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Quadrate Lobe Ultrasound Anatomy

8 min read

Quadrate lobe ultrasound image

Quadrate lobe 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 quadrate lobe and then recognise it on a real scan.

In the atlas legend the quadrate lobe belongs to the liver 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.

Quadrate lobe appears in 35 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 quadrate lobe highlighted.

35Scan views

Quadrate lobe across the atlas

Probe position, Celiac trunk

Celiac trunk

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

Quadrate lobe anatomy diagram, Celiac trunk

Quadrate lobe ultrasound image, Celiac trunk

1Aorta3Celiac trunk6Left gastric artery10Vena cava17Portal vein20Right lobe of liver21Left lobe of liver22Quadrate lobe24Ligamentum teres43Tail of pancreas70Stomach90Spinal column96Diaphragm

Probe position, Celiac trunk

Celiac trunk

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

Quadrate lobe anatomy diagram, Celiac trunk

Quadrate lobe ultrasound image, Celiac trunk

1Aorta3Celiac trunk10Vena cava17Portal vein18Splenic vein20Right lobe of liver21Left lobe of liver22Quadrate lobe43Tail of pancreas70Stomach90Spinal column96Diaphragm

Probe position, Hepatic artery

Hepatic artery

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

Quadrate lobe anatomy diagram, Hepatic artery

Quadrate lobe ultrasound image, Hepatic artery

1Aorta3Celiac trunk4Hepatic artery10Vena cava17Portal vein18Splenic vein20Right lobe of liver21Left lobe of liver22Quadrate lobe43Tail of pancreas90Spinal column96Diaphragm

Probe position, Splenic artery

Splenic artery

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

Quadrate lobe anatomy diagram, Splenic artery

Quadrate lobe ultrasound image, Splenic artery

1Aorta3Celiac trunk4Hepatic artery5Splenic artery10Vena cava17Portal vein18Splenic vein20Right lobe of liver21Left lobe of liver22Quadrate lobe43Tail of pancreas90Spinal column96Diaphragm

Probe position, Superior mesenteric artery

Superior mesenteric artery

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

Quadrate lobe anatomy diagram, Superior mesenteric artery

Quadrate lobe ultrasound image, Superior mesenteric artery

1Aorta4Hepatic artery5Splenic artery7Superior mesenteric artery10Vena cava17Portal vein18Splenic vein20Right lobe of liver21Left lobe of liver22Quadrate lobe43Tail of pancreas61Left kidney90Spinal column96Diaphragm

Probe position, Superior mesenteric artery

Superior mesenteric artery

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

Quadrate lobe anatomy diagram, Superior mesenteric artery

Quadrate lobe ultrasound image, Superior mesenteric artery

1Aorta4Hepatic artery7Superior mesenteric artery10Vena cava18Splenic vein20Right lobe of liver21Left lobe of liver22Quadrate lobe36Bile duct43Tail of pancreas61Left kidney90Spinal column96Diaphragm

Probe position, Bile duct, gallbladder, vena cava

Bile duct, gallbladder, vena cava

Vessels / Vessels of the Porta Hepatis in Transverse Sections · Transverse plane

Quadrate lobe anatomy diagram, Bile duct, gallbladder, vena cava

Quadrate lobe ultrasound image, Bile duct, gallbladder, vena cava

1Aorta10Vena cava18Splenic vein20Right lobe of liver21Left lobe of liver22Quadrate lobe24Ligamentum teres30Gallbladder36Bile duct40Pancreas70Stomach90Spinal column96Diaphragm

Probe position, Bile duct, gallbladder, superior mesenteric vein

Bile duct, gallbladder, superior mesenteric vein

Vessels / Vessels of the Porta Hepatis in Transverse Sections · Transverse plane

Quadrate lobe anatomy diagram, Bile duct, gallbladder, superior mesenteric vein

Quadrate lobe ultrasound image, Bile duct, gallbladder, superior mesenteric vein

1Aorta7Superior mesenteric artery10Vena cava19Superior mesenteric vein20Right lobe of liver21Left lobe of liver22Quadrate lobe24Ligamentum teres30Gallbladder36Bile duct40Pancreas90Spinal column96Diaphragm

