double Pigtail Stent Placement for Symptomatic Peripancreatic Fluid Collections
Endoscopic transmural drainage is performed for symptomatic peripancreatic fluid collections (PPFCs). Long-term transmural double-pigtail stent (DPS) placement is useful in preventing recurrences. There are fe...
