Department of Diagnostic Imaging Institute and Girona Biomedical Research Institute, Dr. Josep Trueta University Hospital, Girona, Spain.
Department of Gastroenterology. Dr. Josep Trueta University Hospital, Girona, Spain.
Diagn Interv Radiol. 2020 May;26(3):193-199. doi: 10.5152/dir.2019.19241.
Duodenal tumours are uncommon, but they can cause significant morbidity and mortality. As stomach and colon are a more common site of gastrointestinal malignancies, radiologists sometimes neglect the duodenum. Multidetector computed tomography (MDCT) and magnetic resonance imaging (MRI) can accurately locate and characterize mass-forming duodenal lesions, making them invaluable for the differential diagnosis and determining management strategies such as biopsy or surgery. Although conventional endoscopy continues to play an important role in the diagnosis of duodenal tumors, MDCT and MRI are very useful for evaluating the duodenal wall, extraduodenal space, and surrounding viscera, as well as the intraluminal content seen on endoscopy. This pictorial review aims to illustrate the most common benign and malignant mass-forming duodenal lesions and to focus on the imaging features that are most helpful in reaching the correct diagnosis.
十二指肠肿瘤并不常见，但它们可引起严重的发病率和死亡率。由于胃和结肠是胃肠道恶性肿瘤的更常见部位，放射科医生有时会忽略十二指肠。多排螺旋 CT（MDCT）和磁共振成像（MRI）可准确定位和描述形成肿块的十二指肠病变，对于鉴别诊断和确定活检或手术等管理策略非常有价值。尽管传统内镜检查在十二指肠肿瘤的诊断中继续发挥重要作用，但 MDCT 和 MRI 非常有助于评估十二指肠壁、十二指肠外间隙和周围内脏，以及内镜所见的管腔内内容物。本影像学综述旨在说明最常见的良性和恶性形成肿块的十二指肠病变，并重点介绍对正确诊断最有帮助的影像学特征。
