A pictorial essay on cross-sectional imaging findings of pathologies in the second (D2) segment of the duodenum in adults

IF 2.2 3区 医学 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Abdominal Radiology Pub Date : 2025-02-23 DOI:10.1007/s00261-025-04846-7
Isil Basara Akin, Muhammed Enes Oguzturk, Bengisu Kandemir, Nihal Deniz Mentes, Canan Altay
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Abstract

The duodenum, the initial segment of the small intestine, is divided into four parts: the superior (D1), descending (second) (D2), horizontal (D3), and ascending (D4) segments. Despite its short length, the descending part (D2 segment) holds clinical significance due to its anatomical proximity to structures such as the gallbladder, right kidney, colon, and pancreas. This anatomical localization and contiguity give rise to various pathologies, including congenital, inflammatory, infectious, neoplastic, vascular, and traumatic conditions. Cross-sectional imaging modalities play a pivotal role in evaluating pathologies of the second (D2) segment of the duodenum. This article aims to provide a comprehensive overview of these pathologies and delineate their imaging characteristics.

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一篇关于成人十二指肠第二段(D2)病理的横断面成像结果的图画文章。
十二指肠是小肠的起始段,分为四部分:上段(D1)、降段(D2)、水平段(D3)和升段(D4)。尽管降段(D2节段)长度较短,但由于其在解剖学上接近胆囊、右肾、结肠和胰腺等结构,因此具有临床意义。这种解剖上的定位和邻近引起各种病理,包括先天性、炎症性、感染性、肿瘤性、血管性和创伤性疾病。横断成像模式在评估十二指肠第二段(D2)的病理方面起着关键作用。本文旨在提供这些病理的全面概述和描绘他们的影像学特征。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Abdominal Radiology
Abdominal Radiology Medicine-Radiology, Nuclear Medicine and Imaging
CiteScore
5.20
自引率
8.30%
发文量
334
期刊介绍: Abdominal Radiology seeks to meet the professional needs of the abdominal radiologist by publishing clinically pertinent original, review and practice related articles on the gastrointestinal and genitourinary tracts and abdominal interventional and radiologic procedures. Case reports are generally not accepted unless they are the first report of a new disease or condition, or part of a special solicited section. Reasons to Publish Your Article in Abdominal Radiology: · Official journal of the Society of Abdominal Radiology (SAR) · Published in Cooperation with: European Society of Gastrointestinal and Abdominal Radiology (ESGAR) European Society of Urogenital Radiology (ESUR) Asian Society of Abdominal Radiology (ASAR) · Efficient handling and Expeditious review · Author feedback is provided in a mentoring style · Global readership · Readers can earn CME credits
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