Ampullary Neuroendocrine Neoplasm: Clinicopathological Characteristics and Novel Endoscopic Entity
Ampullary Neuroendocrine Neoplasm: Clinicopathological Characteristics and Novel Endoscopic Entity
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壶腹神经内分泌肿瘤:临床病理学特征和新型内镜实体
DOI:
10.1159/000525013
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Ogawa Y.
中科院分区:
文献类型:
--
作者:
Matsumoto K;Fujimori N;Hata Y;Minoda Y;Murakami M;Teramatsu K;Takamatsu Y;Takeno A;Oono T;Ihara E;Nakata K;Nakamura M;Yamamoto T;Koga Y;Oda Y;Ito T;Ogawa Y.
BackgroundNeuroendocrine neoplasms of the ampulla of Vater (ampullary NEN) have features of both gastrointestinal and pancreato-biliary (PB) NEN. However, the limited number of studies examining ampullary NEN makes it difficult to clarify their unique characteristics. This study aimed to elucidate the clinical characteristics of ampullary NEN.MethodsWe enrolled 162 patients with PB-NEN diagnosed at Kyushu University Hospital between 2011 and 2020. Clinical features, pathological diagnoses, treatments, and prognoses were retrospectively analyzed. We also compared ampullary NEN with pancreatic NEN (PanNEN).ResultsWe analyzed 10 ampullary NEN cases and 149 PanNEN cases. The ampullary NEN cases consisted of 4 cases of neuroendocrine tumor Grade 1 (NET G1), 1 NET G2 (Grade 2), and 5 neuroendocrine carcinomas (NECs). The incidences of NEC and cholangitis were significantly higher in ampullary NEN than in PanNEN. All ampullary NETs had a submucosal tumor-like appearance, as identified by endoscopic ultrasound-guided fine needle aspiration. We treated small NET G1 (< 10 mm) with endoscopic papillectomy and large NET G1 with pancreaticoduodenectomy. There were no cases of recurrence after resection. All ampullary NECs presented with the characteristic endoscopic finding of a “crater sign” similar to deep-mining ulcers seen in gastric malignant lymphoma. Four cases underwent surgical resection, and 1 case was unresectable. Two patients who underwent multidisciplinary treatment were maintained without recurrence for over 2 years.ConclusionsEndoscopic findings showed identifiable distinctions between ampullary NETs and NECs.
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影响因子:
28.4
作者:
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通讯作者:
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影响因子:
2
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通讯作者:
Shimatsu, Akira
DOI:
10.1016/j.clinre.2012.03.007
发表时间:
2012
影响因子:
2.7
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H. Yi;Chun;Y. Mou;Wei Liu;Jing Li;Qiongying Zhang;Rong Luo;Min Chen Chengwei Tang;B. Hu
通讯作者:
B. Hu