胰腺浆液性囊性肿瘤及其潜在模仿者的影像学陷阱
Imaging pitfalls of pancreatic serous cystic neoplasm and its potential mimickers.
作者信息
Ishigami Kousei, Nishie Akihiro, Asayama Yoshiki, Ushijima Yasuhiro, Takayama Yukihisa, Fujita Nobuhiro, Takahata Shunichi, Ohtsuka Takao, Ito Tetsuhide, Igarashi Hisato, Ikari Shuji, Metz Catherine M, Honda Hiroshi
机构信息
Kousei Ishigami, Catherine M Metz, Department of Radiology, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, United States.
出版信息
World J Radiol. 2014 Mar 28;6(3):36-47. doi: 10.4329/wjr.v6.i3.36.
Abstract
The aim of this article is to clarify diagnostic pitfalls of pancreatic serous cystic neoplasm (SCN) that may result in erroneous characterization. Usual and unusual imaging findings of SCN as well as potential SCN mimickers are presented. The diagnostic key of SCN is to look for a cluster of microcysts (honeycomb pattern), which may not be always found in the center. Fibrosis in SCN may be mistaken for a mural nodule of intraductal papillary mucinous neoplasm (IPMN). The absence of cyst wall enhancement may be helpful to distinguish SCN from mucinous cystic neoplasm. However, oligocystic SCN and branch duct type IPMN may morphologically overlap. In addition, solid serous adenoma, an extremely rare variant of SCN, is difficult to distinguish from neuroendocrine tumor.
摘要
本文旨在阐明可能导致错误诊断的胰腺浆液性囊性肿瘤（SCN）的诊断陷阱。介绍了SCN常见和不常见的影像学表现以及可能类似SCN的病变。SCN的诊断关键是寻找一簇微囊肿（蜂窝状），其不一定总是位于中心。SCN中的纤维化可能被误诊为导管内乳头状黏液性肿瘤（IPMN）的壁结节。囊肿壁无强化有助于将SCN与黏液性囊性肿瘤区分开来。然而，少囊型SCN和分支导管型IPMN在形态上可能重叠。此外，实性浆液性腺瘤是SCN极其罕见的一种变异型，很难与神经内分泌肿瘤区分开来。
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