
Upper Part










1. segment VII of the liver

2. right hemidiaphragm
3. segment VIII of the liver
4. inferior vena cava

5. left hepatic vein
6. right hepatic vein

7. left hemidiaphragm
8. middle hepatic vein

9. gastric fundus

10. segment II of the liver
11. segment IVa of the liver
12. azygos vein


13. gastro-esophageal junction


14. spleen


15. xiphoid process of sternum


16. left portal vein

17. hemiazygos vein

18. segment III of the liver
19. left hepatic artery

20. right portal vein
21. splenic artery

22. segment IVb of the liver

23. segment V of the liver
24. splenic vein

25. common hepatic duct
26. segment VI of the liver

27. splenic flexure
28. left gastric artery
29. right adrenal gland

30. body of the stomach
31. right hepatic artery
32. tail of the pancreas

33. inferior vena cava
34. left adrenal gland

35. common hepatic artery
36. body of the pancreas
37. portal vein

38. falciform ligament
39. ligamentum teres
40. neck of the gallbladder

41. main pancreatic duct
42. body of the gallbladder
43. epiploic foramen (of Winslow)
44. right crus of the diaphragm

45. fundus of the gallbladder
46. superior pole of the left kidney

47. antrum of the stomach
48. common bile duct

49. gastroduodenal artery
50. first part of the duodenum

51. pylorus
52. celiac trunk
53. abdominal aorta

54. neck of the pancreas
55. renal pyramid

56. jejunum
57. hepatic flexure


58. intrapancreatic portion of the common bile duct
59. major calyx

60. right renal vein
61. descending colon
62. left crus of the diaphragm

63. head of the pancreas
64. uncinated process of the pancreas
65. fat within the renal sinus
66. right renal artery

67. superior mesenteric artery
68. left renal vein

69. duodenojejunal flexure
70. left renal artery
71. renal pelvis

72. superior mesenteric vein

73. rectus abdominis muscle

74. linea alba
75. fourth part of the duodenum

76. pancreaticoduodenal ampulla
77. lumbar vein

78. transverse colon

79. left ureter

80. second part of the duodenum

81. ascending colon

82. psoas major muscle

83. cisterna chyli

84. inferior pole of the right kidney

85. linea semilunaris

86. external oblique muscle

87. internal oblique muscle

88. tendinous intersection within the rectus abdominis muscle

89. transversus abdominis muscle

90. third part of the duodenum


91. inferior mesenteric vein
92. quadratus lumborum muscle

93. inferior mesenteric artery
Lower Part

1. ascending colon
2. superior mesenteric vein

3. superior mesenteric artery
4. gonadal vessels

5. linea semilunaris
6. abdominal aorta

7. linea alba
8. inferior vena cava

9. inferior mesenteric artery
10. inferior mesenteric vein

11. lumbar vein

12. jejunum

13. right colic vessels

14. right common iliac artery

15. abdominal portion of the ureter

16. left colic artery

17. umbilicus

18. ileocecal valve

19. left common iliac artery

20. quadratus lumborum muscle

21. transversus abdominis muscle

22. terminal ileum

23. internal oblique muscle

24. right common iliac vein

25. descending colon

26. erector spinae muscle group

27. cecum

28. external oblique muscle

29. left common iliac vein




30. vermiform appendix



31. psoas major muscle


32. iliacus muscle


33. ileum

34. left external iliac artery

35. right internal iliac artery

36. superior rectal vein

37. superior rectal artery

38. right internal iliac vein

39. gluteus medius muscle

40. left internal iliac vein

41. gluteus minimus muscle

42. pelvic portion of the ureter

43. right external iliac artery



44. left external iliac vein

45. superior gluteal vessels

46. rectus abdominis muscle

47. sigmoid colon

48. piriformis muscle


49. right external iliac vein

50. inferior epigastric vessels

51. ductus deferens
52. obturator artery

53. obturator vein

54. urachus
55. obliterated umbilical artery

56. anterior inferior iliac spine
57. inferior gluteal vessels



58. vesiculoureteric junction

59. seminal vesicle
60. mesorectal fat

61. mesorectal fascia

62. urinary bladder

63. internal pudendal vessels

64. retropubic space (of Retzius)
65. inferior vesicular vessels

66. internal obturator muscle

67. fat within the inguinal canal

68. iliopsoas muscle
69. levator ani muscle

70. rectus femoris muscle

71. tensor fascia lata muscle
72. pectineus muscle

73. sartorius muscle
74. rectum

75. obturator canal
76. gluteus maximus muscle

77. prostate gland
78. inferior rectal artery

79. spermatic cord
80. ischioanal fossa

81. right common femoral vein
82. iliopsoas tendon
83. sciatic nerve

84. suspensory ligament of the penis
85. left common femoral artery
86. external obturator muscle
Table of Contents
Resource
- Hacking C, CT abdomen/pelvis (upper) axial – labeling questions. Case study, Radiopaedia.org (Accessed on 14 Jul 2025) https://doi.org/10.53347/rID-64044
- Hacking C, CT abdomen/pelvis (lower) axial – labeling questions. Case study, Radiopaedia.org (Accessed on 14 Jul 2025) https://doi.org/10.53347/rID-64315

