CT angiogram abdomen/pelvis coronal - labeling questions

Case contributed by Assoc Prof Craig Hacking

Normal CTA (with labels)

Annotated image

The labeled structures are (excluding the correct side):

  1. superior epigastric artery
  2. inferior epigastric artery
  3. internal thoracic (mammary) artery
  4. right gastro-epiploic (gastro-omental) artery
  5. inferior epigastric artery
  6. right ventricle
  7. middle colic artery (shared trunk with RCA, variant)
  8. common femoral artery
  9. middle segment of right coronary artery
  10. middle hepatic vein
  11. superior mesenteric vein
  12. superficial circumflex iliac artery
  13. jejunal artery (one of several)
  14. ileal artery (one of several)
  15. deep circumflex iliac artery
  16. superficial femoral artery
  17. left portal vein
  18. right gastric artery
  19. right colic artery (shared trunk with MCA, variant)
  20. common hepatic artery proper
  21. ileal artery (one of several)
  22. profunda femoris artery
  23. left hepatic vein
  24. right portal vein
  25. superior pancreaticoduodenal artery
  26. jejunal artery (one of several)
  27. distal segment of right coronary artery
  28. left hepatic artery
  29. gastroduodenal artery
  30. common hepatic artery
  31. right hepatic artery
  32. external iliac artery
  33. aberrant obturator artery (off inferior epigastric artery, variant)
  34. portal vein
  35. ileocolic artery
  36. inferior pancreaticoduodenal artery
  37. inferior mesenteric artery
  38. right common iliac artery
  39. muscular perforator branch of profunda femoris artery
  40. left colic artery
  41. sigmoid artery (one of several)
  42. right atrium
  43. abdominal aorta
  44. inferior mesenteric vein
  45. left gastric artery
  46. infrarenal segment of inferior vena cava
  47. lumbar artery
  48. left common iliac artery
  49. thoracic segment of inferior vena cava
  50. splenic artery
  51. superior mesenteric artery
  52. right common iliac vein
  53. intrahepatic segment of inferior vena cava
  54. celiac trunk
  55. right renal artery
  56. accessory left renal artery (variant)
  57. right hepatic vein
  58. left gastro-epiploic (gastro-omental) artery
  59. left renal vein
  60. right renal vein
  61. internal iliac artery
  62. obliterated umbilical artery
  63. left ventricle
  64. coronary sinus
  65. infrarenal segment of inferior vena cava
  66. left common iliac vein
  67. left renal artery
  68. iliolumbar artery
  69. left atrium
  70. anterior division of internal iliac artery
  71. splenic vein
  72. descending thoracic aorta
  73. posterior division of internal iliac artery
  74. azygos vein
  75. internal pudendal artery
  76. superior rectal artery
  77. superior gluteal artery
  78. posterior intercostal artery
  79. inferior rectal artery
  80. internal pudendal artery in pudendal canal
  81. inferior gluteal artery (off posterior division of IIA, variant)
  82. posterior intercostal artery

Normal CTA (without labels)

CT

The same normal abdominopelvic CT angiogram without labels for reference.

Case Discussion

The labeled structures are (excluding the correct side):

  1. superior epigastric artery
  2. inferior epigastric artery
  3. internal thoracic (mammary) artery
  4. right gastro-epiploic (gastro-omental) artery
  5. inferior epigastric artery
  6. right ventricle
  7. middle colic artery (shared trunk with RCA, variant)
  8. common femoral artery
  9. middle segment of right coronary artery
  10. middle hepatic vein
  11. superior mesenteric vein
  12. superficial circumflex iliac artery
  13. jejunal artery (one of several)
  14. ileal artery (one of several)
  15. deep circumflex iliac artery
  16. superficial femoral artery
  17. left portal vein
  18. right gastric artery
  19. right colic artery (shared trunk with MCA, variant)
  20. common hepatic artery proper
  21. ileal artery (one of several)
  22. profunda femoris artery
  23. left hepatic vein
  24. right portal vein
  25. superior pancreaticoduodenal artery
  26. jejunal artery (one of several)
  27. distal segment of right coronary artery
  28. left hepatic artery
  29. gastroduodenal artery
  30. common hepatic artery
  31. right hepatic artery
  32. external iliac artery
  33. aberrant obturator artery (off inferior epigastric artery, variant)
  34. portal vein
  35. ileocolic artery
  36. inferior pancreaticoduodenal artery
  37. inferior mesenteric artery
  38. right common iliac artery
  39. muscular perforator branch of profunda femoris artery
  40. left colic artery
  41. sigmoid artery (one of several)
  42. right atrium
  43. abdominal aorta
  44. inferior mesenteric vein
  45. left gastric artery
  46. infrarenal segment of inferior vena cava
  47. lumbar artery
  48. left common iliac artery
  49. thoracic segment of inferior vena cava
  50. splenic artery
  51. superior mesenteric artery
  52. right common iliac vein
  53. intrahepatic segment of inferior vena cava
  54. celiac trunk
  55. right renal artery
  56. accessory left renal artery (variant)
  57. right hepatic vein
  58. left gastro-epiploic (gastro-omental) artery
  59. left renal vein
  60. right renal vein
  61. internal iliac artery
  62. obliterated umbilical artery
  63. left ventricle
  64. coronary sinus
  65. infrarenal segment of inferior vena cava
  66. left common iliac vein
  67. left renal artery
  68. iliolumbar artery
  69. left atrium
  70. anterior division of internal iliac artery
  71. splenic vein
  72. descending thoracic aorta
  73. posterior division of internal iliac artery
  74. azygos vein
  75. internal pudendal artery
  76. superior rectal artery
  77. superior gluteal artery
  78. posterior intercostal artery
  79. inferior rectal artery
  80. internal pudendal artery in pudendal canal
  81. inferior gluteal artery (off posterior division of IIA, variant)
  82. posterior intercostal artery

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