Results 231 to 240 of about 467,632 (357)

Olmesartan‐induced gastritis with no lower gastrointestinal symptoms: A case report

DEN Open, Volume 6, Issue 1, April 2026.
Abstract A 74‐year‐old man with decreased appetite, weight, and heartburn was referred to our hospital. His medications included olmesartan. Esophagogastroduodenoscopy (EGD) revealed antral‐dominant erosive gastritis and nodular mucosa. A gastric biopsy revealed inflammatory cell infiltration.
Satoshi Kosaka, Miki Kamiyama, Masahiro Ochi   +2 more
wiley   +1 more source

Laparoscopic and endoscopic co-operative surgery for a non-ampullary duodenal tumor after living-donor liver transplantation: a case report. [PDF]

J Surg Case Rep
Ito S, Tamazaki R, Maeda S, Hosoda K.
europepmc   +1 more source

Pancreatic Neuroendocrine Tumor Leading to a Diagnosis of Multiple Endocrine Neoplasia Type 1 [PDF]

DEN Open
ABSTRACT Pancreatic neuroendocrine neoplasms are rare but occasionally encountered. They are generally highly vascularized solid tumors, often round in shape with clear boundaries, defined contours, and a homogeneous internal structure. However, they can also present with atypical features, such as cystic degeneration, hemorrhage, calcification, and ...
Hirakawa N, Kitamura K, Yamamoto K, Tadokoro K, Akita Y, Uemura J, Yamanishi F, Abe M, Nakatsugawa M, Itoi T.   +9 more
europepmc   +2 more sources

Endoscopic features of deficient mismatch repair/microsatellite instability‐high and BRAF‐mutated colorectal cancer

DEN Open, Volume 6, Issue 1, April 2026.
Abstract Objective Recent advancements in genome analyses, including the BRAF gene and mismatch repair (MMR) gene/microsatellite instability (MSI), have revealed the biological diversity of colorectal cancer (CRC). BRAF‐mutated CRC has a poor prognosis; however, cases exhibiting deficient MMR (dMMR)/MSI‐high (MSI‐H) and BRAF gene mutations have ...
Rika Omote, Shizuma Omote, Ryohei Sumii, Joichiro Horii, Isao Fujita, Hideaki Miyaso, Tatsuya Toyokawa, Masaru Inagaki   +7 more
wiley   +1 more source

Mochi-Induced Duodenal Obstruction and Ulcers: A Case Report. [PDF]

Cureus
Shirota S, Hirai N, Hanno H.
europepmc   +1 more source

A case of duodenal pyloric gland adenoma with high‐grade dysplasia arising from ectopic gastric mucosa

DEN Open, Volume 6, Issue 1, April 2026.
Abstract Superficial non‐ampullary duodenal epithelial tumor is a rare disease, but its frequency has reportedly been increasing in recent years. We report a case of duodenal pyloric gland adenoma with high‐grade dysplasia arising from ectopic gastric mucosa.
Kenichiro Nakachi, Hironobu Nagumo, Tetsuro Okura, Wataru Ohno, Takashi Ashikawa, Tomoyuki Funato, Toshiyasu Shiratori, So Nakaji, Shion Ando   +8 more
wiley   +1 more source

Acute pancreatitis revealing duodenal papilla MALT lymphoma: a case report and review of the literature. [PDF]

Future Sci OA
Dahmani W, Hassan H, Hammami A, Ben Slama A, Brahem A, Jaizri H, Elleuch N, Ksiaa M.   +7 more
europepmc   +1 more source

Non-invasive intraductal oncocytic papillary neoplasm forming a protruding lesion toward the duodenum from the accessory papilla: a case report [PDF]

SHINNOSUKE KAWAHARA, Naoto Yamamoto, Kota Washimi, Rei Kanemoto, Daishi Takahashi, Yuto Kamioka, ITARU HASHIMOTO, Mariko Kamiya, Aya Kato, Yukio Maezawa, Keisuke Kazama, Masaaki Murakawa, Sho Sawazaki, Toru Aoyama, Hiroshi Tamagawa, Takashi Oshima, Norio Yukawa, Yasushi Rino, Tomoyuki Yokose, Aya Saito, Soichiro Morinaga   +20 more
openalex   +1 more source

Feasibility of a novel slim gastroscope for endoscopic submucosal dissection: A case series (with video)

DEN Open, Volume 6, Issue 1, April 2026.
Abstract Endoscopic submucosal dissection has transformed early‐stage gastrointestinal tumor treatment. This series showcases a novel slim gastroscope's efficacy in tackling challenging lesions. Retrospective analysis of 17 patients undergoing endoscopic submucosal dissection using the novel slim gastroscope for pharyngeal, esophageal, gastric ...
Marina Kim, Yohei Minato, Darshan Parekh, Hideyuki Chiba, Ryoju Negishi, Shunya Takayanagi, Kohei Ono, Yuki Kano, Yoshiaki Kimoto, Nao Takeuchi, Shinya Nagae, Ken Ohata   +11 more
wiley   +1 more source

Endoscopic Management of Ampullary Adenomas: A Comprehensive Review. [PDF]

J Clin Med
Nguyen MTT, Paladiya R, Dahiya DS, Dharan M.   +3 more
europepmc   +1 more source