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Multimodality imaging of small bowel neoplasms

机译：小肠肿瘤的多模成像

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Although the small intestine accounts for over 90% of the surface area of the alimentary tract, tumors of the small intestine represent less than 5% of all gastrointestinal tract neoplasms. Common small bowel tumors typically are well evaluated with cross-sectional imaging modalities such as CT and MR, but accurate identification and differentiation can be challenging. Differentiating normal bowel from abnormal tumor depends on imaging modality and the particular technique. While endoscopic evaluation is typically more sensitive for the detection of intraluminal tumors that can be reached, CT and MR, as well as select nuclear medicine studies, remain superior for evaluating extraluminal neoplasms. Understanding the imaging characteristics of typical benign and malignant small bowel tumors is critical, because of overlapping features and associated secondary complications.
机译：虽然小肠占消化道的90％以上的90％，但小肠的肿瘤代表了所有胃肠道肿瘤的5％。 常见的小肠肿瘤通常通过诸如CT和MR的横截面成像方式进行很好的评估，但精确的鉴定和分化可能是挑战性的。 区分来自异常肿瘤的正常肠取决于成像模态和特定技术。 虽然内窥镜评估通常对检测到可以达到的腔内肿瘤的敏感性，但CT和MR，以及选择核医学研究，仍然优于评估睑板肿瘤。 了解典型良性和恶性小肠肿瘤的成像特征是关键的，因为具有重叠的特征和相关的二次并发症。

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