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内胆囊细胞内皮质瘤模仿一个亚粘膜瘤

Takuya Nagasaka¹, Seiya Kamino¹, Akiko Komatsu¹

¹Departments of Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, 35-2 Sakaecho, Itabashi-Ku, Tokyo, 173-0015, Japan.

Clinical journal of gastroenterology

|September 29, 2025

概括

胆囊内皮质瘤 (ICPN) 是一种罕见的胆囊瘤. 这一案例突出显示了ICPN模仿亚粘膜瘤,强调了Rokitansky-Aschoff鼻内的复杂特征和诊断.

科学领域:

胃肠病学和肝病学
手术病理学手术病理学
在瘤学瘤学.

背景情况:

胆囊内皮质瘤 (ICPN) 是一种不常见的胆囊瘤.
ICPNs表现出复杂的形态和免疫组织化学,与胆道瘤不同.
胆囊瘤可能由于Rokitansky-Aschoff鼻 (RAS) 的参与而异常呈现.

研究的目的:

报告一个罕见的ICPN病例.
为了描述一个模仿下粘膜瘤的ICPN.
详细介绍这个ICPN的诊断特征和表型.

主要方法:

一个81岁的男子的案例介绍,他患有右半径过敏症.
诊断成像包括腹部超声波和MRI.
laparoscopic胆囊切除术,随后进行宏观和显微镜检查.
针对瘤标志物的免疫组织化学分析.

主要成果:

图像检测显示,在胆囊底部有一个内壁质量,在厚厚的壁面内出现多元状.
宏观发现包括一块加厚的胆囊壁,带有多球囊囊,以及一个易碎的病变.
显微镜分析显示,在扩张的RAS中,带有高度发育不良的乳头结构,与ICPN一致.
免疫组织化学证明了MUC5AC,Hep Par-1,MUC2,CK7和CD117的阳性.

结论:

报告的ICPN呈现为粘膜下瘤,突出显示了诊断方面的挑战.
病变呈现出高度的内皮质瘤和细胞表型.
准确的ICPN诊断需要仔细的临床病理学和免疫组织化学评估.

关键词:

胆固醇切除术是一种切除术.内胆囊细胞内 papillary 瘤的发生.瘤细胞形态学瘤细胞形态学罗基坦斯基·阿什科夫的鼻.

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