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Cervical Fascia & Posterior Triangle (Anatomy of the Neck)

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Cervical Fascia & Posterior Triangle (Anatomy of the Neck)

  1. 1. Cervical Fascia Dr. Sherif Fahmy
  2. 2. Superficial Fascia (Page 2) It is a thin layer of fascia that contains: 1- Platysma muscle. 2- Superficial veins. 3- Cutaneous nerves. 4- Superficial lymph nodes. Dr. Sherif Fahmy
  3. 3. Platysma Muscle Dr. Sherif Fahmy
  4. 4. Dr. Sherif Fahmy
  5. 5. Platysma m. Dr. Sherif Fahmy
  6. 6. Dr. Sherif Fahmy
  7. 7. Superficial Veins Dr. Sherif Fahmy
  8. 8. Dr. Sherif Fahmy
  9. 9. Cutaneous Nerves Dr. Sherif Fahmy
  10. 10. Great auricular n. Lesser occipital n. Transverse cutaneous n. of neck Supra-clavicular n. Cutaneous Nerves Dr. Sherif Fahmy
  11. 11. Superficial Cervical Lymph Nodes Dr. Sherif Fahmy
  12. 12. Dr. Sherif Fahmy
  13. 13. Deep Cervical Fascia (Page 4) Dr. Sherif Fahmy
  14. 14. 1- Investing Layer of Deep Fascia Dr. Sherif Fahmy
  15. 15. Dr. Sherif Fahmy
  16. 16. Platysma m. Deep investing fascia Dr. Sherif Fahmy
  17. 17. Attachments of Investing Deep Fascia 1-Upper: To symphesis menti, lower border of mandible, mastoid process, Superior nuchal line and external occipital protuberance. It splits around parotid and submandibular glands. 2-Lower: Superasternal notch, clavicle, acromion and spine. It splits above suprasternal notch which contains lower parts of anterior jugular veins, jugular arch, sternal head of sternomastoid muscle and some lymph nodes. 3-Posterior: Ligamentum nuchae and spine of C7. 4-Anterior: Symphesis menti, Body of hyoid and suprasternal notch. Dr. Sherif Fahmy
  18. 18. It forms the roof of Anterior & Posterior Triangles of the Neck Dr. Sherif Fahmy
  19. 19. Structures That pierce the deep investing fascia 1- External jugular vein (one inch above the clavicle). 2- Supraclavicular nerves )just above the clavicle). Dr. Sherif Fahmy
  20. 20. External jugular vein Supra- clavicular n. Deep investing fascia of neck Dr. Sherif Fahmy Dr. Sherif Fahmy
  21. 21. Structures which are embedded in deep investing fascaia 1- Spinal accessory nerve. 2- Inferior belly of omohyoid muscle. Dr. Sherif Fahmy
  22. 22. Spinal accessory n. Inferior belly of omohyoid m. Superior belly of omohyoid m. Hyoid bone Deep investing fascia of neck Dr. Sherif Fahmy Dr. Sherif Fahmy
  23. 23. Other Deep Fascia 2- Prevertebral fascia. 3- Pretracheal fascia (will be described with thyroid gland). 4- Carotid sheath. (will be described with carotid arteries). 5- Buccopharyngeal and pharyngeobasilar fasciae with pharynx. Dr. Sherif Fahmy
  24. 24. Prevertebral Muscles & Fascia Dr. Sherif Fahmy
  25. 25. Dr. Sherif Fahmy
  26. 26. POSTERIOR TRIANGLE OF NECK (Page 9) Dr. Sherif Fahmy Dr. Sherif Fahmy
  27. 27. Boundaries Dr. Sherif Fahmy Dr. Sherif Fahmy
  28. 28. Sternomastoid m. Trapezius m. Superior nuchal line Clavicle Dr. Sherif Fahmy Dr. Sherif Fahmy
  29. 29. Roof Dr. Sherif Fahmy
  30. 30. Platysma m. Deep investing fascia Dr. Sherif Fahmy Dr. Sherif Fahmy
  31. 31. Spinal accessory n. External jugular vein Supra- clavicular n. Inferior belly of omohyoid m. Superior belly of omohyoid m. Hyoid bone Deep investing fascia of neck Dr. Sherif Fahmy Dr. Sherif Fahmy
  32. 32. Floor Dr. Sherif Fahmy
  33. 33. Scalenus medius m. Levator scapulae m. Semispinalis capitis m. Splenius capitis m. Dr. Sherif Fahmy Dr. Sherif Fahmy
  34. 34. Sterno-mastoid m. (cut) Scalenus medius m. Levator scapulae m. Splenius m. Dr. Sherif Fahmy Dr. Sherif Fahmy
  35. 35. Contents Dr. Sherif Fahmy
  36. 36. A- Muscle •Inferior belly of omohyoid muscle. Dr. Sherif Fahmy
  37. 37. Sterno-mastoid m. (cut) Inferior belly of omo- hyoid m. Hyoid bone Superior belly of omohyoid m. Dr. Sherif Fahmy Dr. Sherif Fahmy
  38. 38. Inferior belly of omohyoid m. Dr. Sherif Fahmy Dr. Sherif Fahmy
  39. 39. B- Nerves • 1- Spinal accessory nerve. • 2- Branches of cervical plexus. • 3- Trunks of brachial plexus. Dr. Sherif Fahmy
  40. 40. Spinal accessory n. Great auricular n. Lesser occipital n. Transverse cutaneous n. of neck Supra-clavicular n. Trunks of brachial plexus Dr. Sherif Fahmy Dr. Sherif Fahmy
  41. 41. Spinal accessory n. Great auricular n. Lesser occipital n. Transverse cutaneous n. of neck Supra-clavicular n. Dr. Sherif Fahmy Dr. Sherif Fahmy
  42. 42. C- Arteries • 1- Occipital artery. • 2- Third part of subclavian artery. • 3- Suprascapular artery. • 4- Transverse cervical artery. Dr. Sherif Fahmy Dr. Sherif Fahmy
  43. 43. Occipital art. Transverse cervical art. Suprascapular art. 3rd part of subclavian art. Dr. Sherif Fahmy Dr. Sherif Fahmy
  44. 44. 1st part of subclavian art. Thyrocervical trunk 3rd part of subclavian art. Supr- ascapular art. Transverse cervical art. Scalenus anterior m. Dr. Sherif Fahmy Dr. Sherif Fahmy
  45. 45. D- Veins •1- External jugular vein. •2- Anterior jugular vein. •3- Transverse cervical vein. •4- Suprascpular vein. •5- Subclavian vein. Dr. Sherif Fahmy
  46. 46. External jugular vein Anterior jugular vein Transverse cervical vein Suprascapular vein Subclavian vein Dr. Sherif Fahmy
  47. 47. E- Lymph nodes • 1- On posterior border of sterno- mastoid m. • 2- On anterior border of trapezius m. • 3- Along spinal accessory n. • 4- Along transverse cervical vessels. Dr. Sherif Fahmy
  48. 48. Transverse cervical art. Deep lymph nodes Dr. Sherif Fahmy Dr. Sherif Fahmy
  49. 49. Applied Anatomy •1- Injury of external jugular may lead to air embolism. •2- Injury of spinal accessory leads to shoulder drop. Dr. Sherif Fahmy
  50. 50. External Jugular Vein (Page 14) Dr. Sherif Fahmy
  51. 51. External jugular vein Anterior jugular vein Transverse cervical vein Suprascapular vein Subclavian vein Dr. Sherif Fahmy
  52. 52. Dr. Sherif Fahmy

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