CT cervical spine axial - labeling questions

Case contributed by Craig Hacking
Diagnosis not applicable

CT C spine (with labels)

Annotated image

The labeled structures are (excluding the correct side):

  1. medial pterygoid process
  2. occipitomastoid suture
  3. maxillary sinus
  4. lateral pterygoid process
  5. coronoid process of mandible
  6. condylar process of mandible
  7. basion
  8. nasopharynx
  9. posterolateral pharyngeal recess (fossa of Rosenmuller)
  10. styloid process
  11. mastoid air cells
  12. atlanto-occipitial joint
  13. opisthion
  14. median atlanto-axial joint
  15. occipital condyle
  16. foramen magnum
  17. masseter muscle
  18. mastoid process of temporal bone
  19. alveolar process of maxilla
  20. mandibular foramen
  21. tubercle of anterior arch of C1
  22. anterior arch of C1
  23. transverse foramen of C1
  24. transverse process of C1
  25. tubercle of lateral mass of C1
  26. odontoid process (peg or dens) of C2
  27. tubercle of posterior arch of C1
  28. lateral mass of C1
  29. posterior arch of C1
  30. oropharynx
  31. lateral atlanto-axial joint
  32. trapezius muscle
  33. ramus of mandible
  34. lateral mass of C2
  35. vertebral body of C2
  36. nutrient foramen in lamina of C2
  37. right mandibular seond molar tooth (47)
  38. lamina of C2
  39. C2/3 intervertebral foramen
  40. C2/3 intervertebral disc
  41. angle of mandible
  42. anterior tubercle of transverse process of C3
  43. inferior articular process of C3
  44. transverse foramen of C3
  45. pars interarticularis of C3
  46. genial tubercle of mandible
  47. posterior tubercle of transverse process of C3
  48. body of mandible
  49. C3/4 intervertebral foramen
  50. epiglottis
  51. superior articular process of C4
  52. vallecula
  53. inferior articular process of C3
  54. lesser horn of hyoid bone
  55. body of hyoid bone
  56. pedicle of C4
  57. transverse foramen of C4
  58. vertebral body of C4
  59. C4/5 facet (zygoapophyseal) joint
  60. (bifid) spinous process of C4
  61. aryepiglottic fold
  62. pyriform fossa
  63. platysma muscle
  64. sternocelidomastoid muscle
  65. (calcified) greater cornu of thyroid cartilage
  66. (uncalcified) lamina of thyroid cartilage
  67. uncovertebral joint
  68. (calcified) cricoid cartilage
  69. posterior tubercle of transverse process of C6
  70. C6/7 facet (zygoapophyseal) joint
  71. lobe of thryoid gland
  72. uncinate process of C7
  73. tracheo-esophageal groove
  74. transverse process of C7
  75. vertebral body of C7
  76. cervical esophagus
  77. cervical trachea
  78. spinal canal
  79. basivertebral vein
  80. spinous process of C7
  81. first rib
  82. clavicle
  83. transverse process of T1
  84. costotransverse joint
  85. costovertebral joint

CT C spine (without labels)

ct

The same normal C spine CT without labels for reference.

Case Discussion

The labeled structures are (excluding the correct side):

  1. medial pterygoid process
  2. occipitomastoid suture
  3. maxillary sinus
  4. lateral pterygoid process
  5. coronoid process of mandible
  6. condylar process of mandible
  7. basion
  8. nasopharynx
  9. posterolateral pharyngeal recess (fossa of Rosenmuller)
  10. styloid process
  11. mastoid air cells
  12. atlanto-occipitial joint
  13. opisthion
  14. median atlanto-axial joint
  15. occipital condyle
  16. foramen magnum
  17. masseter muscle
  18. mastoid process of temporal bone
  19. alveolar process of maxilla
  20. mandibular foramen
  21. tubercle of anterior arch of C1
  22. anterior arch of C1
  23. transverse foramen of C1
  24. transverse process of C1
  25. tubercle of lateral mass of C1
  26. odontoid process (peg or dens) of C2
  27. tubercle of posterior arch of C1
  28. lateral mass of C1
  29. posterior arch of C1
  30. oropharynx
  31. lateral atlanto-axial joint
  32. trapezius muscle
  33. ramus of mandible
  34. lateral mass of C2
  35. vertebral body of C2
  36. nutrient foramen in lamina of C2
  37. right mandibular seond molar tooth (47)
  38. lamina of C2
  39. C2/3 intervertebral foramen
  40. C2/3 intervertebral disc
  41. angle of mandible
  42. anterior tubercle of transverse process of C3
  43. inferior articular process of C3
  44. transverse foramen of C3
  45. pars interarticularis of C3
  46. genial tubercle of mandible
  47. posterior tubercle of transverse process of C3
  48. body of mandible
  49. C3/4 intervertebral foramen
  50. epiglottis
  51. superior articular process of C4
  52. vallecula
  53. inferior articular process of C3
  54. lesser horn of hyoid bone
  55. body of hyoid bone
  56. pedicle of C4
  57. transverse foramen of C4
  58. vertebral body of C4
  59. C4/5 facet (zygoapophyseal) joint
  60. (bifid) spinous process of C4
  61. aryepiglottic fold
  62. pyriform fossa
  63. platysma muscle
  64. sternocelidomastoid muscle
  65. (calcified) greater cornu of thyroid cartilage
  66. (uncalcified) lamina of thyroid cartilage
  67. uncovertebral joint
  68. (calcified) cricoid cartilage
  69. posterior tubercle of transverse process of C6
  70. C6/7 facet (zygoapophyseal) joint
  71. lobe of thryoid gland
  72. uncinate process of C7
  73. tracheo-esophageal groove
  74. transverse process of C7
  75. vertebral body of C7
  76. cervical esophagus
  77. cervical trachea
  78. spinal canal
  79. basivertebral vein
  80. spinous process of C7
  81. first rib
  82. clavicle
  83. transverse process of T1
  84. costotransverse joint
  85. costovertebral joint

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