Results 201 to 210 of about 83,920 (307)

A Case of Human Epidermal Growth Factor Receptor 2‐Positive Colon Cancer With Invasive Micropapillary Carcinoma Component

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT A female patient in her 60s tested positive for the fecal occult blood test while undergoing health screening. Colonoscopy revealed a 15‐mm‐sized flat elevated lesion with a central depression in the sigmoid colon. Narrow‐band imaging magnification revealed a Japan Narrow‐Band Imaging Expert Team classification of type 2B, whereas crystal ...
Masashi Kono   +9 more
wiley   +1 more source

Intraductal papillary neoplasm of the bile duct: Assessment of invasive carcinoma and long-term outcomes using MRI

open access: green, 2018
Sunyoung Lee   +5 more
openalex   +2 more sources

Distal Bile Duct Metastasis From Rectal Cancer: The Diagnostic Contribution of Intraductal Ultrasonography

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT A 49‐year‐old male developed liver dysfunction during chemotherapy for rectal cancer located in the rectosigmoid region. Although magnetic resonance cholangiopancreatography initially indicated sclerosing cholangitis, endoscopic retrograde cholangiopancreatography and intraductal ultrasonography revealed multiple non‐contiguous intraductal ...
Shinji Monoe   +5 more
wiley   +1 more source

A Case of Obstructive Jaundice due to Bile Duct Tumor Thrombus of Hepatocellular Carcinoma Diagnosed by Peroral Cholangioscopy

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
Abstract While hepatocellular carcinoma (HCC) often invades the portal or hepatic vein to form tumor thrombus, tumor thrombus in the bile duct is rare. In such cases, differentiation from intrahepatic cholangiocarcinoma is difficult, and the tumor often appears as a smooth, yellowish‐white, polypoid mass within the bile duct lumen.
Keisuke Kinoshita   +9 more
wiley   +1 more source

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