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Abdomen and Pelvis - Interactive Atlas of Cross-Sectional Anatomy

Atlas-CT

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Method

An enhanced (portal venous phase – 70 seconds) multidetector computed tomography was performed on a healthy subject in axial plane with coronal and sagittal reformatted images.
Data and DICOM images stocked on our PACS (Picture Archiving and Communicating System) were processed and exported as JPEG images.
With the software Macromedia Flash and Adobe Photoshop we have developed an atlas based application with a suitable functionality and user interface for the study of the abdomen and pelvis anatomy (labeled according to the Terminologia Anatomica).

Anatomy of the abdominal cavity and the male pelvis: how to visualize anatomic labels

This tool provides access to a CT atlas s in the axial plane, allowing the user to learn abdominal anatomy interactively. Images are labeled, providing an invaluable medical animation. The test mode allows instant evaluation of user progress.
The horizontal menu gives access to the groups of anatomical labels:
Organs : liver, spleen, suprarenal gland, pancreas, gallbladder,
Digestive tract : esophagus, stomach, pyloric antrum, duodenum, jejunum, ileum, colon (caecum, ascending, transverse, descending colon, right and left colic flexure, sigmoid), rectum
Urinary system :kidney (renal cortex and sinus), ureter, urinary bladder, prostate, urethra
Arteries : abdominal aorta, iliac arteries, mesenteric arteries (inferior and superior), renal, splenic, heptatic, gastroduondenal, cystic arteries
Veins : gonadic (testicular), iliac, epigastric, pudendal, gluteal, renal, hemiazygos veins, inferior vena cava
Portal system : mesenteric (inferior and superior), splenic, hepatic portal veins
Muscles, fascia, diaphragma
Bones : ilium, sacrum, ribs
Nerves
Peritoneal cavity and spaces
Lymph nodes regions

As the cursor is moved over a particular anatomic area of the liver, that liver segment is highlighted and labeled: this tool has been chosen to show hepatic segmentation:
- Segment 1 : posterior segment – caudate lobe
- Segment 2 : left posterior lateral segment
- Segment 3 : left anterior lateral segment
- Segment 4 : left medial segment
- Segment 5 : anterior medial segment
- Segment 6 : anterior lateral segment
- Segment 7 : posterior lateral segment
- Segment 8 : posterior medial segment

The vertical left menu provides coronal and sagittal reformatted images of the abdomen and pelvis, with digestive medical illustration based on a three dimensional (3D) model (volume rendering of the CT).
This module is a comprehensive and affordable learning tool for radiology and medical students and residents and especially for radiologist, surgeons and gastrologists.

Click to enlarge

Labeled anatomical structures

Labels of this human anatomical atlas ( English, French and Latin (terminologia anatomica)) :

