Ultrasound Anatomy
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Duodenum Ultrasound Anatomy

5 min read
Duodenum ultrasound image

Duodenum ultrasound anatomy is presented here as a labeled cross-sectional atlas. Every view pairs a color-coded anatomy diagram with the matching real ultrasound image, so you can learn the expected shape and position of the duodenum and then recognise it on a real scan.

In the atlas legend the duodenum belongs to the gi tract group and is shown in a consistent colour wherever it appears. The small body marker on each card shows where the transducer sits for that view, which makes it easier to reproduce the image at the bedside.

Duodenum appears in 24 labeled views in this atlas. Each card below shows the anatomy diagram, the real ultrasound image and the probe position for that scan. Coloured dots list every structure labeled in the view, with duodenum highlighted.

24Scan views

Duodenum across the atlas

Probe position, Left renal vein and right renal artery

Left renal vein and right renal artery

Vessels / Aorta and Vena Cava in Suprarenal Transverse Sections, Including the Renal Vessels · Transverse plane

AnatomyDuodenum anatomy diagram, Left renal vein and right renal artery
UltrasoundDuodenum ultrasound image, Left renal vein and right renal artery
1Aorta7Superior mesenteric artery8Right renal artery10Vena cava15Left renal vein18Splenic vein20Right lobe of liver21Left lobe of liver36Bile duct42Body of pancreas43Tail of pancreas76Duodenum90Spinal column
Probe position, Infrarenal aorta and vena cava

Infrarenal aorta and vena cava

Vessels / Aorta and Vena Cava in Infrarenal Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Infrarenal aorta and vena cava
UltrasoundDuodenum ultrasound image, Infrarenal aorta and vena cava
1Aorta7Superior mesenteric artery8Right renal artery10Vena cava15Left renal vein18Splenic vein21Left lobe of liver36Bile duct41Head of pancreas43Tail of pancreas76Duodenum90Spinal column94Artifact
Probe position, Infrarenal aorta and vena cava

Infrarenal aorta and vena cava

Vessels / Aorta and Vena Cava in Infrarenal Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Infrarenal aorta and vena cava
UltrasoundDuodenum ultrasound image, Infrarenal aorta and vena cava
1Aorta7Superior mesenteric artery10Vena cava19Superior mesenteric vein21Left lobe of liver41Head of pancreas70Stomach76Duodenum90Spinal column94Artifact
Probe position, Opening of renal vein

Opening of renal vein

Vessels / Right Renal Artery and Vein in Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Opening of renal vein
UltrasoundDuodenum ultrasound image, Opening of renal vein
1Aorta10Vena cava14Right renal vein20Right lobe of liver30Gallbladder69Adrenal gland76Duodenum90Spinal column95Psoas muscle
Probe position, Renal vein

Renal vein

Vessels / Right Renal Artery and Vein in Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Renal vein
UltrasoundDuodenum ultrasound image, Renal vein
1Aorta10Vena cava14Right renal vein20Right lobe of liver30Gallbladder60Right kidney76Duodenum90Spinal column95Psoas muscle
Probe position, Renal vein at hilum, renal artery

Renal vein at hilum, renal artery

Vessels / Right Renal Artery and Vein in Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Renal vein at hilum, renal artery
UltrasoundDuodenum ultrasound image, Renal vein at hilum, renal artery
1Aorta8Right renal artery10Vena cava14Right renal vein20Right lobe of liver30Gallbladder60Right kidney76Duodenum90Spinal column95Psoas muscle
Probe position, Renal artery

Renal artery

Vessels / Right Renal Artery and Vein in Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Renal artery
UltrasoundDuodenum ultrasound image, Renal artery
1Aorta8Right renal artery10Vena cava20Right lobe of liver30Gallbladder60Right kidney76Duodenum90Spinal column95Psoas muscle
Probe position, Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, portal vein

Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, portal vein

Liver / Central Portions of the Liver in Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, portal vein
UltrasoundDuodenum ultrasound image, Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, portal vein
1Aorta10Vena cava14Right renal vein19Superior mesenteric vein22Quadrate lobe24Ligamentum teres30Gallbladder42Body of pancreas70Stomach76Duodenum94Artifact
Probe position, Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, gallbladder

Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, gallbladder

Liver / Central Portions of the Liver in Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, gallbladder
UltrasoundDuodenum ultrasound image, Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, gallbladder
1Aorta10Vena cava14Right renal vein17Portal vein19Superior mesenteric vein22Quadrate lobe24Ligamentum teres30Gallbladder41Head of pancreas42Body of pancreas73Antrum of stomach76Duodenum
Probe position, Right portal vein branch, ligamentum venosum

Right portal vein branch, ligamentum venosum

Gallbladder / Gallbladder in Upper Abdominal Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Right portal vein branch, ligamentum venosum
UltrasoundDuodenum ultrasound image, Right portal vein branch, ligamentum venosum
4Hepatic artery10Vena cava17Portal vein20Right lobe of liver73Antrum of stomach76Duodenum92Acoustic shadow96Diaphragm
Probe position, Gallbladder neck

Gallbladder neck

Gallbladder / Gallbladder in Upper Abdominal Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Gallbladder neck
UltrasoundDuodenum ultrasound image, Gallbladder neck
10Vena cava17Portal vein20Right lobe of liver37Cystic duct70Stomach76Duodenum92Acoustic shadow
Probe position, Junction of neck and body of gallbladder

Junction of neck and body of gallbladder

Gallbladder / Gallbladder in Upper Abdominal Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Junction of neck and body of gallbladder
UltrasoundDuodenum ultrasound image, Junction of neck and body of gallbladder
10Vena cava17Portal vein20Right lobe of liver33Neck of gallbladder76Duodenum92Acoustic shadow
Probe position, Body of gallbladder

Body of gallbladder

Gallbladder / Gallbladder in Upper Abdominal Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Body of gallbladder
UltrasoundDuodenum ultrasound image, Body of gallbladder
10Vena cava14Right renal vein20Right lobe of liver32Body of gallbladder76Duodenum92Acoustic shadow
Probe position, Gallbladder fundus

Gallbladder fundus

Gallbladder / Gallbladder in Upper Abdominal Transverse Sections · Transverse plane

AnatomyDuodenum anatomy diagram, Gallbladder fundus
UltrasoundDuodenum ultrasound image, Gallbladder fundus
1Aorta10Vena cava14Right renal vein20Right lobe of liver31Fundus of gallbladder60Right kidney76Duodenum90Spinal column92Acoustic shadow94Artifact
Probe position, Vena cava, duodenum, bifurcation of portal vein

Vena cava, duodenum, bifurcation of portal vein

Gallbladder / Gallbladder in Longitudinal Sections · Longitudinal plane

AnatomyDuodenum anatomy diagram, Vena cava, duodenum, bifurcation of portal vein
UltrasoundDuodenum ultrasound image, Vena cava, duodenum, bifurcation of portal vein
4Hepatic artery10Vena cava17Portal vein20Right lobe of liver73Antrum of stomach76Duodenum94Artifact
Probe position, Right portal vein branch, duodenum, gallbladder body

Right portal vein branch, duodenum, gallbladder body

Gallbladder / Gallbladder in Longitudinal Sections · Longitudinal plane

AnatomyDuodenum anatomy diagram, Right portal vein branch, duodenum, gallbladder body
UltrasoundDuodenum ultrasound image, Right portal vein branch, duodenum, gallbladder body
4Hepatic artery10Vena cava17Portal vein20Right lobe of liver30Gallbladder76Duodenum94Artifact95Psoas muscle
Probe position, Right portal vein branch, body and neck of gallbladder