Probe position, Left hepatic vein, ligamentum teres, boundary between lateral and medial segments, caudate lobe

Left hepatic vein, ligamentum teres, boundary between lateral and medial segments, caudate lobe

Liver / Liver in Longitudinal Sections · Longitudinal plane

Quadrate lobe anatomy diagram, Left hepatic vein, ligamentum teres, boundary between lateral and medial segments, caudate lobe

Quadrate lobe ultrasound image, Left hepatic vein, ligamentum teres, boundary between lateral and medial segments, caudate lobe

10Vena cava11Left hepatic vein17Portal vein20Right lobe of liver22Quadrate lobe23Caudate lobe24Ligamentum teres41Head of pancreas90Spinal column

Probe position, Left hepatic vein, ligamentum teres, boundary between lateral and medial segments, caudate lobe

Left hepatic vein, ligamentum teres, boundary between lateral and medial segments, caudate lobe

Liver / Liver in Longitudinal Sections · Longitudinal plane

Quadrate lobe anatomy diagram, Left hepatic vein, ligamentum teres, boundary between lateral and medial segments, caudate lobe

Quadrate lobe ultrasound image, Left hepatic vein, ligamentum teres, boundary between lateral and medial segments, caudate lobe

10Vena cava17Portal vein20Right lobe of liver22Quadrate lobe93Gas96Diaphragm

Probe position, Medial segment, subsegment IV, quadrate lobe

Medial segment, subsegment IV, quadrate lobe

Liver / Liver in Longitudinal Sections · Longitudinal plane

Quadrate lobe anatomy diagram, Medial segment, subsegment IV, quadrate lobe

Quadrate lobe ultrasound image, Medial segment, subsegment IV, quadrate lobe

10Vena cava17Portal vein22Quadrate lobe27Medial segment30Gallbladder93Gas94Artifact

Probe position, Left lobe of liver, lateral segment, ligamentum teres

Left lobe of liver, lateral segment, ligamentum teres

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

Quadrate lobe anatomy diagram, Left lobe of liver, lateral segment, ligamentum teres

Quadrate lobe ultrasound image, Left lobe of liver, lateral segment, ligamentum teres

1Aorta4Hepatic artery7Superior mesenteric artery10Vena cava15Left renal vein17Portal vein18Splenic vein22Quadrate lobe24Ligamentum teres26Lateral segment27Medial segment42Body of pancreas43Tail of pancreas45Pancreatic duct72Body of stomach93Gas94Artifact96Diaphragm

Probe position, Left lobe of liver, subsegment III, ligamentum teres

Left lobe of liver, subsegment III, ligamentum teres

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

Quadrate lobe anatomy diagram, Left lobe of liver, subsegment III, ligamentum teres

Quadrate lobe ultrasound image, Left lobe of liver, subsegment III, ligamentum teres

1Aorta10Vena cava15Left renal vein22Quadrate lobe24Ligamentum teres26Lateral segment27Medial segment70Stomach93Gas94Artifact

Probe position, Medial and anterior hepatic segments, right and left portal vein branches

Medial and anterior hepatic segments, right and left portal vein branches

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

Quadrate lobe anatomy diagram, Medial and anterior hepatic segments, right and left portal vein branches

Quadrate lobe ultrasound image, Medial and anterior hepatic segments, right and left portal vein branches

1Aorta7Superior mesenteric artery9Left renal artery10Vena cava15Left renal vein17Portal vein18Splenic vein22Quadrate lobe24Ligamentum teres43Tail of pancreas70Stomach90Spinal column

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

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

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

1Aorta7Superior mesenteric artery10Vena cava14Right renal vein18Splenic vein22Quadrate lobe24Ligamentum teres43Tail of pancreas70Stomach90Spinal column

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

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

Quadrate lobe 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

Quadrate lobe anatomy diagram, Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, gallbladder

Quadrate lobe 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, 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

Quadrate lobe anatomy diagram, Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, gallbladder

