CT abdomen/pelvis sagittal - labeling questions

Case contributed by Dr Craig Hacking
Annotated image

Normal CT abdomen/pelvis (with labels)

The labeled structures are (excluding the correct side):

  1. external oblique muscle
  2. internal oblique muscle
  3. hepatic flexure
  4. transversus abdominis muscle
  5. right kidney
  6. gallbladder
  7. iliacus muscle
  8. ileocecal valve
  9. cecum
  10. terminal ileum
  11. vermiform appendix
  12. second part of the duodenum
  13. right hemidiaphragm
  14. right common femoral artery
  15. right hepatic artery
  16. right portal vein
  17. common hepatic duct
  18. first part of the duodenum
  19. pylorus
  20. ileum
  21. cystic artery
  22. superficial epigastric artery
  23. piriformis muscle
  24. right external iliac artery
  25. right hepatic vein
  26. left portal vein
  27. extrapancreatic portion of the common bile duct
  28. left hepatic artery
  29. intrapancreatic portion of the common bile duct
  30. right external iliac vein
  31. uncinate process of the pancreas
  32. pelvic portion of the ureter
  33. intrahepatic portion of the inferior vena cava
  34. suprarenal portion of the inferior vena cava
  35. portal vein
  36. head of the pancreas
  37. middle hepatic vein
  38. transverse colon
  39. right common iliac vein
  40. right internal iliac vein
  41. thoracic portion of the inferior vena cava
  42. main pancreatic duct
  43. vesicoureteric junction
  44. common hepatic artery
  45. neck of the pancreas
  46. superior mesenteric vein
  47. right internal iliac artery
  48. right crus of the diaphragm
  49. infrarenal portion of the inferior vena cava
  50. left hepatic vein
  51. erector spinae muscle group
  52. third part of the duodenum
  53. right common iliac artery
  54. left gastric artery
  55. left common iliac vein
  56. suprarenal portion of the abdominal aorta
  57. superior mesenteric artery
  58. umbilicus
  59. suspensory ligament of the penis
  60. gastro-esophageal junction
  61. celiac trunk
  62. prostate gland
  63. corpus cavernosum of the penis
  64. infrarenal portion of the abdominal aorta
  65. anorectal angle
  66. anal canal
  67. fourth part of the duodenum
  68. inferior mesenteric artery
  69. urinary bladder
  70. splenic vein
  71. left crus of the diaphragm
  72. rectum
  73. duodenojejunal flexure
  74. left common iliac artery
  75. splenic artery
  76. tendinous intersection within the rectus abdominis muscle
  77. levator ani muscle
  78. body of the pancreas
  79. retropubic space (of Retzius)
  80. inferior mesenteric vein
  81. seminal vesicle
  82. sigmoid colon
  83. spermatic cord
  84. abdominal portion of the ureter
  85. internal obturator muscle
  86. psoas major muscle
  87. body of the stomach
  88. inferior epigastric artery
  89. ductus deferens
  90. left kidney
  91. left external iliac artery
  92. rectus abdominis muscle
  93. obturator artery
  94. external obturator muscle
  95. jejunum
  96. tail of the pancreas
  97. fundus of the stomach
  98. spleen
  99. quadratus lumborum muscle
  100. splenic flexure
  101. descending colon
  102. left hemidiaphragm
CT

Normal CT abdomen/pelvis (without labels)

The same normal abdominopelvic CT without labels for reference.

Case Discussion

The labeled structures are (excluding the correct side):

  1. external oblique muscle
  2. internal oblique muscle
  3. hepatic flexure
  4. transversus abdominis muscle
  5. right kidney
  6. gallbladder
  7. iliacus muscle
  8. ileocecal valve
  9. cecum
  10. terminal ileum
  11. vermiform appendix
  12. second part of the duodenum
  13. right hemidiaphragm
  14. right common femoral artery
  15. right hepatic artery
  16. right portal vein
  17. common hepatic duct
  18. first part of the duodenum
  19. pylorus
  20. ileum
  21. cystic artery
  22. superficial epigastric artery
  23. piriformis muscle
  24. right external iliac artery
  25. right hepatic vein
  26. left portal vein
  27. extrapancreatic portion of the common bile duct
  28. left hepatic artery
  29. intrapancreatic portion of the common bile duct
  30. right external iliac vein
  31. uncinate process of the pancreas
  32. pelvic portion of the ureter
  33. intrahepatic portion of the inferior vena cava
  34. suprarenal portion of the inferior vena cava
  35. portal vein
  36. head of the pancreas
  37. middle hepatic vein
  38. transverse colon
  39. right common iliac vein
  40. right internal iliac vein
  41. thoracic portion of the inferior vena cava
  42. main pancreatic duct
  43. vesicoureteric junction
  44. common hepatic artery
  45. neck of the pancreas
  46. superior mesenteric vein
  47. right internal iliac artery
  48. right crus of the diaphragm
  49. infrarenal portion of the inferior vena cava
  50. left hepatic vein
  51. erector spinae muscle group
  52. third part of the duodenum
  53. right common iliac artery
  54. left gastric artery
  55. left common iliac vein
  56. suprarenal portion of the abdominal aorta
  57. superior mesenteric artery
  58. umbilicus
  59. suspensory ligament of the penis
  60. gastro-esophageal junction
  61. celiac trunk
  62. prostate gland
  63. corpus cavernosum of the penis
  64. infrarenal portion of the abdominal aorta
  65. anorectal angle
  66. anal canal
  67. fourth part of the duodenum
  68. inferior mesenteric artery
  69. urinary bladder
  70. splenic vein
  71. left crus of the diaphragm
  72. rectum
  73. duodenojejunal flexure
  74. left common iliac artery
  75. splenic artery
  76. tendinous intersection within the rectus abdominis muscle
  77. levator ani muscle
  78. body of the pancreas
  79. retropubic space (of Retzius)
  80. inferior mesenteric vein
  81. seminal vesicle
  82. sigmoid colon
  83. spermatic cord
  84. abdominal portion of the ureter
  85. internal obturator muscle
  86. psoas major muscle
  87. body of the stomach
  88. inferior epigastric artery
  89. ductus deferens
  90. left kidney
  91. left external iliac artery
  92. rectus abdominis muscle
  93. obturator artery
  94. external obturator muscle
  95. jejunum
  96. tail of the pancreas
  97. fundus of the stomach
  98. spleen
  99. quadratus lumborum muscle
  100. splenic flexure
  101. descending colon
  102. left hemidiaphragm
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Case information

rID: 64809
Published: 13th Dec 2018
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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