Right portal vein branch, body and neck of gallbladder

Gallbladder / Gallbladder in Longitudinal Sections · Longitudinal plane

AnatomyDuodenum anatomy diagram, Right portal vein branch, body and neck of gallbladder
UltrasoundDuodenum ultrasound image, Right portal vein branch, body and neck of gallbladder
4Hepatic artery10Vena cava17Portal vein20Right lobe of liver30Gallbladder76Duodenum94Artifact95Psoas muscle
Probe position, Layers of the gallbladder wall

Layers of the gallbladder wall

Gallbladder / Details of the Gallbladder

AnatomyDuodenum anatomy diagram, Layers of the gallbladder wall
UltrasoundDuodenum ultrasound image, Layers of the gallbladder wall
20Right lobe of liver30Gallbladder76Duodenum78Right colic flexure94Artifact
Probe position, Duodenum lateral to head of pancreas

Duodenum lateral to head of pancreas

Pancreas / Pancreas in Longitudinal Sections · Longitudinal plane

AnatomyDuodenum anatomy diagram, Duodenum lateral to head of pancreas
UltrasoundDuodenum ultrasound image, Duodenum lateral to head of pancreas
17Portal vein20Right lobe of liver36Bile duct73Antrum of stomach76Duodenum
Probe position, Kidney, vena cava

Kidney, vena cava

Adrenal Glands / Upper Abdominal Transverse Scans of the Right Adrenal Gland from Below Upward · Transverse plane

AnatomyDuodenum anatomy diagram, Kidney, vena cava
UltrasoundDuodenum ultrasound image, Kidney, vena cava
1Aorta10Vena cava20Right lobe of liver30Gallbladder60Right kidney76Duodenum90Spinal column
Probe position, Duodenal bulb, liver, vena cava

Duodenal bulb, liver, vena cava

Stomach / Upper Abdominal Longitudinal Scans of the Stomach from Left to Right · Longitudinal plane

AnatomyDuodenum anatomy diagram, Duodenal bulb, liver, vena cava
UltrasoundDuodenum ultrasound image, Duodenal bulb, liver, vena cava
10Vena cava17Portal vein22Quadrate lobe36Bile duct41Head of pancreas76Duodenum
Probe position, Duodenum, gallbladder, vena cava

Duodenum, gallbladder, vena cava

Stomach / Upper Abdominal Longitudinal Scans of the Stomach from Left to Right · Longitudinal plane

AnatomyDuodenum anatomy diagram, Duodenum, gallbladder, vena cava
UltrasoundDuodenum ultrasound image, Duodenum, gallbladder, vena cava
10Vena cava17Portal vein30Gallbladder76Duodenum
Probe position, Antrum, duodenum, liver, pancreas, gallbladder

Antrum, duodenum, liver, pancreas, gallbladder

Stomach / Upper Abdominal Transverse Scans of the Antrum and Duodenum from Above Downward · Transverse plane

AnatomyDuodenum anatomy diagram, Antrum, duodenum, liver, pancreas, gallbladder
UltrasoundDuodenum ultrasound image, Antrum, duodenum, liver, pancreas, gallbladder
1Aorta10Vena cava11Left hepatic vein20Right lobe of liver21Left lobe of liver22Quadrate lobe24Ligamentum teres30Gallbladder41Head of pancreas42Body of pancreas45Pancreatic duct73Antrum of stomach76Duodenum
Probe position, Antrum, gallbladder

Antrum, gallbladder

Stomach / Upper Abdominal Transverse Scans of the Antrum and Duodenum from Above Downward · Transverse plane

AnatomyDuodenum anatomy diagram, Antrum, gallbladder
UltrasoundDuodenum ultrasound image, Antrum, gallbladder
20Right lobe of liver21Left lobe of liver22Quadrate lobe30Gallbladder73Antrum of stomach76Duodenum

Anatomy diagrams, ultrasound images and probe positions are part of the Ultrasound Anatomy atlas. Colours follow the atlas legend, grouping vessels, organs and other structures by type.

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