Imaging is an integral component of the evaluation of patients with a suspected soft-tissue mass. Imaging can not only confirm the presence of a mass but can provide essential information necessary for diagnosis, local staging, and biopsy planning. Although the objectives of the evaluation have not changed, the choices available for imaging of musculoskeletal masses have evolved dramatically in recent years. The purpose of this document is to identify the most common clinical scenarios and the most appropriate imaging for their assessment on the basis of the current literature and to provide general guidance for those scenarios that are not specifically addressed. The American College of Radiology Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed annually by a multidisciplinary expert panel. The guideline development and revision include an extensive analysis of current medical literature from peer reviewed journals and the application of well-established methodologies (RAND/UCLA Appropriateness Method and Grading of Recommendations Assessment, Development, and Evaluation or GRADE) to rate the appropriateness of imaging and treatment procedures for specific clinical scenarios. In those instances where evidence is lacking or equivocal, expert opinion may supplement the available evidence to recommend imaging or treatment.

译文

成像是对怀疑有软组织肿块的患者进行评估的一个组成部分。成像不仅可以确认肿块的存在,还可以提供诊断,局部分期和活检计划所需的基本信息。尽管评估的目标没有改变,但近年来,用于肌肉骨骼肿块成像的选择已发生了巨大变化。本文件的目的是在现有文献的基础上确定最常见的临床情景和最适合其评估的影像学,并为那些没有具体解决的情景提供一般指导。美国放射学学院的适当性标准是针对特定临床状况的循证指南,每年由多学科专家小组进行审查。指南的制定和修订包括对同行评审期刊中当前医学文献的广泛分析,以及对公认的方法 (RAND/UCLA适当性方法和建议评估,开发和评估或等级的分级) 的应用,以评估适当性特定临床场景的成像和治疗程序。在证据缺乏或模棱两可的情况下,专家意见可以补充现有证据以建议成像或治疗。

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