Quadrate lobe ultrasound image, Medial and anterior hepatic segments, quadrate lobe, ligamentum teres, gallbladder

22Quadrate lobe24Ligamentum teres30Gallbladder60Right kidney77Small bowel94Artifact

Probe position, Head of pancreas, bile duct

Head of pancreas, bile duct

Pancreas / Pancreas in Longitudinal Sections · Longitudinal plane

Quadrate lobe anatomy diagram, Head of pancreas, bile duct

Quadrate lobe ultrasound image, Head of pancreas, bile duct

4Hepatic artery10Vena cava17Portal vein22Quadrate lobe23Caudate lobe36Bile duct41Head of pancreas73Antrum of stomach

Probe position, Head of pancreas, hilar vessels, vena cava

Head of pancreas, hilar vessels, vena cava

Pancreas / Pancreas in Longitudinal Sections · Longitudinal plane

Quadrate lobe anatomy diagram, Head of pancreas, hilar vessels, vena cava

Quadrate lobe ultrasound image, Head of pancreas, hilar vessels, vena cava

4Hepatic artery8Right renal artery10Vena cava17Portal vein22Quadrate lobe41Head of pancreas70Stomach90Spinal column92Acoustic shadow

Probe position, Head of pancreas, superior mesenteric vein, uncinate process

Head of pancreas, superior mesenteric vein, uncinate process

Pancreas / Pancreas in Longitudinal Sections · Longitudinal plane

Quadrate lobe anatomy diagram, Head of pancreas, superior mesenteric vein, uncinate process

Quadrate lobe ultrasound image, Head of pancreas, superior mesenteric vein, uncinate process

4Hepatic artery8Right renal artery10Vena cava17Portal vein19Superior mesenteric vein22Quadrate lobe23Caudate lobe41Head of pancreas44Uncinate process90Spinal column94Artifact

Probe position, Head of pancreas, superior mesenteric vein, uncinate process

Head of pancreas, superior mesenteric vein, uncinate process

Pancreas / Pancreas in Longitudinal Sections · Longitudinal plane

Quadrate lobe anatomy diagram, Head of pancreas, superior mesenteric vein, uncinate process

Quadrate lobe ultrasound image, Head of pancreas, superior mesenteric vein, uncinate process

4Hepatic artery8Right renal artery10Vena cava19Superior mesenteric vein22Quadrate lobe41Head of pancreas44Uncinate process90Spinal column94Artifact

Probe position, Body of pancreas, splenic vein

Body of pancreas, splenic vein

Pancreas / Pancreas in Longitudinal Sections · Longitudinal plane

Quadrate lobe anatomy diagram, Body of pancreas, splenic vein

Quadrate lobe ultrasound image, Body of pancreas, splenic vein

1Aorta4Hepatic artery18Splenic vein19Superior mesenteric vein22Quadrate lobe42Body of pancreas90Spinal column96Diaphragm

Probe position, Section cranial to head of pancreas, vena cava, splenic vein

Section cranial to head of pancreas, vena cava, splenic vein

Pancreas / Head of the Pancreas in Transverse Sections · Transverse plane

Quadrate lobe anatomy diagram, Section cranial to head of pancreas, vena cava, splenic vein

Quadrate lobe ultrasound image, Section cranial to head of pancreas, vena cava, splenic vein

1Aorta10Vena cava18Splenic vein20Right lobe of liver21Left lobe of liver22Quadrate lobe42Body of pancreas43Tail of pancreas90Spinal column

Probe position, Head of pancreas, vena cava, superior mesenteric vein

Head of pancreas, vena cava, superior mesenteric vein

Pancreas / Head of the Pancreas in Transverse Sections · Transverse plane

Quadrate lobe anatomy diagram, Head of pancreas, vena cava, superior mesenteric vein

Quadrate lobe ultrasound image, Head of pancreas, vena cava, superior mesenteric vein

1Aorta19Superior mesenteric vein20Right lobe of liver21Left lobe of liver22Quadrate lobe36Bile duct41Head of pancreas44Uncinate process60Right kidney90Spinal column94Artifact

