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Imaging mimics of pancreatic ductal adenocarcinoma

机译:胰腺导管腺癌的成像模拟

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摘要

Pancreatic ductal adenocarcinoma is the most common primary malignancy of the pancreas. The classic imaging features are a hypovascular mass with proximal ductal dilatation. Different pancreatic pathologies can mimic the imaging appearance of carcinoma including other tumors involving the pancreas (pancreatic neuroendocrine tumors, lymphoma, metastasis, and rare tumors like pancreatic acinar cell carcinoma and solid pseudopapillary tumors), inflammatory processes (chronic pancreatitis and autoimmune pancreatitis), and anatomic variants (annular pancreas). Differentiation between these entities can sometimes be challenging due to overlap of imaging features. The purpose of this article is to describe the common entities that can mimic pancreatic cancer on imaging with illustrative examples and to suggest features that can help in differentiation of these entities.
机译:胰腺导管腺癌是胰腺最常见的原发性恶性肿瘤。 经典成像特征是具有近端导管扩张的血管肿块。 不同的胰腺病理可以模仿癌的成像外观,包括其他肿瘤(胰腺神经内部肿瘤,淋巴瘤,转移和稀有肿瘤等胰腺癌细胞癌和固体伪肿瘤),炎症过程(慢性胰腺炎和自身免疫胰腺炎)和 解剖学变体(环形胰腺)。 由于成像特征的重叠,这些实体之间的差异有时可能具有挑战性。 本文的目的是描述与说明性示例进行成像的胰腺癌可以模仿胰腺癌的常见实体,并提出可以帮助这些实体的分化的特征。

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