Abdominal aorta
Anatomical structures
Anterior lateral segment; Segment VI
Anterior medial segment; Segment V
Aortic bifurcation
Appendix
Appendix
Arteries
Ascending colon
Bile duct
Body of pancreas
Body of stomach
Bones
Caecum
Cardia
Caudate lobe
Coeliac trunk
Common hepatic artery
Common iliac artery
Common iliac nodes
Common iliac vein
Costodiaphragmatic recess
Cystic artery
Cystic duct
Cystic node
Deep circumflex iliac artery
Descending colon
Diaphragm
Diaphragm
Diaphragm (Left crus)
Diaphragm (Right crus)
Digestive Tract
Duodenum (Ascending part)
Duodenum (Descending part)
Duodenum (Inferior part; Horizontal part; Transverse part)
Duodenum (Superior part)
External iliac artery
External iliac nodes
External iliac vein
External oblique
Fascia lata
Femoral artery
Femoral nerve
Femur; Thigh bone
Fundus of stomach
Gallbladder
Gastroduodenal artery
Gluteal nodes
Gluteus maximus
Gluteus medius
Gluteus minimus
Greater curvature (Stomach)
Greater omentum
Head of pancreas
Hemiazygos vein; Inferior hemiazygos vein
Hepatic artery proper
Hepatic nodes
Hepatic portal vein
Hepatorenal recess
Hilum of kidney
Hip joint
Ileum
Iliacus
Iliocostalis
Iliocostalis lumborum
Iliopsoas
Ilium (Ala of ilium; Wing of ilium)
Ilium (Body of ilium)
Inferior calyx
Inferior diaphragmatic nodes
Inferior duodenal fossa
Inferior epigastric artery
Inferior epigastric vein
Inferior gluteal artery
Inferior gluteal vein
Inferior mesenteric artery
Inferior mesenteric vein
Inferior vena cava
Intercostal nodes
Intermediate hepatic vein
Internal iliac artery
Internal iliac vein
Internal oblique
Internal pudendal artery
Internal pudendal vein
Ischium
Jejunum
Kidney
L1
L2
L3
L4
L5
Latissimus dorsi
Left anterior lateral segment; Segment III
Left branch
Left branch
Left colic flexure
Left gastric artery
Left gastric vein
Left hepatic vein
Left lobe of liver
Left lumbar nodes
Left medial segment; Segment IV
Left medial segment; Segment IV
Left posterior lateral segment; Segment II
Left testicular vein male
Lesser curvature (Stomach)
Levator ani (Iliococcygeus)
Levator ani (Puborectalis)
Linea alba
Liver (Superior part)
Longissimus thoracis
Lumbar arteries
Lumbar nerves L1L5
Lumbar nerves L1L5 (L4)
Lumbar nerves L1L5 (L5)
Lumbar veins
Lumbocostal triangle
Lumbosacral plexus
Lymph nodes regions
Median sacral artery
Mesentery
Middle calyx
Muscles and Abdominal wall
Nerves
Obturator artery
Obturator internus
Oesophagus
Organs
Pancreatic nodes
Paracolic gutters
Paracolic gutters
Pararectal fossa
Pararectal nodes
Paravesical fossa
Peritoneal cavity and Spaces
Piriformis
Pleural recesses
Portal system
Posterior lateral segment; Segment VII
Posterior medial segment; Segment VIII
Posterior segment; Caudate lobe; Segment I
Promontorial nodes
Prostate
Psoas major
Pyelo-ureteral junction
Pyloric antrum
Pylorus
Quadrate lobe
Quadratus lumborum
Rectovesical pouch male
Rectum
Rectus abdominis
Rectus femoris
Renal artery
Renal artery
Renal cortex
Renal pelvis
Renal pyramids
Renal sinus
Renal veins
Renal veins
Retropubic space
Right branch
Right branch
Right colic flexure
Right hepatic vein
Right lobe of liver
Right testicular vein male
Round ligament of liver
Sacral nerves and coccygeal nerve S1S5, Co (S1)
Sacral nerves and coccygeal nerve S1S5, Co (S2)
Sacral nerves and coccygeal nerve S1S5, Co (S3)
Sacral nodes
Sacral plexus
Sacroiliac joint
Sacrum
Sartorius
Sciatic nerve
Seminal vesicle
Sigmoid colon
Sigmoid colon
Sigmoid colon
Spinalis thoracis
Splenic artery
Splenic vein
Subphrenic space
Superior calyx
Superior diaphragmatic nodes
Superior duodenal fossa
Superior gluteal artery
Superior gluteal vein
Superior mesenteric artery
Superior mesenteric nodes
Superior mesenteric vein
Suprarenal gland; Adrenal gland
Suprarenal gland; Adrenal gland
Supravesical fossa
T11
T12
Tail of pancreas
Tensor of fascia lata
Thoracolumbar fascia
Transverse colon
Transverse colon
Transversus abdominis; Transverse abdominal
Umbilical ring
Uncinate process
Ureter
Ureter
Urinary System
Urinary bladder
Veins
Vertebral canal

Comments (4)

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Great site, April 07, 2008

By mike eyob

Thank you !! and keep up great work you doing.

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Mistake found, January 18, 2008

By antonio privitera

In the pelvis anatomy, the rectum is labelled as sigmoid!

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I agree, January 19, 2008

By Micheau Antoine

Yes, I agree that the rectum should be labeled a little bit higher. It will be changed for e-anatomy v2.0

thank you for your comment.

Antoine Micheau - MD - Montpellier

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Appreciation, January 10, 2008

By Vijay S

This is what we were longing for. And finally its here. Thanks to you guys!!! we're grateful to you!

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