Probe position, Head of pancreas, vena cava, superior mesenteric vein, uncinate process, common bile duct

Head of pancreas, vena cava, superior mesenteric vein, uncinate process, common bile duct

Pancreas / Head of the Pancreas in Transverse Sections · Transverse plane

Quadrate lobe anatomy diagram, Head of pancreas, vena cava, superior mesenteric vein, uncinate process, common bile duct

Quadrate lobe ultrasound image, Head of pancreas, vena cava, superior mesenteric vein, uncinate process, common bile duct

1Aorta10Vena cava19Superior mesenteric vein20Right lobe of liver21Left lobe of liver22Quadrate lobe30Gallbladder36Bile duct41Head of pancreas60Right kidney90Spinal column94Artifact

Probe position, Head of pancreas, vena cava, superior mesenteric vein, uncinate process, gallbladder

Head of pancreas, vena cava, superior mesenteric vein, uncinate process, gallbladder

Pancreas / Head of the Pancreas in Transverse Sections · Transverse plane

Quadrate lobe anatomy diagram, Head of pancreas, vena cava, superior mesenteric vein, uncinate process, gallbladder

Quadrate lobe ultrasound image, Head of pancreas, vena cava, superior mesenteric vein, uncinate process, gallbladder

1Aorta10Vena cava19Superior mesenteric vein20Right lobe of liver21Left lobe of liver22Quadrate lobe30Gallbladder36Bile duct41Head of pancreas44Uncinate process60Right kidney70Stomach90Spinal column94Artifact

Probe position, Transverse scan of pancreatic duct

Transverse scan of pancreatic duct

Pancreas / Details of the Pancreas

Quadrate lobe anatomy diagram, Transverse scan of pancreatic duct

Quadrate lobe ultrasound image, Transverse scan of pancreatic duct

19Superior mesenteric vein20Right lobe of liver21Left lobe of liver22Quadrate lobe24Ligamentum teres30Gallbladder41Head of pancreas42Body of pancreas43Tail of pancreas44Uncinate process45Pancreatic duct70Stomach94Artifact

Probe position, Body of stomach, aorta, liver

Body of stomach, aorta, liver

Stomach / Upper Abdominal Transverse Scans of the Gastric Cardia from Above Downward · Transverse plane

Quadrate lobe anatomy diagram, Body of stomach, aorta, liver

Quadrate lobe ultrasound image, Body of stomach, aorta, liver

1Aorta3Celiac trunk22Quadrate lobe90Spinal column96Diaphragm

Probe position, Esophagus, aorta, liver

Esophagus, aorta, liver

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

Quadrate lobe anatomy diagram, Esophagus, aorta, liver

Quadrate lobe ultrasound image, Esophagus, aorta, liver

1Aorta6Left gastric artery22Quadrate lobe96Diaphragm

Probe position, Antrum, liver, pancreas

Antrum, liver, pancreas

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

Quadrate lobe anatomy diagram, Antrum, liver, pancreas

Quadrate lobe ultrasound image, Antrum, liver, pancreas

22Quadrate lobe42Body of pancreas73Antrum of stomach77Small bowel94Artifact

Probe position, Pylorus, pancreas, liver

Pylorus, pancreas, liver

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

Quadrate lobe anatomy diagram, Pylorus, pancreas, liver

Quadrate lobe ultrasound image, Pylorus, pancreas, liver

4Hepatic artery10Vena cava17Portal vein22Quadrate lobe23Caudate lobe36Bile duct41Head of pancreas73Antrum of stomach75Duodenal bulb

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

Quadrate lobe anatomy diagram, Duodenal bulb, liver, vena cava

Quadrate lobe ultrasound image, Duodenal bulb, liver, vena cava

10Vena cava17Portal vein22Quadrate lobe36Bile duct41Head of pancreas76Duodenum

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

Quadrate lobe anatomy diagram, Antrum, duodenum, liver, pancreas, gallbladder

Quadrate lobe 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

Quadrate lobe anatomy diagram, Antrum, gallbladder

Quadrate lobe 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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