Duodenum | Radiology Reference Article - Radiopaedia.org
2024年10月4日 · The duodenum is a 20-30 cm C-shaped hollow viscus predominantly on the right side of the vertebral column. It lies at the level of L1-3 and the convexity of the duodenum (called the duodenal sweep by radiologists) usually encompasses the head of the pancreas.
Abdominal CT: small intestine • LITFL • Radiology Library
2024年6月2日 · Duodenum. The duodenum is characterized by its c-shape curving around the pancreas. The first portion of the duodenum is the duodenal bulb, which you might recognize on some CT scans by its rounded, light bulb-shape when it is filled with fluid.
Imaging Spectrum of Duodenal Emergencies | RadioGraphics
2020年9月1日 · Understanding the anatomy of the duodenum, the imaging findings of duodenal emergencies, and which segments of the duodenum are most commonly involved in various conditions can help the radiologist establish a differential diagnosis, a targeted imaging approach, and prompt treatment.
Duodenal imaging on the spotlight: from A to Z
2021年7月7日 · On CT, pancreatic tissue completely or incompletely surrounds the descending duodenum (Fig. 26), sometimes with associated duodenal narrowing and dilatation of proximal duodenum. Negative oral contrast material and imaging in the arterial phase to view the enhancing pancreatic tissue may help achieve the diagnosis.
Mass-forming lesions of the duodenum: A pictorial review
2017年10月1日 · CT remains the first line imaging modality for the detection and characterization of a wide range of duodenal mass-forming lesions. The duodenum is a portion of the gastrointestinal tract that has both an extra- and intraperitoneal location [1].
Imaging of non-neoplastic duodenal diseases. A pictorial review …
Cross-sectional imaging modalities, especially multidetector computed tomography (MDCT) and magnetic resonance imaging (MRI), enable comprehensive assessment of the duodenum and surrounding viscera.
Simple diagrammatic approach to delineate duodenum on a …
We intend to propose a simple step-by-step pictorial essay of identifying all the four parts of the duodenum with RTOG guideline as the benchmark. For the ease of identification, we considered planning CT scans from patients planned for treatment of non-abdominal sites. Patients were asked to fast 4 h prior to CT scan.
CT of the Duodenum: An Overlooked Segment Gets Its Due
2001年10月1日 · While small bowel malignancies are relatively rare, lipoma, adenoma, and adenocarcinoma, as well as local extension from adjacent malignancies, can be diagnosed at CT. Careful CT technique and attention to the duodenum can result in reliable prospective diagnoses.
CT of the Duodenum - SpringerLink
The current widespread use of abdominal CT, however, has also resulted in the detection of various duodenal abnormalities (Jayaraman et al. 2001; Zissin et al. 2002). This chapter reviews the CT findings of a spectrum of different common …
Imaging spectrum of non-neoplastic and neoplastic conditions of …
2023年4月26日 · Right lateral double contrast upper gastrointestinal series spot images (A), axial CT (b) and MIP curved reconstructed CT image (c) show a dilated stomach and proximal duodenum, associated with narrowing of the duodenal lumen (arrow) (A) and compression at the SMA level (arrowhead) (C)