Results 1 to 10 of about 122 (103)

Mixed neuroendocrine–non‐neuroendocrine neoplasm associated with autoimmune gastritis

Clinical Case Reports, 2022
A 60‐year‐old woman presented with a protruding tumor at the anterior wall of the middle gastric body, and she was positive for anti‐parietal cells antibodies with elevated serum gastrin level.
Naoko Mori, Masanori Hongo, Shizuki Takemura, Yoshihiko Sugitani, Fumiyasu Nakamura, Masaji Tani, Atsushi Nishida, Osamu Inatomi, Akira Andoh, Hiromitsu Ban   +9 more
doaj   +4 more sources

Ureter mixed neuroendocrine-non-neuroendocrine neoplasm: a case report and literature review

Frontiers in Oncology
Cases of mixed neuroendocrine-non-neuroendocrine neoplasms (MiNENs) of the urinary system are rare, and reports of primary MiNENs in the ureter are lacking.
Bing Zhou, Xing Gan, Xiaohua Li, Lizi Peng, Hua Hao   +4 more
doaj   +5 more sources

Retroperitoneal mixed neuroendocrine non-neuroendocrine neoplasm: A case report and review of literature

Rare Tumors
The existence of both neuroendocrine and non-neuroendocrine histology in variable proportion in a lesion has been described by the World Health Organisation (WHO) as mixed neuroendocrine and non-neuroendocrine neoplasm (MiNEN).
John Adi Ashindoitiang, Victor Ikechukwu Canice Nwagbara, Theophilus Ugbem Ipeh, Ben Chukwu, Henry Olaleye Obanife, Alfred Ottoh Eyong, Maurice Efana Asuquo   +6 more
doaj   +4 more sources

Recurrent Mixed Neuroendocrine-Non-Neuroendocrine Neoplasm in the Gallbladder: A Case Report [PDF]

Case Reports in Oncology, 2021
Mixed neuroendocrine-non-neuroendocrine neoplasms (MiNEN) of the gallbladder are rare with no established therapeutic strategies. We report a case of recurrent gallbladder MiNEN from a population with a low incidence of gallbladder carcinomas, a review ...
Turki Al-Fayea, Mohammed Alzahrani, Hatim Almaghrabi, Abdulrahman Alghamdi, Kabo Mohammed   +4 more
doaj   +3 more sources

Mixed neuroendocrine–non-neuroendocrine neoplasm of the ampulla of Vater: a case report

Surgical Case Reports, 2023
Background Mixed neuroendocrine–non-neuroendocrine neoplasms of the ampulla of Vater are rare and heterogenous, making it difficult to achieve a definitive preoperative diagnosis.
Kenjiro Date, Takaaki Tatsuguchi, Yuzo Shimokawa, Yusuke Niina, Daichi Kitahara, Hirotaka Kuga, Sadafumi Tamiya, Kazuyoshi Nishihara, Toru Nakano   +8 more
doaj   +3 more sources

Mixed neuroendocrine–non‐neuroendocrine neoplasm arising from long‐segment Barrettʼs esophagus showing exceptionally aggressive clinical behavior

Cancer Reports, 2022
Background There is only one report of Barrett's esophagus (BE) with mixed neuroendocrine–non‐neuroendocrine neoplasm (MiNEN). Herein, for the first time, we present a case with an aggressive esophageal MiNEN, as well as with both primary MiNEN and ...
Kazuya Miyaguchi, Tomonori Kawasaki, Tomoaki Tashima, Shomei Ryozawa   +3 more
doaj   +2 more sources

Mixed Neuroendocrine Non-Neuroendocrine Neoplasm Arising in the Ectopic Gastric Mucosa of Esophagus

Case Reports in Gastroenterology, 2022
Esophageal neuroendocrine neoplasms are extremely rare, and their prognosis is poor. Mixed neuroendocrine non-neuroendocrine neoplasms (MiNENs) are even more rare and are defined as tumors consisting of neuroendocrine carcinoma and either adenocarcinoma ...
Ryosuke Gushima, Hideaki Miyamoto, Miyuki Imamura, Takayoshi Sonoda, Kenshi Matsuno, Akira Yamasaki, Yoki Furuta, Shunpei Hashigo, Masakuni Tateyama, Hideaki Naoe, Yasuhito Tanaka   +10 more
doaj   +3 more sources

Clinicopathological features and lymph node and distant metastasis patterns in patients with gastroenteropancreatic mixed neuroendocrine‐non‐neuroendocrine neoplasm

Cancer Medicine, 2021
Objective Owing to its rarity and heterogeneity, the biological behavior and optimal therapeutic management of mixed neuroendocrine‐non‐neuroendocrine neoplasm (MiNEN) have not been established.
Panpan Zhang, Zhongwu Li, Jie Li, Jian Li, Xiaotian Zhang, Zhihao Lu, Yu Sun, Yan Li, Jun Zhou, Xicheng Wang, Zhi Peng, Lin Shen, Ming Lu   +12 more
doaj   +2 more sources

Mixed neuroendocrine-non-neuroendocrine neoplasm of the gallbladder: case report and literature review

Diagnostic Pathology, 2022
Background Mixed neuroendocrine–non-neuroendocrine neoplasms (MiNENs) of the gallbladder are rare malignancies. Here we presented two cases and reviewed the related literature.
Xu Ren, Hong Jiang, Kan Sun, Xufu Qin, Yongping Qu, Tian Xia, Yan Chen   +6 more
doaj   +3 more sources

Lymph node metastasis of grade 1 neuroendocrine tumor from rectal mixed neuroendocrine non-neuroendocrine neoplasm: A case report

Journal of International Medical Research
Mixed neuroendocrine non-neuroendocrine neoplasms of the gastrointestinal tract are rare, with only a few cases documented in the literature. In particular, there are no reports of a rectal mixed neuroendocrine non-neuroendocrine neoplasm with regional ...
Taek-Gu Lee, Ki Bae Kim, Jun Su Lee, Chang Gok Woo, Seung-Myoung Son   +4 more
doaj   +2 more sources