Results 161 to 170 of about 136,755 (290)

Gel‐immersion Endoscopic Submucosal Dissection for Superficial Colorectal Neoplasms: A Retrospective Study Comparing Conventional Endoscopic Submucosal Dissection

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Objectives Gel‐immersion endoscopy offers benefits such as buoyancy, traction, and a clear visual field without gas insufflation. While some case reports have described colorectal gel‐immersion endoscopic submucosal dissection (Gi‐ESD), there have been no consecutive case series. This study aimed to clarify the usefulness of Gi‐ESD.
Kenji Yamauchi   +6 more
wiley   +1 more source

A case of rectal MiNEN demonstrating vascular stalk-like imaging and gross demarcation of tumor components. [PDF]

open access: yesJ Surg Case Rep
Hayashi M   +12 more
europepmc   +1 more source

Comparison of Endoscopic Ultrasound‐guided Tissue Acquisition and Percutaneous Liver Biopsy for Diagnosing Focal Liver Lesions: A Retrospective Single‐Center Study

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Background and Aim Accurate diagnosis of focal liver lesions (FLLs) is crucial for determining the appropriate treatment strategies. Although percutaneous liver biopsy (PLB) is the standard diagnostic procedure, it has limitations, particularly for difficult‐to‐access lesions.
Kei Yane   +9 more
wiley   +1 more source

Conversion Surgery after Chemotherapy in a Stage IV BRAF V600E‐Mutated Laterally Spreading Tumor With Neuroendocrine Component

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT We report a rare case of a BRAF V600E‐mutated laterally spreading tumor, granular type (LST‐G), with a neuroendocrine carcinoma (NEC) component in a patient with stage IV colorectal cancer. The patient presented with multiple lymph nodes and liver metastases.
Reona Kawamura   +9 more
wiley   +1 more source

KRAS‐G12C: The neglected biomarker to detect patients with MUTYH‐associated polyposis

open access: yesInternational Journal of Cancer, Volume 158, Issue 6, Page 1588-1598, 15 March 2026.
What's new? MUTYH‐associated polyposis is an underdiagnosed recessive syndrome that predisposes individual to colorectal cancer and frequently displays KRAS‐G12C mutations. By analyzing a large cohort of colorectal cancer patients routinely tested for KRAS, the authors assessed whether KRAS‐G12C detection could serve as a pre‐screening tool for the ...
Ana Beatriz Deleame Medeiros   +9 more
wiley   +1 more source

Primary small cell neuroendocrine carcinoma of the urinary tract: a case report and literature review. [PDF]

open access: yesWorld J Surg Oncol
Li X   +7 more
europepmc   +1 more source

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